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Help to get PC working please
On 6/5/06 1:43 AM kony wrote:
On Mon, 5 Jun 2006 11:19:33 +0800, "mehere" wrote: First sorry for cross posting I was not sure which NG would give me the better response. OK I have a PC I am trying to rescue form my Parents. They had a mouse infestation and they got into the PC and obviously the PC stopped working. I have now cleaned out the PC and removed all the crap of all boards by using a very similar process as at http://www.badcaps.net/forum/showthr...3&page=2&pp=15 and all appears to be looking good. I didn't see the system but most of the "dirt" that accumulates on an already assembled system is only cosmetic, asthetically unpleasing to the person servicing it but unless it's severely blocking airflow, won't be a problem to operation. Even so, if your parents' place is still susceptible to mice you might look into installing metal screening over any (large enough) openings. I have reconnected everything and having no additional luck. Symptom is that the MB appears to be gettng power (can see the LED's light up) and when I push the power button the CPU fan and two other case fans spin for a brief couple of seconds and then nothing. So my question what could be the issue can you point me to what I should look at first. I tought of a new case with a new Power supply, but thought before I do that I'd ask here for some ideas. BTW its an ASUS A7V8X MB with an Athlon 2.4Ghz CPU I think I've washed quite a few boards. The main issue is to not just pull the board out of (tapwater) and leave it sitting to dry with the water beading up on the contacts. Carefully (so as to not bend the circuit board) shaking out excess water might be enough, but I usually put a couple drops of "Jet Dry" (dishwasher rinse agent) in the water, or if I don't have a rinse agent available, about 1 drop of pure (not that gentle-to-hands, lotiony stuff) dish detergent in to redue the water surface tension so it doesn't bead up so much), in the final rinse. There are a couple other factors though. The battery and EPROM are removed. I've washed video cards that had soldered on EPROMs and managed to do it without problems, but generally it should be avoided. I have managed to scramble bios by leaving the EPROM in a motherboard and so I always remove it when possible (and it usually is). Now onto your particular situation... what was the system doing before you had disassembled it to clean it? If it was already doing the same thing, for all we know there was already damage and cleaning it wouldn't fix that. I have to wonder what kind of killer mice they were though, most seem more interested in food than eating circuit boards, though i suppose if one tried to use a video card as a trampoline it could be a problem. Anyway, was the battery left in? If so, take it out and measure the voltage. If under 3V, replace it. Either way, after new battery is installed or current battery out, make sure the CMOS is cleared by having the battery out while AC power is disconnected for at least 10 minutes. A dead battery could cause a problem like you're seeing. Some boards will post without a battery but others, including some similar age Asus, won't. Strip the system down to bare minimums- CPU, video card, CPU, heatsink/fan, 1 memory module. If it still won't post, add back the floppy drive and note whether it tries to access the floppy. If it does, it might be trying to load a recovery image. Sometimes having a PCI video card (instead of AGP) will allow seeing on the monitor what is happening). Somehow I doubt the mice did anything to the power supply, that unless there was a severe electrical short the PSU and case would at least suffice to get the system running and it's more likely the motherboard itself that is the problem. Then again I don't know the prior state of the system. If the heatsink was off and it was started without the sink, then the CPU is probably fried. Isn't rodent damage covered under most homeowners insurance? If so salvage the HDD if you can and junk the rest. Let the folks collect on their homeowners and get a new PC. -- ________ To email me, Edit "blog" from my email address. Brian M. Kochera "Some mistakes are too much fun to only make once!" View My Web Page: http://home.earthlink.net/~brian1951 |
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Help to get PC working please
On Wed, 07 Jun 2006 00:59:46 GMT, Brian K
wrote: Isn't rodent damage covered under most homeowners insurance? If so salvage the HDD if you can and junk the rest. Let the folks collect on their homeowners and get a new PC. Depends on what kind of coverage and deductible, it might be as well to just buy the new PC regardless if the system were old enough that they'd benefit from the performance boost. |
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