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PC wont get to POST

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  • Motherboards
Last response: in Motherboards
April 4, 2010 8:59:53 AM

Hi everyone,

I have a computer at the moment which will not POST.

I have disconnected everything from the main board except the PSU and the CPU/HSF. I have tested the PSU with a reliable one and it boots another system fine. So we can cross that off the list to check. I have got the main board power connector plugged in and the 4-pin CPU power connector plugged in and that is it.

The leds and fans spin up however nothing displays on the monitor and no beeps are heard from the motherboard either.

So i am led to believe from reading several posts on the forums here that the motherboard could need replacing??

Any help would be much appreciated.

Thanks in advance

More about : wont post

a c 436 V Motherboard
April 4, 2010 9:59:37 AM

Yes, a new board will probably get your system going. Look for the same brand and/or chipset if you want to try and save your old files. Have you tried removing the board battery to reset the bios?
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April 4, 2010 10:03:27 AM

Hi o1die,

Thanks for your post and Yea i am aware i need to find the same model board if i want to boot from the hard drive without having to reformat the drive beforehand.

I have tried removing the CMOS battery and the same problem still remains so it seems like a new board is in order.

Wonder if anyone else can shed anymore light on the matter?
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Best solution

April 4, 2010 10:14:15 AM

In order to POST successfully you also need to have your RAM installed. It will never post with no RAM in the machine. It could very well be that your RAM is the issue here. If you have several sticks in your system try booting with just one installed. Try this in every single slot on your motherboard and then swap and do the same with your other stick. This will eliminate the possibility of a bad RAM stick since both are unlikely to be bad.

You may also want to ensure that your heatsink and fan unit are mounted properly. It's not likely, but I have seen some systems not boot because of small things like this that are often overlooked.

It may also be worth you having a look over this guide:

http://www.tomshardware.co.uk/forum/261145-13-read-post...

It's a very good guide to basic boot issues etc. and may just help you identify any other issues it could be. You want to be sure its the motherboard before you shell out and buy a new one. Even if it takes you a while to go through all these at least your 100% its not something else! Hope this helps and good luck!
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April 4, 2010 10:21:19 AM

Hi moody,

I have already read that post on the booting issues and checked the majority of things.

However i will put a stick of ram in and see if that makes any difference. Ill post back soon.

Thanks
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April 4, 2010 11:03:30 AM

Moody!

Turns out one corner of the the HSF wasnt pinned down properly and now the system has booted!

Thanks alot for your help.

This problem is solved.
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April 4, 2010 11:04:03 AM

Best answer selected by davey1990.
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a c 156 V Motherboard
April 4, 2010 4:10:15 PM

Hey, davey. Glad you found the problem.

davey1990 said:

I have already read that post on the booting issues and checked the majority of things.

And now it's hindsight for you, but this is why we tell people to check everything when we refer someone to the "boot problems" sticky.

"Improperly installed heatsink" is one of the things on the list.
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