Dear Microsoft, I appreciate any help to fix the inability of my brand new HP G42 Notebook with Windows 7 to connect to my home wireless network. Whilst I am able to browse the net connecting by cable, for the past 4 days, and an estimated total over 20 manhours, I have tried several suggested solution ound thus far online to resolve this inconvenience but to no avail. Windows 7 detects my wireless network (OPEN WEP Security) but simply cannot connect. Meanwhile, my husband's Dell Latitde 630 w/ Windows XP Pro and dauther's Mac Book are running just fine.
Thanks in advance for your assistance. LM. Programs you are having problems with. Error messages. Recent changes you made to your computer. What you have already tried to fix the problem.
Hi As a first step, I will move temporarily the computer to a spot near the Wireless Router to compensate for weak, and or blocked signal that might be part of the problem in the further away working spot. In the computer itself.
Check the Device Manager for valid Wireless card entry. If there is No valid entry, delete any Bogus Entry, and re-install the Wireless card's Drivers. Check the Network connections to make sure that you have a Wireless Network Connection Icon/Entry, and that the Properties of the Icon (right click on the Icon) are correctly configured with TCP/IPv4 protocol in the Network Connections Properties.
Make sure that if there is a vendor's Wireless Utility the utility is Not Running together with the Windows native Wireless utility. Make sure that No Firewall is preventing/blocking the Wireless components to get to the Network. If everything above is OK and it is not connecting to the Wireless router.
Log from any computer that is, or can be connected to Wireless Router with a Wire, disable the Wireless Security, and try to connect with No Wireless security. When working turn On the Wireless security, and move the computer back to its original location.
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Jack MVP-Networking. EZLAN.NET Jack MVP, Microsoft Windows Desktop Experience-Networking.
. User Guide 3Com Wireless 8760 Dual-radio 11a/b/g PoE Access Point 3CRWE876075 / WL-546 www.3Com.com Part Number 10015153 Rev.
AA Published June, 2006. Copyright © 2006 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation. Contents Introduction Product Features Security Performance and Reliability Virtual Access Point (VAP) Support WDS Bridging and Spanning Tree Protocol (STP) Support Manageability Wireless Network Standards 802.11g 802.11a Approved Channels Installing the Access Point Installation Requirements Power Requirements Safety Information Deciding Where to Place Equipment and Performing A Site Survey Before You Begin Connecting the Standard Antennas. Initial Configuration Networks with a DHCP Server Networks without a DHCP Server Using the 3Com Installation CD Launch the 3COM Wireless Infrastructure Device Manager (Widman) utility Launching the 3com Wireless Interface Device Manager First Time Only Using the Setup Wizard. Wi-Fi Protected Access (WPA) 4-56 Command Line Interface Using the Command Line Interface Accessing the CLI Console Connection Telnet Connection Entering Commands Keywords and Arguments Minimum Abbreviation Command Completion Getting Help on Commands Showing Commands Partial Keyword Lookup Negating the Effect of Commands Using Command History Understanding Command Modes Exec Commands.
ERMINOLOGY Access Point—An internetworking device that seamlessly connects wired and wireless networks. Ad Hoc—An ad hoc wireless LAN is a group of computers, each with wireless adapters, connected as an independent wireless LAN. Backbone—The core infrastructure of a network. The portion of the network that transports information from one central location to another central location where it is unloaded onto a local system. VAP—Virtual Access Point. An access point radio capable of operating as four separate access points.
VLAN—Virtual Local Area Network. A LAN consisting of groups of hosts that are on physically different segments but that communicate as though they were on the same segment. WEP—Wired Equivalent Privacy is based on the use of security keys and the popular RC4 encryption algorithm. NTRODUCTION The 3Com® Wireless 8760 Dual-radio 11a/b/g PoE Access Point offers a dual-mode architecture that supports 802.11g, 802.11a, and 802.11b wireless users on a single device.
