Computer Help forum


computer upgrade fail..

by flavel / March 8, 2013 5:48 AM PST

I bought a gigabyte GA 990 FX motherboard and an AMD4100 four core CPU to replace a gigabyte 880 motherboard with an AMD 1055 6 core CPU (which worked fine,just wanted more speed) but the computer won't boot,it goes until the screen flashes blue briefly then it turns off. This is the second set of components that I have tried with the same results,any suggestions or help?

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All Answers

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Beep codes? Power supply? DIMMs? Wiring?
by wpgwpg / March 8, 2013 6:01 AM PST

Have you checked all these things? If you have more than one DIMM, try removing one. Have you tried booting from a CD? What kind of power supply do you have? Hard drive?

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Yes tried all you suggested
by flavel / March 8, 2013 8:37 AM PST

I exchanged the memory;didn't help.I'm not sure how to boot from the cd,the power supply is a Rosewell 600 watt.
The harddrive is a 2 terabyte Westen Digital. I can put the old motherboard and cpu in and it works fine. I don't get
what's happening.

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That's a clue!
by R. Proffitt Forum moderator / March 8, 2013 8:44 AM PST

When folk swap motherboard they sometimes find an EXTRA mounting stud shorting out the back of the motherboard.

Be sure!

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I'll try that and get back
by flavel / March 8, 2013 8:45 AM PST
In reply to: That's a clue!


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Did you reinstall Windows with the new mobo & CPU?
by wpgwpg / March 8, 2013 8:46 AM PST

When you change a mobo & CPU, you need to reinstall Windows. If you didn't, that's your problem because different mobos require different drivers. To boot from a CD or DVD, you put the disc in the drive and press the key for boot configuration (most often F12), or you can press the key to get into the BIOS setup and change the boot order so that it boots from the DVD/CD drive first.

Good luck.

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I'll try it....
by flavel / March 8, 2013 9:14 AM PST

I'll try this and see what happens,the last time I upgraded, I didn't have to do that, but it may be different this time.
I'm going to let it rest for the night and try again tomorrow, thanks for your help.
I had overclocked my old system, would that make a difference?

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Re: Overclocking
by mchainmchain / March 8, 2013 5:12 PM PST
In reply to: I'll try it....

Overclocking stresses hardware components, primarily via excessive heat production beyond specs, and will shorten expected life expectancy over normal default settings and use.

One hardware component that would be affected by overclocking would be your psu.

Try the out-of-the-box setup with your motherboard on a static-mat or table and see if it will boot; that way you can determine if it is a short from an extra mounting stud in your computer case.

Follow safe practices and use anti-static safeguards when handling any computer hardware.

Booting here is simply the POST and BIOS screen only is displayed on your monitor and stays on.

Follow wpgwpg's advice about re-installing Windows following a motherboard/cpu change.

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by flavel / March 21, 2013 12:10 AM PDT
In reply to: Re: Overclocking

I finally got squared away with my motherboard and cpu upgrade and after re-installing windows and all my software,it works fine.
Thanks for your help,every time I do something like this,I learn a little more. I don't know what it takes to
avoid all the trauma with computers except maybe taking a course on computers somewhere,but I don't
know if anyone ever knows it all.
Anyway thanks for your advice,

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