No input from Mouse keyboard and Monitor Closed

Question

Hello,

I was using my computer, and suddenly my computer froze. I waited about 3-5 minutes, nothing. I pressed the turn off button, and held it for 3 seconds. I tried to turn on the computer, but the lights on the mouse and keyboard are not on. No input from monitor; "No Signal" message. I plug in other devices such as a usb hub, it received power (the red light was on). Fans are turning, the green light on the motherboard, dvd drive working, so is the hard drive. i did install inner devices: 256 mb ram and a network card, but the computer worked perfectly with them. the bios battery reads 3v. the computer is non more than 3 years old. Please help.

anjana03 · Answer

when we see 'no sigenal' it means  there is a  barrer between cpu and moniter  link  .ithink your cpu is working properly  u can chek on another monitor. your vj wire or its pin may be damage look seriously.   if wire damage elcronix tech. can corret it.

anjana03 · Answer

look on bios , usb port may be disable. do able.

toby · Answer

i just got the exact same problem :(:(
found a fix for yours yet?

abraker95 · Answer

Solution:
Motherboard went bad. I replaced the motherboard for as low as $250. You'll get a higher price if you need a better motherboard. How did it go bad? Don't really know. Several of my guesses are(in order of probability):
1) Static Electricity when I was upgrading the computer. It was possible that one of the screws that hold the Motherboard weren't firmly screwed in, resulting a touch with case, and a shock.
2) Old motherboard (5 years old?!)
3) It didn't want live.

No input from Mouse keyboard and Monitor

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