This means you can mix and match radio bands to meet different coverage and bandwidth needs within the same area. 256 simultaneous users.
The access point supports two radios and external antennas including WDS bridging ability on both radios. ECURITY 3Com offers one of the most robust suite of standards-based security on the market today. To protect sensitive data broadcast over the wireless LAN, 3Com supports WPA and WPA2 security standards.
Product Features ERFORMANCE AND ELIABILITY 3Com wireless access point performance features ensure reliable and seamless connections for users wherever they roam: Automatic channel selection automatically finds the least loaded channel for interference-free communication. Auto network connect and dynamic rate shifting keep users connected through a wide variety of conditions by changing to the optimum connection speed as they move through the network. 1: I HAPTER NTRODUCTION ANAGEABILITY 3Com offers a wide range of standards-based management support, from SNMP to 3Com Network Supervisor and HP OpenView for seamless integration with your wired network. Wireless Infrastructure Device Manager lets you configure parameters, run diagnostics, backup and restore configurations, and monitor performance from anywhere on the network using an embedded web server browser.
For proper installation, select your country from the country selection list. To conform to FCC and other country restrictions your product may be limited in the channels that are available. If other channels are permitted in your country please visit the 3Com website for the latest software version.
1: I HAPTER NTRODUCTION. Standard category 5 straight (8-wire) Ethernet cable. The cable must be long enough to reach the power supply or the power-over-Ethernet LAN port. If you use the 3Com power supply, you need an additional Ethernet cable to connect the access point to the LAN. The access point complies with the IEEE 802.3af power-over-Ethernet standard.
It receives power over standard category 5 straight (8-wire) Ethernet cable. Installation requires the use of either the 3Com power supply provided or IEEE 802.3af compliant power supply equipment (output power rated 48 V dc @ 400 mA maximum). Deciding Where to Place Equipment and Performing A Site Survey CAUTION: The 3Com power supply input relies on a 16A rated building fuse or circuit protector for short circuit protection of the line to neutral conductors. CAUTION: It is the responsibility of the installer to ensure that the Power-over-Ethernet (POE) power supply is properly connected. CCESS OINT Configuring a wireless LAN can be as easy as placing a 3Com Wireless Access Point in a central area and making the necessary connections to the AP and the clients. However, installing multiple Access Points may require more planning. Connecting the Standard Antennas Figure 1 Front and Rear Panel Description Kensington Lock Slot LEDs POE Port Console Port ONNECTING THE TANDARD NTENNAS The Access Point 8760 is supplied with standard detachable antennas.
These should be attached before the access point is installed. If using an alternate antenna, see “Selecting and Connecting a Different Antenna Model”. 5 straight (8-wire) Ethernet cable. There are two ways to supply power to the access point: Use the 3Com Integrated Power-over-Ethernet power supply. In this case, you need to supply a second Ethernet cable to connect to the wired LAN. Connecting Power If you supply your own Ethernet cable for connecting power, be sure that it is standard category 5 straight-through (8-wire) cable that has not been altered in any way. Use of nonstandard cable could damage the access point.
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Figure 3 Connecting Power. If your LAN equipment complies with the IEEE 802.3af power-over-Ethernet standard, you can connect the access point directly to a LAN port. For example, the illustration above right shows a connection through a 3Com Ethernet Power Supply to a 3Com Switch. Checking the LEDs HECKING THE When power is connected, the access point LEDs light. The illustration and the following table describe the LEDs and their functions. Table 1 System LEDs Color Indicates Power Green The access point is powered up and operating normally.
