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Infinite startup loop, not the same as other posts ive read

I have had my computer for about a year now, and my problem is that when I first hit the power button for about a second the computer will try to turn on (fan will start, light on back of psu will come on) then immediately shut off (i have noticed that the light on the psu will cut off for a split second before the loop continued) i have unplugged it, opened it up, removed the 3v batt on the mobo, ive even tried flipping it like someone suggested

I put startup loop in the thread title because all of the reboot threads ive read said they managed to get to the boot screen or theyve heard a beep, but mine doesn't even last long enough to let me see a screen.

this is not the first time ive had this problem, but when it has happened before i just unplugged the power cord until it had no power left (it would still do it once or twice after being unplugged) then i would plug it in and the loop would be fixed. its been weeks since the last time this has happened though and this time that quick three minute fix isn't working

is there anyone that can please help me?

my specs that i know are

Dell XPS 8500
8gb DDR3 RAM
1Tb 7200rpm HDD
RADEONHD 7570 Graphics card
3rd gen i5 processor, don't know the exact one but i haven't changed the computer at all it is stock

thats all i know about it sorry, i hope somebody can help me with this!
7 answers Last reply Best Answer
More about infinite startup loop posts ive read
  1. The could be as simple as a defective power supply (based on your earlier problem/solution). What is your budget for a power supply (you don't have to use one from Dell)?
  2. Best answer
    One of your components may be shorting out. If so your computer will automatically shut off to prevent damage. I've seen this with rookie builders who forget standoffs and screw their mobo directly into the chassis. Could be a bad component or maybe something got moved etc.
  3. well i can buy a pretty standard supply but i dont need anything fancy as long as it works, and how would i determine which component is shorted out?
  4. COLGeek said:
    The could be as simple as a defective power supply (based on your earlier problem/solution). What is your budget for a power supply (you don't have to use one from Dell)?


    well i can buy a pretty standard supply but i dont need anything fancy as long as it works
  5. crazyg0053 said:
    One of your components may be shorting out. If so your computer will automatically shut off to prevent damage. I've seen this with rookie builders who forget standoffs and screw their mobo directly into the chassis. Could be a bad component or maybe something got moved etc.


    how would i determine which component is shorted out?
  6. thank you so much for your help guys, i do appreciate it. i actually ended up solving this simply by going through Dell's customer service who sent out IT guys, usually its a headache but it was really pain free and my computer was working NEXT day. i was extremely pleased, turns out it was the motherboard and they fixed free of charge!
    once again thanks guys for you help
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