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Two laptops won't connect to wireless router
Posted 02 November 2012 - 05:43 PM
The two laptops with connection issues run Windows XP Professional. One is a Toshiba Tecra M9 using an Intel 4965AGN wireless adapter. This computer can only rarely connect to the network. Windows always claims that it is connected and does not give the "limited or no connectivity" message, but I was told that Windows stated the computer never received an IP address from the router. When I first tried to use the new router, this computer would give a BSOD when connecting to the wireless network. Updating the driver for the wireless adapter fixed that, but I now have this problem. When the connection is lost, the connection can be successfully repaired by Windows.
The second laptop is a Toshiba Satellite 1000 using a Netgear WNA1100 wireless adapter. This computer randomly loses its connection (Windows gives the "limited or no connectivity" message), but the connection returns in a few minutes.
Also, the connection speed reported by Windows on all three computers suddenly dropped after an unauthorized computer somehow managed to connect to the wireless network. The network is secured using WPA2 and a strong password, so I can only assume that the WPS button on the router was accidentally pressed while someone else was trying to connect their computer to their own router using WPS. After this, the connection speed on the working laptop dropped to 72Mbps and the connection speed on the Toshiba Tecra laptop dropped to 54Mbps.
I did not have the old Toshiba Satellite laptop connected to the old router, but the other computers all worked perfectly with the old router. The old router was a Cisco Linksys E1200, and the new router is an Actiontec C1000A modem/router combo. The router was replaced because the old modem died and the new modem had a built-in router.
Yes, the WPS button on the Actiontec router is really that big.
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Posted 12 December 2012 - 12:56 PM
Posted 13 December 2012 - 03:55 AM
Posted 13 December 2012 - 01:46 PM
Posted 13 December 2012 - 07:42 PM
Posted 13 December 2012 - 10:30 PM
One of those computers is already using the latest driver. Older drivers caused the computer to crash with a BSOD when connecting to this router.
Posted 14 December 2012 - 05:46 AM
Posted 14 December 2012 - 05:52 PM
The computer that uses the Netgear USB adapter still has issues. I tried the adapter on my old laptop running XP Home Edition, and it doesn't seem to drop the connection. However, the pop-up bubble saying that the computer is connected to the network keeps popping up randomly. On both computers, I am using the driver from the CD included with the adapter. I didn't install the special Netgear software.
Edited by lti, 14 December 2012 - 05:55 PM.
Posted 14 December 2012 - 10:42 PM
Posted 25 February 2013 - 07:19 PM
I finally tried the Netgear adapter with another router, and it does the same thing. It disconnects randomly, even with a properly functioning router. It looks like I'm using the latest driver, which is actually supplied by Atheros.
Posted 26 February 2013 - 01:53 AM
The only suggestion I could give is toggling the router's setting wireless mode to 802.11n, 802.11 b/g only or 802.11 mixed. Also, check if it has a bandwith setting of 20 Mhz to 20/40 Mhz auto option. I've had success by toggling these settings in the past where some adapters are having a hard time communicating with the router. Please use them alternately and check the difference.
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