PC died
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Posted by LD on July 11, 2005, 2:07 pm
Please log in for more thread options All fans are rotating, so the board gets power, but the monitor doesn't get a signal and it doesn't start up with the usual boot-up sounds. I tried changing the graphic card, both to another AGP one, and a PCI card, without result. Figuring the CPU could have died, I also changed that, but to no avail. I de-connected all unneccessary cards abd drives, hoping that one of them had short-circuited, but that didn't help either. Taking out the ram did neither make a difference. Now I believe that if it ws either problems with ram or harddrives, I would at least se the bios, would only not a gfx/cpu failure give this type of error? Or might it be the board which gave up? It has been running in a 30 C/86 F environment for the last month's time, but that should not be a problem, as I've had good air rotation in the cabinet. | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by kony on July 11, 2005, 12:38 pm
Please log in for more thread options SO for now all you know is that it doesn't POST. The usual procedure is to try unplugging it from AC for at least 2 minutes, clearing CMOS, then retring it. Take battery voltage reading too. If it still doesn't work, strip system down to bare essentials towards POSTing, ie- 1 memory module, CPU, video. >
>I tried changing the graphic card, both to another AGP one, and a PCI card, >without result. > >Figuring the CPU could have died, I also changed that, but to no avail. CPU rarely die unless it ran instable from failed fan for a long time or the heatsink fell off. >
>I de-connected all unneccessary cards abd drives, hoping that one of them >had short-circuited, but that didn't help either. Taking out the ram did >neither >make a difference. It won't POST without any memory installed. >
>Now I believe that if it ws either problems with ram or harddrives, I would >at least se the bios, would only not a gfx/cpu failure give this type of >error? Since you tried 2 (presumably known-good) video cards, it's not likely a video card problem. Not as likely a memory problem either. The two most common problems are: 1) Power supply 2) Motherboard failed capacitors. Certainly there are other potentials, but examine the board and take voltage readings- and if you have spares of either of these, try the spares. >
>Or might it be the board which gave up? It has been running in a 30 C/86 F >environment for the last month's time, but that should not be a problem, as >I've >had good air rotation in the cabinet. > You failed to mention the system. A concise list of all major components including make/model of motherboard, CPU, and power supply might be helpful. | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Vanguard on July 11, 2005, 9:57 am
Please log in for more thread options > On Mon, 11 Jul 2005 13:07:44 +0200, "LD"
> >>Yesterday morning, my PC just stopped working.
>> >>All fans are rotating, so the board gets power, but the monitor >>doesn't get >>a signal >>and it doesn't start up with the usual boot-up sounds. >
> SO for now all you know is that it doesn't POST. > The usual procedure is to try unplugging it from AC for at > least 2 minutes, clearing CMOS, then retring it. Take > battery voltage reading too. > > If it still doesn't work, strip system down to bare > essentials towards POSTing, ie- 1 memory module, CPU, video. If it is an ATX power supply, might it also need the load provided by one hard drive? If "LD" has more than one memory stick, he/she may have to try each one separately (unless the mobo is old and requires the memory to be in pairs to fill a bank - impossible to tell considering the dearth of information provided by "LD"). | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by kony on July 11, 2005, 10:19 pm
Please log in for more thread options On Mon, 11 Jul 2005 08:57:36 -0500, "Vanguard"
>> On Mon, 11 Jul 2005 13:07:44 +0200, "LD"
>> >>>Yesterday morning, my PC just stopped working.
>>> >>>All fans are rotating, so the board gets power, but the monitor >>>doesn't get >>>a signal >>>and it doesn't start up with the usual boot-up sounds. >>
>> SO for now all you know is that it doesn't POST. >> The usual procedure is to try unplugging it from AC for at >> least 2 minutes, clearing CMOS, then retring it. Take >> battery voltage reading too. >> >> If it still doesn't work, strip system down to bare >> essentials towards POSTing, ie- 1 memory module, CPU, video. >
>If it is an ATX power supply, might it also need the load provided by >one hard drive? It is theoretically possible and I've even seen cases where that was necessary but it's rather uncommon. Modern systems draw plenty of 12V rail power for CPU, sometimes video card too. Older systems don't have PSU with such a high 12V bias. Typically it'd require: Older system using 5V rail derived CPU power, a video card without an external connector, and a modern high-capacity PSU with dual 12V rails. Such a PSU is not commonly used on older equipment and would be a bad choice for that equipment. | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Synapse Syndrome on July 11, 2005, 4:36 pm
Please log in for more thread options
> Yesterday morning, my PC just stopped working.
> > All fans are rotating, so the board gets power, but the monitor doesn't > get a signal > and it doesn't start up with the usual boot-up sounds. > > I tried changing the graphic card, both to another AGP one, and a PCI > card, > without result. > > Figuring the CPU could have died, I also changed that, but to no avail. > > I de-connected all unneccessary cards abd drives, hoping that one of them > had short-circuited, but that didn't help either. Taking out the ram did > neither > make a difference. > > Now I believe that if it ws either problems with ram or harddrives, I > would > at least se the bios, would only not a gfx/cpu failure give this type of > error? > > Or might it be the board which gave up? It has been running in a 30 C/86 F > environment for the last month's time, but that should not be a problem, > as I've > had good air rotation in the cabinet. > If the fans all work and the HDDs pin up, but nothing happens when you switch on it sounds like the 9v line to the processor has blown and you need a new PSU. ss. | ||||||||||||||||||||||||||||||||||||||||||||||
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>
>All fans are rotating, so the board gets power, but the monitor doesn't get
>a signal
>and it doesn't start up with the usual boot-up sounds.