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Author Topic: starts and shutdown after 5 sec (solved)  (Read 1834 times)
Paraord78
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« on: March 10, 2008, 12:17:52 AM »

Hi guys...

When I press power, my comp starts and shut off after 5 sec.  Got this issue a month ago and moved my graphic card to another slot and got it to work again, but now, nothing.  I've tried clearing the cmos and got nothing other then shunting off after 5 sec instead of 3.  All fans turn and hd spins.

The system:
Asus m2n-sli dlx
AMD 6000+
ATI hd2600 xt
Mushkin 580W


Please help!!!

« Last Edit: March 15, 2008, 12:20:12 PM by Paraord78 » Logged
redaxe
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« Reply #1 on: March 10, 2008, 12:45:36 PM »

Is the CPU overclocked at all? If it is, it may have been OC'd too much.

If not, then check if the CPU is sitting securely in it's slot and the cooling is properly seated as well, i.e. Heatsink sitting securely on top of the CPU and the fan bracket properly fastened to it's natural place on the motherboard.

Then report back.
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Paraord78
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« Reply #2 on: March 10, 2008, 03:30:15 PM »

No, CPU is not OC...

Everything is in it's right place.  Heatsink is contacting CPU.
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Paraord78
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« Reply #3 on: March 10, 2008, 08:51:54 PM »

Ok,  I've tried taking it all apart.

Place the mobo on cardboard and only installed 1 ram, 1 hd, cpu (with HS) and video card.  Same problem.

Installed only 1 ram, cpu (with HS).  Same problem.

Removed the CPU.  Stays on for 10 sec then shutoff.

So, I think I'm left with 4 choices, PSU, CPU, ram or mobo.

By the way, I have two 1G ram sticks, tryed each one in all slots, nothing.

thanks
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redaxe
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« Reply #4 on: March 11, 2008, 11:31:50 AM »

See what happens if you put only cpu, psu and hdd on the mobo, leave out the RAM completely.

This is one way to decide if the RAM is in good health. If you have the same problem, considering beep codes, then you have eliminated the RAM as a faulty component. and you are down to three parts. Then test the PSU in a different computer, to see if you get the same problem there. If it's all OK, then you've narrowed the problem down to CPU and Mobo.

Then report back and good luck Smiley
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Paraord78
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« Reply #5 on: March 11, 2008, 11:19:06 PM »

I've tired without the ram, same thing.  The thing that bugs me is that without the cpu, it runs for twice as long befor shutting off.  And another thing, if I hold the reset button, it does not shutoff, it does'nt boot either, but shuts off only when I release the reste.

I'll try to check the psu, but my other computer has a 20 pin connector, not a 24 like my psu.  Is there a way to check with a volt meter?

thanks
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Paraord78
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« Reply #6 on: March 11, 2008, 11:50:32 PM »

I've now tried my PSU in my 20 pin board.  It boots fine. 

I receinved an answer from ASUS, here what it saying:

Make sure internal speaker is attached.

1. Pull out all ram. If you get a beep of one long 2 short move to step 2. if not move to step 1B.

1B. Your CPU is not initializing which can only be caused by power supply,cpu,motherboard or grounding. You will want to pull the board out of the case and clear the cmos to try to get the beep again. if not make sure your cpu is supported at http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us. If it is supported then the best thing to do would be to try a different PS or CPU if you can, if not set up a RMA for the board at 510-739-3777 opt2. Also make sure your 4 or 8 pin ATX 12V is connected and make sure your PS has enough power by using our PS calculator at http://support.asus.com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us or referring to the DC OUTPUT REQUIRMENTS below.

Since I don't get any beep, I guess the problem is related to the CPU initializing.  With all mentioned test I did, do you guys think it's the cpu or mobo?

I'll repeat just to help follow:

Try the psu in a 20 pin mobo, works
1 month ago, ad the same problem and solved it by changing vga card to another slot.
Tryed with mobo on cardboard and nothing more than the psu, cpu attached, nothing.
Tryed with different ram sticks, nothing.
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XoGrind
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« Reply #7 on: March 15, 2008, 02:53:51 AM »

AHAHAHAHA I feel for you man, I had the same problem but I found a solution, I got a new computer Wink
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Paraord78
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« Reply #8 on: March 15, 2008, 12:19:29 PM »

Got it... The mobo was done, changed it and it works better then befor.
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