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Keyboard/mouse not working in Windows

By E Chill ·
I am running Win2000 Pro and the other day, suddenly, my keyboard and mouse stopped
working. They work in the boot-up mode (tested because I tried to repair the Win installation) and also
work under a CD-run version of Linux. So I think it must be something with Windows.
The problem is I can't get either to work so I can't get in and change anything not even in VGA or safe mode.
Yes, I tried other keyboards and mice too. They are both PS/2 connected.

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by willcomp In reply to Keyboard/mouse not workin ...

How about a little help here. Are you saying that PS/2 keyboard and mouse do not work in safe mode?

In order for a USB keyboard to work prior to loading Windows, BIOS must be configured to recognize keyboard. USB keyboard support or legacy USB support or similar has to be enabled in BIOS. Use PS/2 keyboard for that.

Dalton

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by willcomp In reply to

Reread question. Missed safe mode info first time around.

Apparently you can access BIOS with PS/2 keyboard. If so reset ESCD as suggested below.

Comment about USB settings in BIOS is still valid.

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by E Chill In reply to

Pointing in right direction but cannot find any functions in my bios (circa 2000) that relate to anything for the keyboard or USB for that matter at all. I do not know how to reset escd.

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by sgt_shultz In reply to Keyboard/mouse not workin ...

what about using recovery console to restore registry to earlier version from repair folder. what about a rescue installation of win2k to edit the registry. what about a usb keyboard and mouse...
what about 'press spacebar for last known good config. do you have it at that point.
for a person that has linux on a bootable cd i am surprised you can't figure this one out...

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by E Chill In reply to

I have tried everything so far.
Having a Knoppix CD and being a Linux guy are far from the same thing.
Last good config rendered the same result. Repair of installation did nothing either. I am almost positive that what some of the others said as being Mangled drivers is correct. But I cannot get in and do anything about it.
I really appreciate your efforts. thanks.

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by bvega In reply to Keyboard/mouse not workin ...

Had something like this. I went into BIOS and refreshed CMOS so that corrupt PCI interrupt table was recreated. Windows relies on this table more than Linux. Dells and Compaqs are notorious for these. Sometimes, just going into BIOS and changing a setting like SCSI or IDE field, WITHOUT REBOOTING YET, did it for me. Let me explain that when PCI table gets corrupted, interrupts are "Reassigned". SO your PCI video card no longer works because the interrupt that Windows has no longer matches what BIOS has. Hope this hits the nail.

Benny

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by E Chill In reply to

This machine is a "white box". AMI Mboard. This is definitely on the right track. I just started getting CMOS errors and so replaced the battery on the board. Until then I had 2 options: F1 to run setup and F2 to reset all settings and go. I did both to no avail. When I replaced the battery I stopped getting the CMOS error and had to reset the system clock to the correct time. But still no PS/2 keyboard/mouse will work. My USB mouse works but not my USB keyboard and I can't find any BIOS settings to change that.
Can you explain what you mean to refresh the CMOS and/or reset the PCI table?

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by willcomp In reply to Keyboard/mouse not workin ...

Reset ESCD in BIOS (as previously mentioned). Usually found under PCI Plug and Play or similar. It is a yes/no or enabled/disabled choice and may refer to resetting Plug 'n Play or PCI. Set PCI to Auto, enable Plug 'n Play OS, and enable reset. Reset will run only on next boot, then will disable itself. If you need to reset PCI again, will have to enable reset again.

Add a comment to your question if you have any problems with PCI reset. 2 rejects on 1 question is enough. TR needs a better way to handle the back and forth required to find a solution.

Dalton

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by E Chill In reply to

Poster rated this answer.

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by bvega In reply to Keyboard/mouse not workin ...

Is there a Keyboard field in BIOS? Is it set to automatic? Can you change it to PS/2 and then try your PS/2 keyboard?

Benny

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