Hi, I"ve searched the forum regarding this keyboard failure problem but nothing seems to work. I'm on a 5150 and it's a USB keyboard. Sometimes the error appears and sometimes it doesn't but the former happens more often. When this happens, I can't load BIOS, go into Safe Mode, boot from CD, etc. Computers boots normally into XP and the keyboard works perfectly okay after loading the desktop. I am puzzled. What can be the problem?
I have a Dimension E510 that is identical to the 5150.
Are you connecting the keyboard to a rear USB port? If not, it's supposed to be connected to a rear port. Also, what other USB devices (other than the keyboard and mouse) do you have connected at power on? If you have other devices, disconnect them and see if you still have the problem.
Have you tried a different keyboard? This is a relatively "old" PC and maybe the keyboard itself is the problem.
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If you move a USB keyboard to a different port XP may take a bit to see the keyboard.
Boot and wait 10 min and then see if the keyboard responds to CTRL ALT DEL to login.
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Using the rear ports. Other USB devices include the mouse and a downstream USB connection from the monitor(1708FP). Ok I'll disconnect and see if problem reoccurs.
I've not tried another keyboard because I don't have a spare one. Could be a problem with the keyboard but it works perfectly when XP loads the desktop. About years old.
I'm using the rear ports and my keyboard works perfectly when desktop is loaded. No problem at all after booting.
try a mac usb keyboard it worked for me, standard pc usb keyboard refused all usb outlet on dimension 5150