2: I HAPTER NSTALLING THE CCESS OINT EILING LECTRICAL OUNTING To mount the access point to a wall, ceiling, or electrical box: Remove the access point from the mounting bracket. Screw the mounting bracket to a wall, ceiling, or electrical box (NEMA enclosure): If mounting to a solid surface wall or ceiling, use two of the sheet metal screws and two of the wall anchors (included). Wall, Ceiling, or Electrical Box Mounting Figure 4 Routing a Cable Routing a cable Figure 5 Mounting Bracket Installing the mounting bracket Connect the Ethernet cable to the port on the back of the access point. The standard detachable antennas supplied with the Access Point are suitable for a broad variety of environments. If you require a different type of antenna for the Access Point, several options are available by model number from the 3Com Web site (www.3Com.com). Selecting and Connecting a Different Antenna Model Figure 7 Connecting Antennae Side Side Position the antenna so that there are minimal obstacles between it and any client with which it will communicate. While maintaining a direct line of sight between the antenna and a client is not strictly necessary, such an arrangement helps to ensure a strong signal.
As an optional FTP Server. To install a tool from the CD: Power up the computer and put the 3Com CD in the CD-ROM drive. The setup menu should appear when the CD autostarts.
If no menu appears, you can run the setup.exe startup program from the Windows Start menu. It takes between one and two minutes for the Access Point to determine if there is a DHCP server on the network. Use the 3Com Wireless Infrastructure Device Manager (Widman) included on the 3Com Installation CD to locate the Access Point on the network and view its IP address. Login name: admin Password: password If the Configuration Management System does not start, the Access Point is on a different subnet than the computer. Install and start the 3Com Wireless Infrastructure Device Manager to discover the Access Point’s IP address. Figure 8 Wireless Interface Device Manager Click on the Properties button to see the following screen Figure 9 Wireless Interface Device Manager - Properties.
Unless it detects a DHCP server on the network, the access point uses Auto IP to assign an IP address of the form 169.254.2.1. Use the 3Com Wireless Infrastructure Device Manager to locate 3Com Wireless LAN devices and launch their configurations. When installing the device manager, make sure the computer is connected to the same network as the device to be configured. Using the Setup Wizard NOTE: If you changed the default IP address via the command line interface above, use that address instead of the one shown here. Logging In – Enter the username “admin,” and password “password,” then click LOGIN. For information on configuring a user name and password, see page 4-22.
3: I HAPTER NITIAL ONFIGURATION The home page displays the Main Menu. Figure 11 Home Page Launching the Setup Wizard – To perform initial configuration, click Setup Wizard on the home page, select the VAP you wish to configure, then click on the Next button to start the process. Using the Setup Wizard Service Set ID – Enter the service set identifier in the SSID box which all wireless clients must use to associate with the access point. The SSID is case sensitive and can consist of up to 32 alphanumeric characters. Figure 13 Setup Wizard - Step 1 Radio Channel –.
3: I HAPTER NITIAL ONFIGURATION Figure 14 Setup Wizard - Step 2 802.11a Turbo Mode – If you select Enable, the access point will operate in turbo mode with a data rate of up to 108 Mbps. Normal mode support 13 channels, Turbo mode supports only 5 channels. Using the Setup Wizard IP Configuration – Either enable or disable Dynamic Host Configuration Protocol (DHCP) for automatic IP configuration. If you disable DHCP, then manually enter the IP address and subnet mask. If a management station exists on another network segment, then you must enter the IP address for a gateway that can route traffic between these segments. 3: I HAPTER NITIAL ONFIGURATION Figure 16 Setup Wizard - Step 4 Authentication Type – Use “Open System” to allow open access to all wireless clients without performing authentication, or “Shared Key” to perform authentication based on a shared key that has been distributed to all stations.
(Default: Open System) WEP –. Using the Setup Wizard Click Finish. Click the OK button to complete the wizard. Figure 17 Setup Wizard - Completed 3-11. 3: I HAPTER NITIAL ONFIGURATION 3-12. For a new access point installation, the default WLAN Service Area (ESSID) is 3Com and no security is set. Unless it detects a DHCP server on the network, the access point uses Auto IP to assign an IP address of the form 169.254.2.1.
