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Windows 7: Wireless LAN card stopped working

22 Jul 2012   #1

Windows 7 Home Premium x64
Wireless LAN card stopped working

My computer is unable access my router. The power went out for a second and clearly that did something. I have an HP p7-1174 desk top, running Windows 7 Home Premium x64. The processor is an AMD A8-3800.

There are now several devices in the manager with yellow exclamation points, all relegated to the LAN. I get a Code 31, unable to load drivers message. I ran the sfc scan and there were no integrity violations. I tried updating drivers without any luck. My router is working fine because my laptop and iPad both work online.

The problem seems to be that Windows can't load the drivers for my 802.11n wireless LAN card. I tried updating drivers but it said the driver was up to date. I tried changing manually but the only two listed were the same and when I clicked one, it said Windows was unable to load.

Any help would be appreciated.

My System SpecsSystem Spec

24 Jul 2012   #2
Microsoft MVP

Win7 & Win8 64bit

Welcome to Seven Forums,

If your computer was trouble free, have you tried a System Restore and restore to a point when your Wi-Fi was working?

Boot to Safe Mode with Networking by restarting your computer, tapping F8 then selecting this option, disable your AV or Security software. Locate Device Manager, uninstall all the drivers with the ! symbol, restart your computer and let your Windows auto detect and reinstall all the drivers. See if this helps.
My System SpecsSystem Spec

 Wireless LAN card stopped working

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