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Computer turns on but display nothing

Last response: in Motherboards
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January 4, 2011 12:20:53 AM

My mobo is Abit at8 32x with 3 GB of ram, geforce 8800 gts, 500 watt psu and athlon FX-60. Today the unit turns on but display nothing, i've reseated the ram but it not working and i've test the video card on a different computer and it work fine. When I reset the bios with the jumper, it able to display the post screen but when you reset the computer, it doesn't display anything until you do another bios reset. I've also switch out with the spare PSU and it still doing the same thing.

I noticed that the mobo only only display 1.5 GB of ram when I've 3 GB installed and when I removed 2 GB out of the mobo, reset the bios and boot up, it only detect 1.5 GB.

When it doesn't display anything the mobo give 9.0 code and when I completely remove all the ram, it display a C1 code.

I've spent 5 hour doing diagnostic and found nothing. Please help.

More about : computer turns display

January 6, 2011 11:13:31 PM

Buy a new mobo? Cant cost that much. What 500W PSU did you go with?
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January 10, 2011 12:40:11 AM

i'm using thermal take psu.
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January 10, 2011 12:57:43 AM

As far as I can see on the net (google abit code 9.0) it is a bios checksum error. Is it possible that your motherboard battery is flat and causing this?
Here is one of the threads I read http://www.techspot.com/vb/topic35113.html
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January 13, 2011 11:04:03 PM

Agreed. Hope that forum helps fix the motherboard you have already.
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