4: S HAPTER YSTEM ONFIGURATION Figure 18 Advanced Setup The information in this chapter is organized to reflect the structure of the web screens for easy reference. However, it is recommended that you configure a user name and password as the first step under Administration to control management access to this device (page 4-22). Advanced Setup Menu Description Page SNMP Configures SNMP settings 4-18 Administration Configures user name and password for management access; 4-22 upgrades software from local file, FTP or TFTP server; resets configuration settings to factory defaults; and resets the access point WDS/STP Settings Configures WDS bridging and Spanning Tree Protocol features 4-27.
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4: S HAPTER YSTEM ONFIGURATION YSTEM DENTIFICATION The system name for the access point can be left at its default setting. However, modifying this parameter can help you to more easily distinguish different devices in your network.
Figure 19 System Identification System Name –. IP address that is reachable through your network. By default, the access point will be automatically configured with IP settings from a Dynamic Host Configuration Protocol (DHCP) server. Use 3Com Wireless Infrastructure Device Manager to discover or set the initial IP address of the unit.
4: S HAPTER YSTEM ONFIGURATION DHCP Client (Enable) – Select this option to obtain the IP settings for the access point from a DHCP (Dynamic Host Configuration Protocol) server. The IP address, subnet mask, default gateway, and Domain Name Server (DNS) address are dynamically assigned to the access point by the network DHCP server. TCP / IP Settings Figure 21 Smart Monitor By enabling Smart Monitor (known as Link Integrity in the CLI) and setting a target IP address, the AP will periodically (set by the ping interval) check to see if the target address responds to pings. If it fails to respond to a ping after the configured number of retries, it will disable both radios so that no clients can connect to the AP.
4: S HAPTER YSTEM ONFIGURATION RADIUS Remote Authentication Dial-in User Service (RADIUS) is an authentication protocol that uses software running on a central server to control access to RADIUS-aware devices on the network. An authentication server contains a database of user credentials for each user that requires access to the network. Authentication Port: The UDP port number used by the RADIUS server for authentication messages.
(Range: 1024-65535; Default: 1812) Key: A shared text string used to encrypt messages between the access point and the RADIUS server. Be sure that the same text string is specified on the RADIUS server. 4: S HAPTER YSTEM ONFIGURATION use both MAC address and 802.1X authentication, with client station MAC authentication occurring prior to IEEE 802.1X authentication. However, it is better to choose one or the other, as appropriate. IEEE 802.1X is a standard framework for network access control that uses a central RADIUS server for user authentication.
Authentication Figure 23 Authentication MAC Authentication – You can configure a list of the MAC addresses for wireless clients that are authorized to access the network. This provides a basic level of authentication for wireless clients attempting to gain access to the network.
A database of authorized MAC addresses can be stored locally on the access point or remotely on a central RADIUS server. 4: S HAPTER YSTEM ONFIGURATION Local MAC: The MAC address of the associating station is compared against the local database stored on the access point. Use the Local MAC Authentication section of this web page to set up the local database, and configure all access points in the wireless network service area with the same MAC address database.
Authentication When 802.1X is enabled, the broadcast and session key rotation intervals can also be configured. Broadcast Key Refresh Rate: Sets the interval at which the broadcast keys are refreshed for stations using 802.1X dynamic keying. (Range: 0-1440 minutes; Default: 0 means disabled) Session Key Refresh Rate: The interval at which the access point refreshes unicast session keys for associated clients. 4: S HAPTER YSTEM ONFIGURATION ILTER ONTROL The access point can employ network traffic frame filtering to control access to network resources and increase security. You can prevent communications between wireless clients and prevent access point management from wireless clients. Also, you can block specific Ethernet traffic from being forwarded by the access point. Filter Control AP Management Filter – Controls management access to the access point from wireless clients.
