Computer Help forum


No display, no beeps, computer isn't booting...

by ragtagkittycat / April 24, 2013 4:35 PM PDT

So, randomly, my computer decided yesterday that it no longer wanted to display anything on my monitor. At first I thought it was a graphics problem, or perhaps the monitor, and I've tried all of the following things, to no avail. There are no beeps. All of the computer parts are correctly plugged in and all the fans are running for the cpu, psu and graphics card. I believe I can also hear my hard-drive but not sure. Each time I have tried turning the computer on I have had the speakers plugged in but have heard no beeps.
I have tried:
- resetting CMOS battery
- tried resetting jumper cables
- moving graphics card to other pci-e slot
- removing ram, turning comp on with only one stick of ram, reseating both sticks of ram (my MoBo has a light that shines if there is a ram error and it is basically telling me my RAM is o.k.)
- holding power button for 1 minute while comp is unplugged
- holding power button 3 times while comp is unplugged
- does not work on second monitor with different monitor cable
- does not work on other dvi connection either (there are two dvi outputs on the graphics card and one hdmi cable)
- removing the graphics card entirely and awaiting a computer error beep, but there were no beeps

I am beginning to worry that it may be a CPU issue or something equally bad. Any ideas on what could be wrong???

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Clarification Request
(NT) Desktop? Laptop? Make?
by mchainmchain / April 24, 2013 7:36 PM PDT
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comp specs
by ragtagkittycat / April 24, 2013 8:19 PM PDT
In reply to: Desktop? Laptop? Make?

Desktop. Home-built. My specs:

ASUS M5A97 AM3+ AMD 970 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS
GeForce GTX 550 1GB 192-bit GDDR5
8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3
700W Power Supply
AMD Phenom II X4 955 Black Edition Deneb 3.2GHz Socket AM3 125W Quad-Core Processor

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The only thing that pops out
by R. Proffitt Forum moderator / April 25, 2013 12:49 AM PDT
In reply to: comp specs

Is the 550. That came out years ago so is it an old card you recycled?

Did you try it without the video card?

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graphics card
by ragtagkittycat / April 25, 2013 8:03 AM PDT

Hi Bob,
I tried starting the computer up with out the graphics card, but there is no on-board graphics output so there was no way to see if this solved the problem. I am going to have to buy another pci-e card today to test it. The card is this one:
There are no beeps coming from the MoBo as there is no internal speaker.

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That's not a good sign.
by R. Proffitt Forum moderator / April 25, 2013 8:45 AM PDT
In reply to: graphics card

I can get beeps with FOUR parts. Motherboard, PSU, CPU and the speaker. If that does not squawk in protest I am looking at only four possible bad parts. I can check the PSU with a voltmeter so I'm down to 3 parts.

I can test the speaker on something else so I'm down to 2 parts.

And let's be clear. A case is not a part I have installed at this point.
Bob shoots the electronics.

All Answers

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Re: no boot
by Kees_B Forum moderator / April 24, 2013 8:42 PM PDT

Seems to me like a motherboard or CPU replacement is the next step. You'll only know which of the 2 it is when you try.

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(NT) Agreed. AMD processors can overheat and burn up.
by mchainmchain / April 25, 2013 2:25 AM PDT
In reply to: Re: no boot
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AMD processor
by ragtagkittycat / April 25, 2013 8:04 AM PDT

I have read that it is only the older models of AMD that will overheat and fry.
The processor I have is supposed to shut itself off far before it overheats that badly.
Like I said, the computer never shut itself off... the display just stopped working randomly while the computer stayed on. There's no visible sign of frying on anything.

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cpu replacement
by ragtagkittycat / April 25, 2013 8:05 AM PDT
In reply to: Re: no boot

How am I supposed to know if it is a motherboard or cpu problem? All of the threads I have read concerning these issues say that the computer shuts itself off or spins the fans very slowly. I am seeing no issues, it sounds as though it is running perfectly, just no display.

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Re: how do I know
by Kees_B Forum moderator / April 25, 2013 5:39 PM PDT
In reply to: cpu replacement

That's why they have diagnostics (hardware, manuals) and spares at the repair shop. If you don't have such, that might need to be your next step.


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