E Tower Mother board question

June 24, 2009 at 20:44:55
Specs: Win 98
I have an ETower 500ix that is giving me an unlock keyboard error... Does anyone have a motherboard guide or know of a resolution for this issue?

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June 24, 2009 at 21:17:22
What happened to it between the last time it worked OK and the first time you got the error?

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June 24, 2009 at 22:23:16
Seven generic possibilities for keyboard failure at startup::

1) The keyboard or its cable is bad.

2) The keyboard bios on the motherboard is bad.

3) On most motherboards there is a small inline fuse near the keyboard connector. Perhaps that's blown. You can't tell by looking at it. It looks like a axial resisor or capacitor. It'll be labeled on the motherboard as F1, F2, etc. but always starting with F.

4) If you have a lock/unlock keyed switch on the front of the computer it is locked or the keyboard lock pins on the motherboard have been jumpered.

5) The motherboard KB connection is loose or bad.

6) Make sure it's not a keyboard designed for the IBM PC/XT and compatibles (8088's). Those used different timing signals than 286's and above.

7) It's plugged into the wrong port.

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June 24, 2009 at 23:21:22
I had been getting the eTower "Big E" screen at boot up and ran fine. Turned it off last night and today when it was booted it went to a standard AMI Bios screen, counted the ram and went to the keyboard lock issue, requesting unlocking and pressing of F1... I guess there is no option but to open the case back up and check... I had been modifying an old system for an older (Forward Crazy) lady to use for email... I put an extra hdd in the 3.5" floppy bay, but to do this i had to remove ram and cpu... But after having done this 2 times it was functioning correctly, even w/ serveral shut downs and restarts...

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Related Solutions

June 25, 2009 at 07:16:45
Did you verify you are using the correct PS/2 port (purple) like DAVEINCAPS mentioned above?

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June 25, 2009 at 18:30:19
If it wasn't opened then it's not likely the keylock is jumpered--if it's even there. A lot of boards don't bother installing the keylock option anymore. Try another keyboard to rule out the possibility that the one you have is bad.

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June 26, 2009 at 19:39:32
Well, I guess that there are those w/ the capability to correctly jumper and add hdds even when the cpu, ram and all the drive cables have to be removed and replaced correctly that might confuse the mouse port w/ the keyboard port but I'm not one of them... But I guess it would be best to check the keyboard cable first before I gut the box and try again...

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