Management interfaces include the web, Telnet, or SNMP. (Default: Disabled) Disabled: Allows management access from wireless clients. Enabled: Blocks management access from wireless clients. Uplink Port MAC Address Filtering Status –. 4: S HAPTER YSTEM ONFIGURATION VLAN The access point can employ VLAN tagging support to control access to network resources and increase security. VLANs separate traffic passing between the access point, associated clients, and the wired network. There can be a VLAN assigned to each associated client, a default VLAN for each VAP (Virtual Access Point) interface, and a management VLAN for the access point.
Filter Control A VLAN ID (1-4094) can be assigned to a client after successful IEEE 802.1X authentication. The client VLAN IDs must be configured on the RADIUS server for each user authorized to access the network.
If a client does not have a configured VLAN ID on the RADIUS server, the access point assigns the client to the configured default VLAN ID for the VAP interface. 4: S HAPTER YSTEM ONFIGURATION SNMP Simple Network Management Protocol (SNMP) is a communication protocol designed specifically for managing devices on a network. Equipment commonly managed with SNMP includes switches, routers and host computers. SNMP is typically used to configure these devices for proper operation in a network environment, as well as to monitor them to evaluate performance or detect potential problems. SNMP Figure 26 SNMP SNMP – Enables or disables SNMP management access and also enables the access point to send SNMP traps (notifications). (Default: Disable) Location – A text string that describes the system location.
(Maximum length: 255 characters) Contact – A text string that describes the system contact. (Maximum length: 255 characters) Community Name (Read Only) –. 4: S HAPTER YSTEM ONFIGURATION Trap Destination Community Name – The community string sent with the notification operation. (Maximum length: 23 characters, case sensitive; Default: public) Engine ID – Sets the engine identifier for the SNMPv3 agent that resides on the access point. SNMP dot11InterfaceAFail - The 802.11a or 802.11g interface has failed. Dot1xMacAddrAuthSuccess - A client station has successfully authenticated its MAC address with the RADIUS server.
Dot1xMacAddrAuthFail - A client station has failed MAC address authentication with the RADIUS server. Dot1xAuthNotInitiated - A client station did not initiate 802.1X authentication. Dot1xAuthSuccess - A 802.1X client station has been successfully authenticated by the RADIUS server.
4: S HAPTER YSTEM ONFIGURATION Passphrase – The password or key associated with the authentication and privacy settings. A minimum of eight plain text characters is required. Action – Click the Add button to add a new user to the list. Click the edit button to change details of an existing user. Administration Figure 29 Administration Username – The name of the user.
The default name is “admin.” (Length: 3-16 characters, case sensitive) New Password – The password for management access. (Length: 3-16 characters, case sensitive) Confirm New Password – Enter the password again for verification. SSH S ELNET AND ETTINGS. Bhula dena mujhe female version mp3 ringtone download. 4: S HAPTER YSTEM ONFIGURATION Telnet Server: Enables or disables the Telnet server.
(Default: Disabled) SSH Server: Enables or disables the SSH server. (Default: Enabled) SSH Port Number: Sets the UDP port for the SSH server. (Range: 1-65535; Default: 22) PGRADING IRMWARE You can upgrade new access point software from a local file on the management. Administration Figure 31 Firmware Upgrade Before upgrading new software, verify that the access point is connected to the network and has been configured with a compatible IP address and subnet mask. If you need to download from an FTP or TFTP server, take the following additional steps: Obtain the IP address of the FTP or TFTP server where the access point software is stored. New firmware file: Specifies the name of the code file on the server. The device will only accept firmware files named “3Com-img.bin”.
Firmware Upgrade Remote – Downloads an operation code image file from a specified remote FTP or TFTP server. After filling in the following fields, click Start Upgrade to proceed. WDS and Spanning Tree Settings NOTE: If you have upgraded system software, then you must reboot the access point to implement the new operation code. New software that is incompatible with the current configuration automatically restores the access point to default values when first activated after a reboot. 4: S HAPTER YSTEM ONFIGURATION Figure 32 WDS and Spanning Tree Settings 4-28.
