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Motherboard Beeping and Monitor Unresponsive on Power Up


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#1 sg55

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Posted 06 April 2012 - 01:16 AM

After installing a new optical drive, my monitor was not responding after CPU was turned on. After restart, I hear three beeps, pause, then continuous beeping (all about 1 second long). The USB ports on the back of the tower just below the VGA port are also not giving any power to the things I have connected to them.

I have reseated all connections, taken out the CMOS battery, tried running with 1 of the two RAM cards and have tried to power on with all drives disconnected and the same beep pattern occurs on all restarts.


-------------------------------------------------------------------------------
Motherboard: Gigabyte GA-G31M-S2L(rev. 1.0)
CPU: Intel Core 2 Duo
OS: Win 7 64-bit SP :
Memory Brand : Corsair 2x2GB DDR2

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#2 Abama

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Posted 06 April 2012 - 08:00 AM

wait are you getting one long beep and 2 shorts?

#3 Artrooks

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Posted 06 April 2012 - 08:54 AM

sg55,

According to your motherboard manual, here is an explanation of beep codes: http://download1.gigabyte.ru/manual/motherboard_manual_ga-g31m-s2l(s2c)_e.pdf.

See Page 79.
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

You could try and reinsert the graphics card and reattach the monitor.

Regards,
Brooks



 


#4 sg55

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Posted 06 April 2012 - 09:51 AM

Abama, All of the beeps are the same length and it's always three, then a pause, then continuous.

Artrooks, it is an on onboard graphics card. Can that still be removed? I can't see an easy way without taking out the motherboard.

Thanks for your help.

#5 Artrooks

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Posted 06 April 2012 - 12:33 PM

it is an on onboard graphics card. Can that still be removed? I can't see an easy way without taking out the motherboard.


No you're right, you can't easily remove it. I'm sure you checked that the monitor cable is securely screwed into the graphics port.
Also make sure nothing was accidently dislodged when you installed the optical drive.

Edited by Artrooks, 06 April 2012 - 12:36 PM.

Regards,
Brooks



 


#6 Abama

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Posted 06 April 2012 - 01:14 PM

so far i found out that your prob could be the keyboard? =/

Beep Code Description
No Beeps No Power, Loose Card, or Short.
1 Short Beep Normal POST, computer is ok.
2 Short Beep POST error, review screen for error code.
Continuous Beep No Power, Loose Card, or Short.
Repeating Short Beep No Power, Loose Card, or Short.
One Long and one Short Beep Motherboard issue.
One Long and Two Short Beeps Video (Mono/CGA Display Circuitry) issue.
One Long and Three Short Beeps. Video (EGA) Display Circuitry.
Three Long Beeps Keyboard / Keyboard card error.
One Beep, Blank or Incorrect Display Video Display Circuitry.

Source:Computer POST and beep codes

Edited by Abama, 06 April 2012 - 01:19 PM.


#7 sg55

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Posted 06 April 2012 - 03:40 PM

I'm using a Bluetooth keyboard that's connected to the monitor so It's not that.

I have reseated all the cables/drives/memory, etc. I'm guessing I may have static shocked the memory or the motherboard. I thought I was careful to keep myself grounded while working on it, but who knows. I just order replacements for both, so we'll see if that fixes it (ordered an anti-static wristband too).

Thanks again.

#8 Abama

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Posted 06 April 2012 - 10:02 PM

so its all good?

#9 sg55

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Posted 06 April 2012 - 10:25 PM

Not yet, I am replacing the motherboard and/or RAM tomorrow to see if that fixes it.




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