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Posted on Oct 26, 2009
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Wireless Problems dv6400

DV 6400 Notebook PC

Background: I have Windows 7 and Windows Vista on my PC. I have been using mainly Windows 7 for a few weeks and everything was working fine until today. I called HP and they are suggesting I send in my laptop but I just wanted to make sure that there isn't something else that I can do.

Problem: The wireless internet isn't working. The wireless switch on the bottom is constantly red instead of turning blue when switched on. In device manager there is no wireless adapter under "Network Adapters" both in 7 and vista. I have tried numerous times to download it and it still will not work. I have tried the whole take out the battery thing and hold down the power button thing. The wired internet works fine.

That's all the details I can think of for now. Thanks for helping!!!

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  • sedbrook Oct 27, 2009

    Yeah the problem is that the wireless adapter doesn't even show up under the network adapters.

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1 Answer

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  • Posted on Oct 26, 2009
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Windows WiFi Fix,
Windows Zero Wireless Configuration is one of the best programs to run a WiFi in Windows XP or Vista. Most of the other software packages that come with the different adapters have been poor at best in keeping a connection through Windows. Here is the best guide to get you back up and connected.
Windows XP:
Click Start
Right click on My Computer
When a window pops up click on properties
Click on the Hardware tab
Click Device Manager
Click the [+] next to Network Adapters
Find your wireless card and right click on it.
Click Disable
Windows may warn you that disabling the device may make it stop functioning.
Continue disabling the device.
Wait 30 seconds or so.
Right click on your wireless again and click Enable.
Exit the device manager.
Reconnect to your router.
You should now be able to connect to the internet.

Windows Vista:

Click Start Logo
Right Click Computer
Click Device Manager
Windows will ask you about opening Device Manager Click Continue
Click the [+] next to Network Adapters
Find your wireless card and right click on it.
Click Disable
Windows may warn you that disabling the device may make it stop functioning.
Continue disabling the device.
Wait 30 seconds or so.
Right click on your wireless again and click Enable.
Exit the device manager.
Reconnect to your router.
You should now be able to connect to the internet.

  • Anonymous Oct 27, 2009

    This could end up being a control card failure on the motherboard. Do you have another slot you can move the card to and try that mini-pci slot? Sometimes DV6000s have two ,mini-pci slots on the motherboard, side by side.

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