WDS and Spanning Tree Settings WDS Bridge – Up to six WDS bridge or repeater links (MAC addresses) per radio interface can be specified for each unit in the wireless bridge network. One unit only must be configured as the “root bridge” in the wireless network. The root bridge is the unit connected to the main core of the wired LAN. 4: S HAPTER YSTEM ONFIGURATION Figure 33 Spanning Tree Protocol Spanning Tree Protocol – STP uses a distributed algorithm to select a bridging device (STP-compliant switch, bridge or router) that serves as the root of the spanning tree network. It selects a root port on each bridging device (except for the root device) which incurs the lowest path cost when forwarding a packet 4-30. WDS and Spanning Tree Settings from that device to the root device. Then it selects a designated bridging device from each LAN which incurs the lowest path cost when forwarding a packet from that LAN to the root device.
All ports connected to designated bridging devices are assigned as designated ports. 4: S HAPTER YSTEM ONFIGURATION Bridge Forwarding Delay – The maximum time (in seconds) this device waits before changing states (i.e., discarding to learning to forwarding). This delay is required because every device must receive information about topology changes before it starts to forward frames. In addition, each port needs time to listen for conflicting information that would make it return to a discarding state.
System Log YSTEM The access point can be configured to send event and error messages to a System Log Server. The system clock can also be synchronized with a time server, so that all the messages sent to the Syslog server are stamped with the correct time and date. 4: S HAPTER YSTEM ONFIGURATION Enter Time Zone – Sets the desired time zone + or - GMT. Enable Daylight Saving – Adjusts the clock for summertime and wintertime.
The system allows you to limit the messages that are logged by specifying a minimum severity level. Radio Interface Secondary Server: The IP address of a secondary SNTP or NTP time server. The access point first attempts to update the time from the primary server; if this fails it attempts an update from the secondary server. NOTE: The access point also allows you to disable SNTP and set the system clock manually.
NOTE: The 8760 Access Point ships from the factory enabled only for channels allowed in the US/Canada. If you live in an area where additional channels are allowed, go to the 3Com web site (and download the latest software that will allow additional channels in your country. Radio Interface SSID – The name of the basic service set provided by a VAP interface. Clients that want to connect to the network through the access point must set their SSID to the same as that of an access point VAP interface. (Default: 3Com1 to 3Com4 for 802.11a, 3Com5 to 3Com8 for 802.11b/g. 4: S HAPTER YSTEM ONFIGURATION ONFIGURING OMMON ADIO ETTINGS To configure common radio settings, select the Radio Settings page, and scroll down to below the VAP radio settings.
Figure 36 Radio Settings A Country Code – The current country code setting. This setting restricts operation of the access point to radio channels and transmit power levels permitted for wireless networks in the specified country. Selecting the correct antenna ID ensures that the access point's radio transmissions are within regulatory power limits for the country of operation. (Default: 3Com Integrated Antenna) 4-39.
(Default: Diversity) Both: The radio uses both antennas in a diversity system. Select this method when the Antenna ID is set to “3Com Integrated Antenna” to use the access point's integrated antennas. Right: The radio only uses the antenna on the right side (the side closest to the access point LEDs).
Radio Interface Delivery Traffic Indication Message (DTIM) – The rate at which stations in sleep mode must wake up to receive broadcast/multicast transmissions. The DTIM interval indicates how often the MAC layer forwards broadcast/multicast traffic, which is necessary to wake up stations that are using Power Save mode.
4: S HAPTER YSTEM ONFIGURATION 802.11 NTERFACE The IEEE 802.11g standard operates within the 2.4 GHz band at up to 54 Mbps. Also note that because the IEEE 802.11g standard is an extension of the IEEE 802.11b standard, it allows clients with 802.11b wireless network cards to associate to an 802.11g access point. Radio Interface Figure 37 Radio Settings B/G Client Access Mode – Selects the operating mode for the 802.11g wireless interface.
