Question about Computers & Internet
What type of computer are you using? If it is a laptop, try disconnecting all of the peripherals and the charger. Then remove the battery. Press and hold the power button for 15-30 seconds. Reconnect things and try to see if the computer boots up and then recognizes the devices. Try a minimal number of peripherals to start. For a desktop, you can try something similar (disconnect your power cord from both the computer and the outlet) or access the motherboard and remove the CMOS battery (or use the clear CMOS jumper).
For Windows on a laptop, use the unit's laptop and touchpad to enter the Device Manager. Uninstall the USB drivers (Start > Control Panel > Hardware and Sound > Device Manager in Windows 7). Then restart the computer. If you have a desktop with a PS2 keyboard, you can do the same thing by using the keyboard. (Windows Key > Control Panel and use the arrow keys).
Try accessing the keyboard when you turn on the computer. For this you need to press and release the key every second from the time you press the power button. Try F8 to boot into safe mode (then delete drivers) or return to a known good version of Windows. Try entering the BIOS (F1, F2 or F10 depending on the brand of computer). If you have a recovery CD (install or upgrade disc), try booting to the CD and repairing Windows to a known good state. If your computer has a recovery partition, you can try rolling back the system by pressing F11.
I hope this helps.
(I've had this happen on a laptop and the reset via the power button worked when the battery was removed. On a desktop, it went back to HP under warranty since I couldn't get any keyboard to respond.)
Posted on Apr 05, 2011
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Posted on Jan 02, 2017
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