My 2nd PC encountered a Power Supply problem, I replaced the PSU but the PC does not respond. The led in front of the PC blinks but nothing else on the units seems to react. the fan on the CPU also is the only other thing running. Drive does not run, nothing comes on the moniter.
Can somebody help trouble shoot this, did by mbo and or chip get fried when my PSU failed.
2007-03-26 04:09:15 · 5 answers · asked by tsalazar 1 in Computers & Internet ➔ Hardware ➔ Other - Hardware
I'm inclined to agree that your power supply took out at least your motherboard, and possibly your CPU. Often when that happens it's because the power supply is too small for the needs of all your hardware. Make sure the power supply you are using has more power output than what you would need for the peak power usage, which usually occurs at boot-up. I would use no less than a 400W supply for general purposes, and if you are using 3 or 4 EIDE drives and, say, a high end video card, I would recommend going with 500W supply. It might not be a bad idea to just replace the processor and the motherboard at the same time because they work well when sold as a matched set, and often the old processor will have suffered some damage from being under-powered and may fail later on and again take your new motherboard with it.
2007-03-26 04:29:15 · answer #1 · answered by hstereo 3 · 2⤊ 0⤋
Something might have a short circuit. Most likely is the video card. Unplug this and later other things and see what happens on power on. At least there should be beeps from the speaker and fans running.
Some PCs from a few years ago had motherboards with capacitors (little cylinders) that had manufacturing defects. These would swell and leak (brown stuff) and short circuit. Examine the motherboard.
Good quality power supplies have overload protection to turn themselves off when too much power is drawn. Your old PS might not be faulty.
2007-03-26 11:30:23 · answer #2 · answered by ROY L 6 · 0⤊ 0⤋
Your Mobo getting fried is a possibility, especially if your old PSU didnt have active PFC. You should take your new Power supply to a computer shop to have them test it, or Best Buy has power supply testers (latter is more expensive). If it checks out, since it is possible for a brand new power supply to be a bad egg, then you probably did have something get cooked when the old PSU went out. Power supplies baby feed a computer small voltages (3.3v,5v, & 12v) and when it goes down, depending on specifically what failed, the regulation of those voltages was lost, and if thats what happened, it may have fried something.
2007-03-26 13:06:07 · answer #3 · answered by hibrad2003 2 · 0⤊ 0⤋
Your power supply killed your motherboard. Whether or not it also killed your processor, you won't know until you replace the motherboard.
2007-03-26 11:13:55 · answer #4 · answered by alchemist_n_tx 6 · 0⤊ 0⤋
that is probably an elictrical spark on your mother board go to maintance shop and they will out it
2007-03-26 11:16:40 · answer #5 · answered by Milt15 3 · 0⤊ 0⤋