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Computer powers on but nothing happens.


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#1 Doug E Fresh

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Posted 01 February 2011 - 08:41 AM

The computer made a loud beeping noise all of a sudden and the screen went black. When I reset it it sounds like it's booting up and the tower lights up but nothing happens. I have two monitors so I doubt they went bad at the same time. Any ideas? I'm going to swap out the mobo battery but have no clue if that'll help, I just don't know what else to try. Any help is appreciated.

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#2 rigacci

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Posted 01 February 2011 - 09:40 AM

I doubt the Mobo battery will help but it's good to replace them occasionally (every 5 years).

You say it appears to be powering up? Can you hear the HD spin up as well as the fans? Does the HD LED show activity (flickering)?

Do you have a video card? Or onboard video? If it is hooked up to the on-board, you might try installing a very simple, basic (maybe PCI only) video card.

If you are using a video card, try the on-board video or replace it with a different one.

I hope this helps.

DR

#3 Doug E Fresh

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Posted 02 February 2011 - 12:39 PM

It powers on and the power button lights up, but that's it. Not sure if the hd spun as I couldn't hear it over my loud external. not sure about the fan either, but I'll check both. Pc is in my trunk and my boss is gonna help me, hopefully, fix it.If it's the hard drive I sure hope win 7 backup did it's job well.

#4 Eyesee

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Posted 02 February 2011 - 02:25 PM

If it is in your trunk make sure that it comes up to room temperature for about half an hour before turning it on

Take it down to bare bones. Remove the video card, if present, like Rigacci suggested and any other cards
Disconnect the power leads and data cables from both the cdrom and hard drives. See if you get video then.

Also reseat the memory
In the beginning there was the command line.

#5 Doug E Fresh

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Posted 02 February 2011 - 02:35 PM

Thanks, good idea considering it's 79 out today. I sure don't miss NJ on days like this.

But, anyway, I pulled out one of the pairs of RAM and the computer now boots. I have 4 1GB sticks, and I guess they're matched pairs. I'm gonna try swapping them around next to see what happens. I see the video card fan is spinning, so that's a good sign... I guess?

#6 rigacci

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Posted 02 February 2011 - 03:15 PM

Sometimes it is a simple as reseating your RAM. You might also want to run a memory check.

Here is a link to one of the best.

http://www.memtest86.com/

You will need to download it and create a CD from it as per their instructions.

DR

#7 Eyesee

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Posted 02 February 2011 - 03:50 PM

How about sending us some of that 79 degree weather?
In the beginning there was the command line.

#8 Doug E Fresh

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Posted 02 February 2011 - 03:50 PM

Well, I swapped the RAM around every which way and it worked every time. IDK why but I'm thankful as everyday without the computer I fall behind on work.

I want to try the Memory test, but I'm not sure which version to download. I have the computer dual booted with Ubuntu and Windows 7, so which version should I get? The computer boots Ubuntu by default.

How about sending us some of that 79 degree weather?


Ha. If I could only bottle it.

#9 rigacci

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Posted 02 February 2011 - 04:20 PM

I believe the mem test runs on a Linux disk. It self boots.

From their website:

Memtest86 is a standalone program that does not require or use any operating system for execution. The version of Windows or Linux being used is irrelavent for execution. However, you must use Windows or Linux to create a bootable CD, Floppy or USB key. The Windows and Linux packages are identical except for the installation methods. Memtest86 supports 64 bit CPUs.


So the different versions are strictly for which system you will use to make the self-bboting disk on.

DR

#10 Doug E Fresh

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Posted 02 February 2011 - 05:20 PM

Oh, sorry. I should have actually read a bit before asking, but I'm at work so I was trying to be stealthy. Figures I'm on a Mac right now, so I guess this can wait until later. Thanks for the help.

#11 Doug E Fresh

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Posted 07 February 2011 - 05:04 PM

Is there any way to do something about the heat that pours out of my PC? I keep the insides pretty dust free, but it blows out so much hot air, it's like a little space heater.

#12 Bill253

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Posted 07 February 2011 - 05:27 PM

Duct it out to 'the middle of Kansas'! :hysterical:

No, seriously - keep the insides clean and be glad the heat is being blown out.

There's a windows based program called SpeedFan that you can use to monitor temperatures if you'd like. I picked it up off this site from someone's suggestion - wish I could remember who. It's available here , among other places.

#13 Doug E Fresh

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Posted 08 February 2011 - 02:18 PM

Ha. I'll check that out. I wish I had splurged and added the water cooling to this thing when I bought it four years ago. If that was even an option.




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