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Nothing shows up on monitor when computer is on--2 long beeps


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#1 alvinz95

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Posted 12 September 2010 - 01:59 PM

I have a problem with my computer in which nothing shows up on the monitor and the computer makes 2 semi-long beeps that never happened before. The monitor is guaranteed fine. My motherboard is Gigabyte MA790X-UD4P, and my video card is a Sapphire Radeon (not sure of the model). I looked for the beep codes for Gigabyte, and nothing really matched, though I do think it is a video card problem. When I start the computer up, the video card shows 2 red flashes shortly.

I could upload a video on what happens if that is necessary.

What can I do to fix this?

Edited by alvinz95, 12 September 2010 - 02:00 PM.


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#2 MrBruce1959

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Posted 12 September 2010 - 05:11 PM

Hello and welcome to Bleepingcomputer.

Let me get your GA-MA790X-UD4P motherboard support page up here for you.

http://www.gigabyte.bz/products/product-pa...038&dl=1#ov

Be back shortly, I need to check through some documents before I post further instructions.

Kind regards.

Bruce.
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#3 MrBruce1959

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Posted 12 September 2010 - 05:37 PM

I am providing a link to a pdf document of your owners manual.

http://download.gigabyte.us/FileList/Manua...790x-ud4p_e.pdf

Look at section 1-5 page 18 for expansion cards.



BIOS BEEP CODES


Q: What do the beeps emitted during the POST mean?
A: The following Award BIOS beep code descriptions may help you identify possible computer problems.
(For reference only.)
1 short: System boots successfully
2 short: CMOS setting error
1 long, 1 short: Memory or motherboard error
1 long, 2 short: Monitor or graphics card error
1 long, 3 short: Keyboard error
1 long, 9 short: BIOS ROM error
Continuous long beeps: Graphics card not inserted properly
Continuous short beeps: Power error


Bruce.
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#4 alvinz95

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Posted 12 September 2010 - 05:52 PM

Thank you for your answer!

I'm pretty sure I installed the video card correctly, as it worked just fine for the past year, except suddenly yesterday, the monitor stopped receiving signal from the computer. I realize now that it is actually 1 long and 2 short, which would be a monitor or graphics card error, which I'm pretty sure is the graphics card. Do I need to get a new graphics card?

Edited by hamluis, 12 September 2010 - 07:54 PM.
Removed unnecessary quote ~ Hamluis.


#5 MrBruce1959

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Posted 12 September 2010 - 06:00 PM

Recheck that graphics card again, I really hate to see you throw this card in the scrap pile if it is just that it wasn't seated all the way in the slot.

Trust me, it happens, we think it is making full contact, when it isn't

The card may also need to be reseated, just for the sake of....maybe corrosin...maybe heat caused a contact to become intermittent.

You say everything was fine and then, boom! No video, this can be the cause.

If this fails to resolve the problem, then yes...your video card may have failed.

Requiring a replacement.

Bruce.

Edited by MrBruce1959, 12 September 2010 - 06:01 PM.

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#6 abauw

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Posted 13 September 2010 - 07:33 AM

you could check your mainboard slot...agp/pci express slot...
a couple month ago my computer display goes artefak and I think its because the vga card...buy a new cards and experience same problem...RMA it 3 times and just realize that one of soldering iron under the slot have burn sign...I cant see directly from a couple angle...only from very close view I could see that burn sign...and now my mainboard is gone...

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