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Did you check your monitor with other system or individually. If it
works fine in these conditions then the issue belongs to your pc. First
of all, you have to confirm that is it the problem of VGA itself or the
motherboard. For this, you have to see that does system beep when you
start it because system with beeps having the error and the beep sound
with continuous or 2-3 beeps relate with different issues. I am going to
write down the beep conditions.
1 short beep
Normal POST - system is ok
2 short beeps
POST Error - error code shown on
Power supply or system board problem
Power supply, system board, or
Repeating short beeps
Power supply or system board problem
1 long, 1 short beep
System board problem
1 long, 2 short beeps
Display adapter problem (MDA, CGA)
1 long, 3 short beeps
Enhanced Graphics Adapter (EGA)
3 long beeps
3270 keyboard card
Does it have any beep sounds on switching on( some computers won't produce beep sound) or does your monitor is not getting any signals from computer even though it is ON and has shown any message or menu screen of Monitor functions then, You will be having a faulty RAM or your Graphic port has some hardware malfunction.Or it can be also from a new unsupported hardware installation that will prevent computer from booting up.
If your monitor does not provide any of the above monitor functions successfully then It would be a monitor problem. Check wires or cables of monitors or contact nearby technical support
I still did not find beep code that match your problem..
Anyways here are the common beep codes for your motherboard.. it might help you too. 1. No beep - no reaction, the mother board is dead, power supply problem, processor and or ram problem. 2. 1beep - board is working fine. 3. One long beep then it shuts down - cpu problem, your processor is not working or missing. 4. 1short beep - system boots normally 5. 2short beeps - CMOS setting error. 6. 1long 1short beep - dram error 7. 1long 2 short beep - video card or monitor not connected 8. 1long 3 short beep - keyboard error. 9. 1long 9short beep - ROM error 10. Long beep - memory card is missing or not connected 11. Short beep - power supply error 12 Four beeps - there is no fan detected on Fan1 or Fan2 header. make sure to attach or reset CMOS bios to factory setting.
Using the manual for the Gigabyte GA-945P-S3 MB.
Go to page 71 & you'll see bios beep codes for your board:
AWARD BIOS Beep Codes
1 short: System boots successfully
2 short: CMOS setting error
1 long 1 short: DRAM or M/B error
1 long 2 short: Monitor or display card error
1 long 3 short: Keyboard error
1 long 9 short: BIOS ROM error
Continuous long beeps: DRAM error
Continuous short beeps: Power error
As you can see there isn't a code for three short beeps.
When you boot your system try to pause your boot up screen. See if the bios is reporting the correct total of memory in your system.
Bios codes from the link below.
3 beeps for the AMI bios code reports Base 64K RAM failure. You can test your memory. Go to memtest.org Scroll down the site to just under the three screen shots. Download Memtest86+ V2.11
You have a choice in making a bootable floppy disk or a bootable CD-ROM disk. Once completed you boot your system to the testing program. Memtest will check your system memory.
This should help.
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