I have a HP Pavilion desktop computer. I am running Windows 7. After my computer goes idle (after about 30 minutes or so) my keyboard becomes totally unresponsive. Everything else works, however. I have experienced this for a while now (not sure how
long) but I have changed keyboards and it has made no difference. I have to reboot my computer to get the keyboard working again. The keyboards I have used (and am using now), are USB, which are plugged into the port at the back of the tower. I am not currently
running any background programs but do have AVG FREE anti-virus software installed.
Hope this information is sufficient.
Any help you can offer is appreciated.
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If the issue does not repeat in Safe mode then there is likely that a startup item or service is causing the issue. Follow the steps found on the following link to pinpoint the item or service causing the error:
Important Note: Antivirus software can help protect your computer against virus and other security threats. In most cases, you shouldn't disable your antivirus software. If you have to temporarily disable
it to install other software, you should re-enable it as soon as you're done. If you're connected to the Internet or a network while your antivirus software is disabled, your computer is vulnerable to attacks.
I would also recommend you to update the chipset drivers from the manufacturer's website as the USB drivers are related with the chipset drivers and it might be one of the causes.
Method 3: Uninstall and Re-install the USB drivers Controllers.
Use Device Manager to uninstall and re-install all the USB controllers. This lets the controllers recover the USB port from its unresponsive condition. The USB controllers represent the USB ports in Device Manager.
To uninstall and re-install the USB controllers, follow these steps:
1. Click Start, type device manager in the Start search box and hit Enter.
2. Expand Universal Serial Bus controllers.
Note You might have to scroll down the list to find this item.
3. Right-click the first USB controller under Universal Serial Bus controllers, and then click Uninstall to remove it.
4. Repeat the above step for each USB controller that is listed under Universal Serial Bus controllers.
5. Restart the computer. After the computer starts, Windows will automatically scan for hardware changes and reinstall all the USB controllers that you uninstalled.
6. Check the USB device to see whether it is working.
Method 4: Update a driver for hardware that isn't working properly