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Computer Clicks on Power-up

Hello Experts,

I got one for you, I have a tower that just the other night started "clicking" when powered on.  It doesnt boot up or go to post or anything.  The cpu and case fans wind up for a second or two then turn off and the tower just continues to make a clicking sound almost like it is hung.......I had this issue before and it had went away, had the power supply tested and it was good but changed it for good measure and here we are again.  The weird thing is if you leave it plugged in it will work fine, but if you un-plug it and plug it back in it does this........I tested this new power supply last night and it seems to be fine as well.  Anyone have any ideas?   I am stumped!
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zraptor
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zraptor
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1 Solution
 
TribusCommented:
Sounds like possibly a imminent hard drive failure or a fan has something like a wire getting caught up in it.
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rindiCommented:
I'd agree that a bad HD often makes a clicking sound. Disconnect it from the PC and check if it still clicks when you turn it on. Although a wire or some other obstacle caught in a fan would cause clicking, but that normally won't result in the PC failing to boot-up.

If the PC doesn't click without the HD connected after you power it on, you will either have to replace it and install your OS and everything on it again, or if it is an old PC buy a new one, as then the price of a new disk, along with all the setup work (and maybe the need to buy the OS and other software again, depending on whether you have installation media and the product keys or not) would probably cost more...
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nobusCommented:
i suggest to use the minimum setup to troubleshoot - disconnect all extra disks, CD drives, external devices, and cards - or disable them, as described in this guide  :

http://www.experts-exchange.com/Hardware/Components/Motherboards/A_1945.html                  (Short-overview-of-how-to-troubleshoot-bad-hardware-when-a-pc-does-not-post)

in case your disk has problems, use this article :
http://www.experts-exchange.com/Storage/Hard_Drives/A_3000-The-bad-hard-disk-problem.html
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zraptorAuthor Commented:
okay, I am going to try the minimum setup as suggested above and see what I get.  I have encountered hard drive clicking before and thats not what is going on, its odd actually, the pc just keeps re-booting itself and making the clicking noice each re-start.  Just keeps cycling.  It wont even turn off after holding the power button in for 5 secs.  I actually have to unplug it
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nobusCommented:
try to listen to the clicking, and where it comes from - showing the problem device
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rindiCommented:
You also say it always restarts. How does it do that? Is anything displayed at all, does it show any POST messages?
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zraptorAuthor Commented:
no post at all, no display on monitor.  in fact, monitor doesnt even come out of sleep mode.  just like it stuck in a constant re-start cycle, powers on, off, on, off etc.......
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TribusCommented:
Sounds like this may be a power supply failing also, or something is overheating such as a video card and perhaps the fan attached to it.
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nobusCommented:
zraptor, how is it going?  any info?
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TribusCommented:
This is starting to however also start to begin to sound like either the power supply or the mainboard has failed.

You mentioned that you had changed power supplies and tested the current one out.  That tends to lean then to very few possibilities.  The CPU/ heatsink combo or the board itself.  The clicking noise is interesting as well as if perhaps the CPU heatsink failed and then overheated.
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NetRolller3DCommented:
The clicking is presumably the overload protection in the PSU or on the motherboard kicking in. I'd guess the motherboard is faulty.

Check for bulging capacitors on the motherboard.
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zraptorAuthor Commented:
nothing mentioned above has been the solution
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rindiCommented:
Then delete the Question
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TribusCommented:
So, out of the advice above.  Replacing or testing the mainboard, CPU/heatsink, video card, memory and power supply, the machine still does not work and you still cannot identify the part...
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zraptorAuthor Commented:
no solution
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