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Unable to detect keyboard

gilly7979, on Tuesday 24 June 2008 à 13:43:04
Hello,


My PC was working fine until about 3 days ago, when I started having problems with my keyboard. I first noticed that it was acting like it had no power until I plugged in the PS/2 port again. The second time this happened, it completely stopped responding.

Since then, I have tried another PS/2 keyboard as well, but the keyboard LEDs flash randomly and there is no response to any key. Thinking that my PS/2 controller may be shot, I tried a known working Logitech USB keyboard. On the USB port, it does not enumerate the device. During POST, the LEDs come on once, but no key response. During windows startup, the LEDs keep flashing, like its continuously trying to enumerate the device.

Other things that I have noticed are that the BIOS does not stop on a keyboard error, although I don't know what the current BIOS setting is. The device manager does not show a keyboard installed, hidden or otherwise. I even performed a BIOS update, made no difference.

My specs:
Intel P4 3Ghz
Intel D915gvwb motherboard with integrated graphics
512 MB RAM
Windows XP SP2
Configuration: Windows XP
Internet Explorer 6.0
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homerclones, on Tuesday 24 June 2008 à 16:03:02
Hai


PS/2 ports are not like USB ports in that while the PC is running you can't plug in a PS/2 keyboard or mouse and have it be functional.

The keyboard LEDs flashing once is normal so I'm betting the USB KB is OK. You should be able to enter cmos/bios setup when using it. Your P4 is probably posting pretty quick and you may be missing the opportunity to enter cmos.

If USB keyboard support isn't enabled in cmos then it may not work when windows loads. (They'll usually work during posting regardless of USB keyboard support status.) So try to get into cmos with the USB KB and enable support.

Oh, your ps/2 keyboard port is probably bad.
   
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AJ, on Monday 29 September 2008 à 08:22:33
Where is the USB support enable option in CMOS setting? Please let me know. I am unable to find the place of USB support.

Yes, i found USB Boot , and I enabled that one but it does not work... help, please let me know throw my mail address...

Thanks a lot.....
   
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Suresh, on Tuesday 28 October 2008 à 11:01:11
I have Intel 810 E mother board with PIII Card Process with 533 MHz

3 days ago i unable to detect keyboard & mouse
when the system start the two errors showing on the screen
1) CMOS Setting wrong
2) KB/Interface Error

I replace the keyboard & Start the system again same error occured what should i do I think this BIOS problem give me to any solutions
   
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Suresh, on Monday 24 November 2008 à 09:34:03
I have Intel 810 E mother board with PIII Card Process with 533 MHz

3 days ago i unable to detect keyboard & mouse
when the system start the Three errors showing on the screen
1) CMOS Setting wrong
2) KB/Interface Error
3) CMOS Display Type wrong


I replace the keyboard & Start the system again same error occured what should i do I think this BIOS problem give me to any solutions
   
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 Suresh, on Monday 24 November 2008 à 09:35:27
I have Intel 810 E mother board with PIII Card Process with 533 MHz

3 days ago i unable to detect keyboard & mouse
when the system start the two errors showing on the screen
1) CMOS Setting wrong
2) KB/Interface Error
3) CMOS Display type wrong

I replace the keyboard & Start the system again same error occured what should i do I think this BIOS problem give me to any solutions
I have change CMOS Battery also
   
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xpcman, on Wednesday 29 October 2008 à 20:29:41
Replace the battery on the motherboard. A bad battery will give you that CMOS error message.
   
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