Mouse and keyboard not working..

IwantanewPC

IwantanewPC

IwantanewPC

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Joined
15 Jan 2006
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388
I needed to test the PSU from my upstairs computer in the downstairs family computer, which is a very old PC.

After I had done so I took the PSU from the upstairs PC out, put the original back in, connected everything back up as it was before but now the mouse or keyboard aren't working. Both the keyboard and mouse lights are on but they just won't work.. and because I need to login from the XP menu screen, I can't get to the desktop. :rolleyes: I can't get in to the bios either because pressing Del does nothing..

Anyone know what might be the problem?
 
Have you got them plugged into exactly the same USB ports that they were in? I have 6 USB ports at the back of mine and mouse and keyboard only work with the top two.
 
Neither are connected via USB... well, the mouse is a USB mouse but I've got it through a PS/2 adapter.

I tried just plugging the mouse in through USB but that made no difference.
 
You could try whipping out the CMOS battery for a short while ... you sure you have the mouse/keyboard in the correct respective PS/2 ports?
 
Yeah, quite sure. Green to green, purple to purple. :p I'll try the CMOS.

Any more suggestions people? This is really frustrating, I just don't understand it at all.
 
I hope you haven`t borked the 5v rail somehow, older boards used to have a one-time 5V fuse ... try a Windows boot disk, W95, W98 it doesn`t matter. It will load some drivers to test if your hardware is OK.
 
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