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Keyboard (PS2 and USB) have stopped working Expand / Collapse
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Posted 16/09/2008 23:45:45
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Hope some of you nice gents could help me out.

My friend has a P4 running XP with SP3 installed. I recently gave him 1.5Gb of ram and he duly installed it.

He tells me that after that the pc went into a loop of rebooting. So he took out 512Mb and stuck a 256 back in (leaving hm with 1.25Gb). Since then the pc boots, mouse works and the keyboard works in the bios.

I've done searches of the net and all seem to recommend uninstalling the drivers from control panel then reboot. Done that til I'm blue in the face and no joy.

Any ideas or help would be greatly appreciated.

Post #311470
Posted 17/09/2008 13:44:00


Pentium

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It may just be a faulty stick of RAM. If so, there's nothing you can do to fix it




 


Post #311528
Posted 17/09/2008 20:49:15
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If that's the case, would replacing the ram with a good stick solve the problem?

It's a really odd problem, the keyboards work in the bios but not Windows. Is it possible to fix the issue without a reformat?

Post #311644
Posted 17/09/2008 22:13:51


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Sorry, I misunderstood. I thought you were trying to fix the rebooting problem.

First of all, try the keyboard in a different USB port, preferably not the one connected to the current port.

I don't know if you'll be able to do it without a keyboard, but if you download and run X-setup from here:

http://www.majorgeeks.com/download.php?det=127

do a search for Phantom , and tell it to display phantom hardware in device manager, you can uninstall any hardware that's not currently connected to the computer. At the same time, try uninstalling the keyboard drivers and check in the USB devices list. It may be a case of something that should be there is not being correctly identified by Windows, and is then not being used. This *should* let you see it to uninstall it. Unplug the keyboard to do this, as it will ensure that all the related devices are showing as disconnected.

If you don't recognise something, leave it as it is and check it out first!

If the computer you're using to post here is connected to the faulty computer, you could try a remote access program, like VNC, to control the faulty system and use the keyboard to find and solve the problem.


EDIT: Just thought, it may be worth booting to Windows before plugging in the USB keyboard so that Windows will recognise something being plugged in.




 


Post #311662
Posted 17/09/2008 22:28:53
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Just out of curiosity, in device manager there is a group called "Unknown" and in that group is the keyboard.

Could this be linked to the issues somehow?

Post #311666
Posted 18/09/2008 12:21:31
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Probably will be linked to that. Try updating the driver for that device/devices, you may have to do so from disk, as original driver has been wiped/ uninstalled.......

shuggie

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Post #311728
Posted 18/09/2008 13:02:31


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bluebaron (17/09/2008)
Just out of curiosity, in device manager there is a group called "Unknown" and in that group is the keyboard.

Could this be linked to the issues somehow?


Yup. You can either try the method I gave above, or if you have an internet connection, try updating the driver and let Windows check for an update online. For some reason the keyboard's not being recognised correctly, so an online update may solve it




 


Post #311732
Posted 19/09/2008 10:12:00
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Nah, that didn't work.

It's getting to the point where I may just recommend he reinstalls. This problem's got me puzzled like no other I've come across.

Post #311864
Posted 22/09/2008 20:46:12
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Just to keep people updated, the solution seemed to be a full reformat and re-install of XP.

Thanks to those that tried to help.