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Computer turns on and there's a beep from the mobo, but there's no display on the monitor.

Tags:
  • Graphics
  • Computers
  • Monitors
  • Displays
Last response: in Graphics & Displays
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July 3, 2013 3:54:21 PM

It first started out with no display when I had my hdd, 2 sticks of ram, and my gpu installed with my apu and such. The heat sink fans were spinning as well. In an attempt to solve this, I took at everything except one stick of ram, the mobo, the fans, the psu, and the cpu. I turned on the pc; there was a beep from the mobo, but still no display.

I also got a small string of arctic silver between my heat sink and ram, but wiped it off gently with 91 percent isoprophyl on a coffee filter and allowed it to dry off for 15 minutes.

More about : computer turns beep mobo display monitor

a b C Monitor
July 3, 2013 4:08:22 PM

Make sure that your Monitor is configured to the correct channel. For example if you are using a VGA cable to connect the GPU and the monitor then click one of the buttons at the side or bottom of your monitor until it states the different digital formats. Make sure that your GPU is seated correctly in the pci slot. Also check that all the cables connected to the GPU are securely fastened. Unplug all unnecessary USB cables.
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July 3, 2013 4:10:16 PM

video card?
yes/no
if video card, does your card need a power from you Power Supply? is it connected?

did you checked if the monitor cable to your computer is loose?

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Related resources
July 3, 2013 4:17:56 PM

Yes I have a card and it's powered. The Cable is also not loose.

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a b C Monitor
July 3, 2013 4:20:12 PM

Yuc said:
Yes I have a card and it's powered. The Cable is also not loose.



Have you tried all my solutions?
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July 3, 2013 4:32:46 PM

Azrael47 said:
Make sure that your Monitor is configured to the correct channel. For example if you are using a VGA cable to connect the GPU and the monitor then click one of the buttons at the side or bottom of your monitor until it states the different digital formats. Make sure that your GPU is seated correctly in the pci slot. Also check that all the cables connected to the GPU are securely fastened. Unplug all unnecessary USB cables.

The only channel is VGA and the cord is transferred from DVI to VGA. The GPU is seated fine. I unplugged the USB cables. It did not work.
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a b C Monitor
July 3, 2013 4:37:19 PM

Yuc said:
Azrael47 said:
Make sure that your Monitor is configured to the correct channel. For example if you are using a VGA cable to connect the GPU and the monitor then click one of the buttons at the side or bottom of your monitor until it states the different digital formats. Make sure that your GPU is seated correctly in the pci slot. Also check that all the cables connected to the GPU are securely fastened. Unplug all unnecessary USB cables.

The only channel is VGA and the cord is transferred from DVI to VGA. The GPU is seated fine. I unplugged the USB cables. It did not work.


Do you have an adapter to connect your Monitor to the GPU? If so then you have possibly put the cable into the wrong header. Usually there are two of the same port on your GPU, one is for cable the other for adapter.
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a b C Monitor
July 3, 2013 4:41:41 PM

Did you check your manual for the 'beep' combination your hearing? You would BEST be served by READING the manual and seeing what the 'BEEPS' mean. There is a chart on it
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a b C Monitor
July 3, 2013 4:43:54 PM

one beep means everything is functioning, two is a graphical problem.
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July 3, 2013 4:49:53 PM


Tom Tancredi said:
Did you check your manual for the 'beep' combination your hearing? You would BEST be served by READING the manual and seeing what the 'BEEPS' mean. There is a chart on it


I've read the manual. There's nothing about beeps. I have 3 beeps
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a b C Monitor
July 3, 2013 4:55:33 PM

With new builds mst mb vendors set the ipgpu or onboard video as the first video output till you change it in the bios. With the monitor connected to the mb video ports do you see the bios post screen??? If not any fault led on or if your mb has led post numbers what is it stopping at. Check that the four or eight pin power plug near the CPU is connected. Also look at the bios rev of the mb and check under the mb CPU guild will the mb post with your CPU and bios rev.
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July 3, 2013 4:57:22 PM

smorizio said:
With new builds mst mb vendors set the ipgpu or onboard video as the first video output till you change it in the bios. With the monitor connected to the mb video ports do you see the bios post screen??? If not any fault led on or if your mb has led post numbers what is it stopping at. Check that the four or eight pin power plug near the CPU is connected. Also look at the bios rev of the mb and check under the mb CPU guild will the mb post with your CPU and bios rev.
No I don't see any of the bios I had 3 short post beeps. The bios type is AMI so I checked out computer hope and it said 3 means a base 64k ram failure

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a b C Monitor
July 3, 2013 5:01:19 PM

You need to look up the maker, model, etc. and get the ERROR CODE table. It is ALWAYS included if you buy the Mobo individually (either paper or on CD or on their listed website included in the manual /box). That would be step NUMBER ONE. Without that you might as well use a hammer to it to 'guess' how to fix it (four hits? 10 hits?).
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July 3, 2013 5:14:52 PM

Tom Tancredi said:
You need to look up the maker, model, etc. and get the ERROR CODE table. It is ALWAYS included if you buy the Mobo individually (either paper or on CD or on their listed website included in the manual /box). That would be step NUMBER ONE. Without that you might as well use a hammer to it to 'guess' how to fix it (four hits? 10 hits?).


I did, I had 3 short beeps mean there's a 64k ram error. I think I might check it out.
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a b C Monitor
July 3, 2013 5:30:44 PM

YEAH.... that may be the CPU then (cache onboard) but seems awefully small. CPU pins (use a magnifying glass and look down each row then column with a bright light) or just not seated in the slot properly and firmly secured to it.

Otherwise I would say the memory is the issue (did it not sit right?) or worse the CPU/Memory is fried from elctrostatic and your going to have to pay out of pocket for a new one.

Personally at this point I would have EVERYTHING unplugged and removed, start with just memory, video output say from Mobo to a screen, CPU and just power to the mobo, nothing else. If you can't get it to boot at that point (BIOS Screen) you narrowed down the defective / problem parts to focus on.

IF it works fine, but as you add on HDD, etc. suddenly problems again, then I woudl HIGHLY suggest the PSU isn't powerful enough for this build.
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July 3, 2013 6:02:10 PM

Tom Tancredi said:
YEAH.... that may be the CPU then (cache onboard) but seems awefully small. CPU pins (use a magnifying glass and look down each row then column with a bright light) or just not seated in the slot properly and firmly secured to it.

Otherwise I would say the memory is the issue (did it not sit right?) or worse the CPU/Memory is fried from elctrostatic and your going to have to pay out of pocket for a new one.

Personally at this point I would have EVERYTHING unplugged and removed, start with just memory, video output say from Mobo to a screen, CPU and just power to the mobo, nothing else. If you can't get it to boot at that point (BIOS Screen) you narrowed down the defective / problem parts to focus on.

IF it works fine, but as you add on HDD, etc. suddenly problems again, then I woudl HIGHLY suggest the PSU isn't powerful enough for this build.

I added one stick correctly, no beeps, but still no display as well as another and still no beeps. As for the CPU, I didn't have a magnifying glass, so I tried to look at every pin in high light, nothing. I hope I didn't fry my system.
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