Re: XP cannot load

"Gary S. Terhune" wrote in message news:ekM9bcNwHHA.1208@xxxxxxxxxxxxxxxxxxxxxxx

"a" wrote ...

"Vanguard" ...

"a" wrote ...

My PC is down. The symptom is, after the PC is powered on, the
harddisk light is on and still but there is no monitor signal at all.
It does not detect the processor and memory. Therefore, I expect that
my PC fails at POST stage. Any suggestion? Which part failure will
cause this problem? VGA card?

Explain how you know there is an error reported for the processor and
memory when "there is no monitor signal at all". If the monitor is
black, just how are you seeing those error messages? Are you hearing
beeps during the POST which you neglected to mention in your post?

I have tried a few times. The monitor does not receive any siganl at all. I
have not heard any beep sound. After a few times computer locked up,
finally, the PC can boot. Then, the bios prompted me to reconfigure the CPU
speed. My PC is around 7 year old.

Sounds like your motherboard is going bad. It's trying, even to the point of resetting CMOS (if that's even "intentional" and not the result of some major foul-up.) It might be another component (hard drive, video card, etc.) but I don't think so. I think it's the mobo itself.

Other possibilities:

- CMOS battery is too old so settings of copy of BIOS in CMOS table won't hold and look corrupted. But that wouldn't explain why "there is no monitor signal at all" (which could mean the monitor is always black or it shows an "out of sync" or "no sync" message).
- PSU is going bad and can't supply the required amperage or voltage regulation has become too poor or with too much ripple.
- The OP says he hears no beeps. Assuming he has the internal speaker attached, there should be beeps when the POST completes. That there are no beeps means the computer isn't even starting the POST. So I'm back to BIOS corruption or PSU.
- Possibly the CPU. As part of the POST, the BIOS tells the CPU to issue a Reset signal to all devices to put them into a known starting state (this is when you do a cold power start). The OP should see the Caps, Scroll, and Numlock LEDs flash on his keyboard during the POST as that is the reset signal. If he is using a USB keyboard, connect it via adapter to the PS/2 port if the LED flash isn't seen.



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Relevant Pages

  • Re: what would cause a computer to "beep" in the background?
    ... BIOS and motherboard, they are as follows, ... Beeps - Error Message - Description ... short - Processor error - The system CPU has failed. ... Check the case for proper air flow. ...
    (microsoft.public.windowsxp.newusers)
  • Re: My processor wont run at the right speed.
    ... > my mother board could not work with the new processor. ... A Pentium CPU will *NOT* fit in a board designed to accept an Athlon ... BIOS has nothing whatsoever to do with the operating system. ... It really irks me when people refer to the BIOS as "the CMOS" - the ...
    (microsoft.public.windowsxp.general)
  • Re: My processor wont run at the right speed.
    ... Why don't you just avoid reading the newsgroup if it irks you so much? ... A Pentium CPU will *NOT* fit in a board designed to accept an Athlon ... >BIOS has nothing whatsoever to do with the operating system. ... >CMOS: - Complementary Metal Oxide Semiconductor, and is the name appiled to ...
    (microsoft.public.windowsxp.general)
  • Re: My processor wont run at the right speed.
    ... >> my mother board could not work with the new processor. ... A Pentium CPU will *NOT* fit in a board designed to accept an Athlon ... > BIOS has nothing whatsoever to do with the operating system. ... > CMOS: - Complementary Metal Oxide Semiconductor, ...
    (microsoft.public.windowsxp.general)
  • Re: Windows 2000 hangs at startup after processor change
    ... Try resetting the cmos, that should fix it. ... he's broken something when he changed the cpu. ... into the BIOS, but it wouldn't boot. ... it goes to the black "Starting Windows" ...
    (alt.comp.hardware.pc-homebuilt)
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