(Default: 802.11b+g) 802.11b+g: Both 802.11b and 802.11g clients can communicate with the access point (up to 54 Mbps). 802.11b only: Both 802.11b and 802.11g clients can communicate with the access point, but 802.11g clients can only transfer data at 802.11b standard rates (up to 11 Mbps). 4: S HAPTER YSTEM ONFIGURATION Super Mode – The Atheros proprietary Super G performance enhancements are supported by the access point. These enhancements include bursting, compression, fast frames and dynamic turbo. Maximum throughput ranges between 40 to 60 Mbps for connections to Atheros-compatible clients. (Default: Disabled) Radio Channel –. Radio Interface The access point implements QoS using the Wi-Fi Multimedia (WMM) standard.
Using WMM, the access point is able to prioritize traffic and optimize performance when multiple applications compete for wireless network bandwidth at the same time. WMM employs techniques that are a subset of the developing IEEE 802.11e QoS standard and it enables the access point to inter operate with both WMMenabled clients and other devices that may lack any WMM functionality. 4: S HAPTER YSTEM ONFIGURATION resolution mechanism first selects data with the highest priority to be granted a transmit opportunity.
Then the same collision resolution mechanism is used externally to determine which device has access to the wireless medium. For each AC queue, the collision resolution mechanism is dependent on two timing parameters: AIFSN (Arbitration Inter-Frame Space Number), a number used to calculate the minimum time between data frames. Radio Interface Figure 39 WMM Configuration WMM – Sets the WMM operational mode on the access point. When enabled, the parameters for each AC queue will be employed on the access point and QoS capabilities are advertised to WMM-enabled clients. (Default: Support) Disable: WMM is disabled. 4: S HAPTER YSTEM ONFIGURATION initial wait time is a random value between zero and the CWMin value. Specify the CWMin value in the range 0-15 microseconds.
Note that the CWMin value must be equal or less than the CWMax value. LogCWMax (Maximum Contention Window) –. Security ECURITY The access point is configured by default as an “open system,” which broadcasts a beacon signal including the configured SSID. Wireless clients with an SSID setting of “any” can read the SSID from the beacon and automatically set their SSID to allow immediate connection to the nearest access point.
I faced this same problem a few days ago. I have both the Ethernet/LAN card and USB cable modem connections enabled as two Network Connections; a few days back I removed the Ethernet cable and a few days later when I connected it back on, the Ethernet connection had disappeared and I had the same exact problem reinstalling the Ethernet card till I solved it as follows: Tried reinstalling the Ethernet card driver which didn't work, so I moved the Ethernet card to another PCI slot. And it still was not recognized so I next disabled the BIOS setting that says Plug & Play Operative System (should say Disabled or No). Thinking the BIOS would recognize the card and the OS should follow suit.
And that did it! With an onboard LAN chip you can try uninstalling it from the Device Manager Network adapter (right click Uninstall), reboot the computer access the BIOS and change the setting to No Plug and Play OS.
If it doesn't work, reinstall the driver, and if it still doesn't work, reset the MAC or Physical Address in Device Manager Network Adapter right click - Properties Advanced Options select Locally administered address on the right it should read 'Absent' select the 'Value' and type in A1B2C3D4E5F6 (any 12 digit combination of letter followed by number works) to reset the connection and hopefully acquire Internet access. If it doesn't work, the Wireless card may be interfering so remove it from the computer and try the previous instructions again. And install the Wireless adapter only after the onboard network adapter connects to the Internet.
I'm not using a wireless adapter. The netgear is a pci card. Device manager would see it too but the rest of windows does not. I have tried uninstalling it and reinstalling it (the onboard 3com). Xpnetdiag gives me warning 'the server name or address could not be resolved' run cmd ipconfig doesn't show any status data. /release and /renew don't seem to have any effect there may still be a trace of the av security 2012 virus running a process Check this solution for the unresolved server name or address: Error: '12007: The server name or address could not be resolved' and error: 'Internet Explorer cannot display webpage' while running diagnose connection problem. How to completely remove the Security 2012 virus.
