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MB and PS woes
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Posted by: TBK
This is going to be quite a lengthy post so please bear with me.
I came home the other day to find my PC shutdown, I asked my dad if he had shut it off for some reason and he said he hadn't touched it. When i tried to turn it on, it powered up but did not POST, then shut back down. I thought it was a bad PS. My old MOBO had something similar happen to it also.
My old PC had almost the same setup as my current PC has. The current PC has an Abit AT7-MAX2 MOBO, AMD Athlon XP 2.0Ghz CPU, Corsair 512MB 3200DDR RAM @ 400Mhz, Visiontek Geforce 4 Ti 5200 128MB 4x/2x AGP, LiteOn CDRW, CDROM, and two Western Digital 5400 RPM HDD's. The current PC and old PC both used the same old 250w PS.
A friend of mine suggested that maybe the old PS wasn't sending enough juice to keep all those components running and was slowly sucking the life out of both systems, eventually killing them. So i went ahead and bought a new 550w PS, and hooked it up to my current system and nothing. Same type of problem, power turns on for a few seconds, the system does not POST, then powers off. Could the new PS I bought be defective? Could the increase in wattage have shorted out my MOBO?
On top of that problem, my dad's PC needed a long LONG overdue upgrade. I bought him a Gigabyte K7 Triton series GA-7VT600 1394 MOBO, AMD Athlon XP 2.0Ghz CPU, Corsair 512MB 3200DDR RAM @400Mhz, eVGA Geforce FX 5200 128MB 8x/4x/2x AGP, LiteOn CDRW, Plextor DVD-ROM, and a Seagate Baraccuada 7200 RPM 120GB HDD. I connected all the components to his MOBO and powered his system on to hear a lovley POST error beep.
I checked the motherboard manual to only find out that the POST error i was recieving was not listed. His BIOS is an Award BIOS, and the error i was recieving was a short beep followed by alternating longer beeps of different pitch, similar to a french police siren.
Just to be sure it wasnt defective RAM or CPU or Video, i interchanged my CPU, RAM, and Video since both MOBO's could support the switch. I tried several combonations, such as: my CPU and his Video and RAM, his CPU, his Video and my RAM, etc.
None of the combo's i tried had any change on the POST error i was recieving. I even tried putting my friends Corsair 256MB 2700DDR RAM, which we took out of a working system, into my dads PC and still recieved the same POST error.
Could his MOBO need the CMOS reset? Could it just be a defective board?
Any suggestions, comments, or questions would be greatly appreciated!
Posted by: redwench
no, the size of the powersupply has nothing to do with any damage components may have, although a PS self destructing can do damage. thats probably what happened, but do make sure that you use the proper amount and technique for the thermal paste, as overheating will make the computer shut down as well.
yes, defective boards do happen. but any of the main components could be the problem, since you dont seem to have a working computer atm.
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