I have a customers pc on my desk. it boots to cpu check beeps once then freezes. its an award bios. I've changed out mem, power supply, disconnected everything but the basics(keyboard, mouse) popped out cmos backup battery for 30 min, changed out video card. the only thing left that I know to check is MB and cpu and I dont really know how without some kind of gadget. so what do you think?
beeps once then freezes
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MobileTechie
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So does it get to the BIOS or not?
dgiles79
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You may want to check the caps, blown or bulging caps can cause all kinds of weird issues.
I'm assuming you don't have an extra cpu to test (having a couple of the common sockets might be a good idea)
If you have any more details on what you're seeing on the screen, do you see any part of the bios before it freezes etc, that might be helpful
I'm assuming you don't have an extra cpu to test (having a couple of the common sockets might be a good idea)
If you have any more details on what you're seeing on the screen, do you see any part of the bios before it freezes etc, that might be helpful
MobileTechie
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I must be the only person in IT who DOESN'T routinely see blown caps causing problems!
StauntonComputerRepair
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What is the manufacturer of the motherboard?
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dgiles79
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Count yourself lucky! It shouldn't be so much of an issue with newer computers, but anything around 2000-2006 has a good chance of bad caps.
Personally, I worked with a lot of Dell GX270s and HP DC5000s in a corporate environment, and it seemed like 90% of those had leaking or bulged caps.
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I've seen a few dell's with bad caps, but nothing for years.
it starts to run throught bios but stops at the poit when displaying cpu info
gigabyte is the mb maker, yes it get to the bios but freezes during the boot
ATTech
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Sounds like you don't know the difference between BIOS and POST...
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ok, well that being said. no it does not make it to the bios. it freezes during post
MobileTechie
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If it doesn't complete post then it's very likely the mobo. Chips only rarely break.
The only other thing I can think of is a corrupted BIOS or damaged BIOS chip. Some of them allow flashing via an external floppy or by replacing the chip.
The only other thing I can think of is a corrupted BIOS or damaged BIOS chip. Some of them allow flashing via an external floppy or by replacing the chip.
So does anything display on the screen at the point of freezing? If it begins the POST process then it's already "made it to the BIOS". TBH it's going to be difficult to help you if you don't sufficiently understand how the boot process works, but it may help if you try clearing the CMOS chip and systematically unplugging all attached i/o devices and peripherals.
MobileTechie
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I introduced the "does it make it to the bios" thing. To clarify, what I meant was does it make it as far as to allow access the bios settings function.
no it freezes before I can do that
You have a faulty hardware component or possibly corrupted BIOS code. If it's the latter you made have to re-flash the BIOS with the correct OEM code.
"try clearing the CMOS chip and systematically unplugging all attached i/o devices and peripherals."
I bought one and have used it a few times. It looks interesting, but is totally useless for diagnosing anything.
ya that type (post code) are worthless. it turns out P.H.D. PCI2 is the other option, but at $1000 I think trial n error is the way to go.
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