PC turning on but not passing setup screen

June 11, 2009 at 06:52:40
Specs: Windows XP
Hi we have a desktop pc about 2 years old. when we turn it on it goes to the fujitsu screen with options such as setup etc and press del to enter the bios. the problem is we cant get past this screen as the keyboard is not working. the lights on it do not flash etc i have tried with other keyboards both usb and ps2 but the problem is still there.. is this a motherboard problem? i have disconnected the drives etc but the problem still occurs. the pc does its usual beep at startup and finds the graphics card, then goes onto that screen. any help would be appreciated. I have also tried booting from windows xp disc but it still goes to this screen before it gets chance to boot from the disc.

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#1
June 11, 2009 at 08:13:42
I find it understandable that a USB keyboard may not work in the POST screens. That said, a PS/2 keyboard should.

I hope you connected the PS/2 BEFORE powering up.

Try clearing the CMOS by removing the CMOS battery with the computer unplugged. Pay attention to the polarity of the battery.

After removing the battery depress the start button a couple of times and then replace the battery. Try starting again with a PS/2 keyboard connected to the purple PS/2 port.

If you can then access the BIOS you need to reset many values in there.


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#2
June 11, 2009 at 08:34:15
thanks for your reply. I have tried removing the battery and shorting the 2 alternative pins on BIOS_RE jumpers and the CMOS_CLR there is 3 pins.. i have shorted those alternatively and still no keyboard.... The problem occured after trying to put some photos from a memory stick onto the hard drive... Its done this ever since.

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#3
June 11, 2009 at 10:42:10
A memory stick could have damaged the USB ports. Did you try a known working PS/2 keyboard?

Do you have a WinXP CD or Fujitsu restore disks?


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Related Solutions

#4
June 11, 2009 at 10:48:11
Hi yes it is a working keyboard. I will check the USB sockets thanks for that suggestion. I have a Windows XP disc but am unable to boot from it as this screen comes up before it has chance to check for boot devices.

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#5
June 11, 2009 at 11:34:45
Was the flash drive inserted into a front USB port?

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#6
June 11, 2009 at 11:45:51
Hi, no it doesnt have any front USB ports. there is holes for them but thers just a blanking plate behind there... i have checked the back usb sockets and the pins in them seem to be inline and okay... what else do you suggest?? thanks for your help by the way!!!

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#7
June 11, 2009 at 12:11:30
After review I have additional questions.

Is you computer currently fully assembled and all items connected?

Did you clear the CMOS while the computer was unplugged?

Do you have the PS/2 keyboard connected to the purple port?

I asked about the front ports because those are connected by wiring to the motherboard. Some USB ports in the back can also be connected by wiring to the motherboard. The problem is they can be connected wrong. No harm comes until a device is plugged in. The rear ports would be located lower in the case where there are removable plates.


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#8
June 11, 2009 at 13:03:01
I did what u said to clear the cmos... took battery out and pressed on off button a few times... i also shorted 2 sets of jumpers on the board near the battery. the jumpers were labelled something like re-bios and clr-cmos... yeah the ps2 keyboard is plugged into the purple socket. as far as i know everything is connected right because it worked before and nothing appears to have come loose. all of the usb ports are soldered to the board and covered with a metal casing

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#9
June 11, 2009 at 13:47:23
You STILL have not said if you had the plug in or out of the AC electric.

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#10
June 11, 2009 at 13:49:05
The plug was out.

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#11
June 11, 2009 at 14:26:10
Then it sounds like your motherboard may be damaged.

I suggest that you try the following.

Uplug the computer then disconnect ALL the drives. Both the power and data cables. Disconnect any external equipment/ hardware except for the keyboard and monitor. Remove all the memory sticks and then replace just one stick. If you have an internal card reader disconnect it from the motherboard.

Of course you need to pay attention to where everything was connected.

Then plug back in and try to boot again. Post back with results.


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#12
June 11, 2009 at 14:40:44
It was 2 plugs on the motherboard that say usb1 and usb2.... they might be for the onboard card reader like u said.... well done!!! thanks a lot for your help!!!

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#13
June 11, 2009 at 16:47:39
So, now your computer is working?

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