H ello, First you might keep windows update regularly to obtain the latest driver for your device. Note: Drivers on the Windows Update site are directly provided by hardware manufacturers. Microsoft tests drivers in various environments before they are published; however, we cannot guarantee all drivers will work on all hardware platforms as there are too many different models, although their hardware ID are the same as the standard version. In some cases, due to hardware modifications by different manufacturers, the driver updates may cause some error. If it does not work on your issue, I'd suggest you installing the Vista driver in Compatibility mode.
Remove and rescan that hardware device in Device Manager, right-click on the driver executable/installer file - Properties and select the Compatibility tab; click the checkbox before Run this program in Compatibility mode for option and select Windows Vista in the list-down box; then try installing the device driver. In addition, you can use the Windows XP driver for testing. Meanwhile, please understand that Windows 7 is a new operating system and whole driverstore has been reprogrammed; you might wait for another period of time till the retail version is released and push the vendor company to upgrade their device driver. Thanks for your time and understanding! For more details, please l ook at the first Sticky thread at the top of this forum.
This will give you some guidelines. H ello, First you might keep windows update regularly to obtain the latest driver for your device. Note: Drivers on the Windows Update site are directly provided by hardware manufacturers. Microsoft tests drivers in various environments before they are published; however, we cannot guarantee all drivers will work on all hardware platforms as there are too many different models, although their hardware ID are the same as the standard version. In some cases, due to hardware modifications by different manufacturers, the driver updates may cause some error. If it does not work on your issue, I'd suggest you installing the Vista driver in Compatibility mode.
Remove and rescan that hardware device in Device Manager, right-click on the driver executable/installer file - Properties and select the Compatibility tab; click the checkbox before Run this program in Compatibility mode for option and select Windows Vista in the list-down box; then try installing the device driver. In addition, you can use the Windows XP driver for testing. Meanwhile, please understand that Windows 7 is a new operating system and whole driverstore has been reprogrammed; you might wait for another period of time till the retail version is released and push the vendor company to upgrade their device driver. Thanks for your time and understanding! For more details, please l ook at the first Sticky thread at the top of this forum. This will give you some guidelines. I tried everything you can imagine, including 3com site.
The only thing that worked was to include de wireless card manually on windows7, because the chipset is ATHEROS AR5006XS. Now, it's ok.
Where did you find the Atheros AR4006XS driver? I downloaded one from, but it doesn't work. First, my windows is portuguese, so i don't have the english names exactly. I'll explain the better way, ok?
When you have the wireless card on your Pc, it will apear on the Device Manager, but with some note the it's not working. You have to try a driver update (right button, first option), and choose the second option (look software driver on my computer). Next, choose the option 'Let me choose from a list of drivers on my computer' (or some like this). Then, uncheck 'show compatible hardware'.
When you do this, will appear a list of manufactures. Choose Atheros Communications Inc., and on the right window choose Atheros AR5006XS Wireless Network Adapter.
Ok so I'd like to know what criteria determines why a router is listed in network infrastructure. And how do you get rid of it?
Why is windows 7 doing this???????????? It makes no sense. Can't really answer that. I can only say that turning on Details view for the page shows that the alien router is not listed in my Network Location.
So it is a network infrastructure device that in theory I 'could' connect to. Researching a bit further into the router configs (Properties for it gives model, serial no, MAC address and unique identifier #) shows that the owner has set it up to use WiFi Protected Setup to allow wireless devices to connect (requiring a fixed PIN number). So If I had the PIN number of the router I could connect to his network. That might be why it is showing up.
If your mystery router is configured similarly that might be a further clue as to why these routers are being listed under Network Infrastructure while other nearby routers are not.