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Computer won't boot MB -s Gigabyte GA-z77-HD3

Hi,

Ok so I plugged in an Ipod shuffle computer froze and now it won't restart. I've taken the side off and basically the hard drives fire up the processor fan spins and then stops but nothing appears on the screen no P.O.S.T. beeps either I've tried removing memory and changed the graphic card but no joy - my gut reaction is some sort of power shortage has fired the board but I need to be sure.

500pnts

Thanks
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ise438
Asked:
ise438
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1 Solution
 
John HurstBusiness Consultant (Owner)Commented:
So you plugged in an iPod to a computer via USB, the computer froze, and now it won't start.

I don't think it is a power shortage, but somehow a short circuit doing some damage.

I wonder if the action of pushing the USB connector moved the motherboard a fraction. Seems unlikely, but it could happen.

Are you in a position to remove the motherboard, check for positioning and then replace it?
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Rob HutchinsonDesktop SupportCommented:
Are you sure that you plugged the iPod shuffle into a USB port?

One thing you can try, if you haven't actually unplugged the power cable yet is to unplug the computer then press the power button to bleed any power from the systemboard. Then try and power it on.
Make sure that you disconnect all peripherals except the keyboard/mouse/video first.

Does your systemboard have an onboard video as well as the videocard that you installed?
Maybe you shorted the systemboard, so that the system has now defaulting to the onboard video?
If you have onboard video, try removing the videocard altogether.

Do you have another LCD you can use to hookup testing the display to the onboard video port if you have one.
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noxchoCommented:
Is the ipod still connected? If yes disconnect it. Any USB drive connected or usb stick must be disconnected as well.
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ise438Author Commented:
@WiReDNeT - thank for suggestions but I've tried all that...

I think is short circuited that what it feels like to me - is there anyway I can test the system board without component swapping.

iPod is now unplugged - basically it was a shuffle version 2.0 connected with a version 3.0 \ 4.0 shuffle USB lead..
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John HurstBusiness Consultant (Owner)Commented:
I think you can probably rule out a short circuit in the plug on the iPod. I assume you are using the Apple cable.

I think more likely:

a. an outright coincidence: Something failed at the time you plugged in the iPod.
b. connecting the iPod pushed the board.

is there anyway I can test the system board without component swapping

No easy way I know of. You probably have to replace the board if the power supply appears to be working and you can remove the peripherals.  Even testing the power supply involves removing it and testing voltages first and then load testing it.
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Danny ChildIT ManagerCommented:
you should get a post test even with the hard drive removed.  Run it with 1 stick of RAM, onboard vid if possible, no network card connected, and all optical drives disconnected.

If still no boot, try another stick of RAM only, in a different slot.  

If you're desperate, you can even boot without mouse and kbd to see if you get anything on the screen.
 - take it you've got a known-good screen!

If still bad, all you've got left is mobo, psu, and cpu to work on.  PSU is cheapest to test/swap.  CPU is most reliable.  Sometimes PSU fails take out the mobo too.
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nobusCommented:
i would first disconnect the ipod, and inspect the USB connector from shorts, or damage
if that seems fine; here my way of handling it:
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)
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Alex CookCommented:
Hi,
I would start by unplugging the power cord from the PSU and wait some 15 mins. Then reconnect the power cord and try to boot the PC again.
If that doesn’t work and the USB ports are connected by cable to the MB, please disconnect them from the MB and try to boot the PC again.
If that still doesn’t work, I would disassemble the PC and assemble it again.
Lastly, if all that doesn't work, I would swap the PSU.
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nobusCommented:
ise - what was the actual problem/solution?  i'd like to know
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ise438Author Commented:
@Nobus - Didn't actually fix the computer - I reckon something fired the motherboard - I awarded you the points as the link was helpful

Ta Ian...
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