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One Red Debug LED On


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OK, so I was using my computer today when it shut off randomly. I try to turn it back on and I notice that it doesn't boot up anymore (doesn't even show the LanParty splash screen). I notice theres the debug LEDs. At first, when I turn on the system on, there are 4 LEDs on, the fourth one flashes on and off while the other three stay (this happens for a while), then it stops flashing, the third LED stop lighting, the second LED stops lighting, then the computer makes a long beep noise (same noise but longer than the beep noise that would usually occur when the comp was working when I booted it up), and only the first debug LED remains on. The computer stays with the power on but nothing is happening, while the first debug LED is on the whole time.

 

Can anyone help with this?

If I need to replace a part, which part do I need to replace?

 

My hardware is

2x512MB RAM from OCZ

AMD Athlon 64 3700+ Processor

ATI X850XT

CoolerMaster Real Power 550W Power Supply

SoundBlaster XFi

Some WD Harddrive (forgot the name)

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Heres what I tried so far:

 

I switched my 2x512MB ram from the orange slots to the yellow slots, still same thing

I tried CMOS clear for about 12 hours, still same thing

I moved the videocard down one slot, still same thing

I switched the port that my monitor was connected to, still same thing

 

Also, here's what I notice with the fans. The comp first turns on, all the fans (vidcard, mobo, cpu) are running. The 4th LED flashes for a while, then it just goes to the single LED, which is when it makes the long beep noise. That's when the mobo and cpu fans turn off. The vidcard fan is still running though.

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I just recently had the exact same probs as you, except the last part you detailed about the mb and cpu fans turning off, mine stayed running.

 

Switching my gfx card to the lower slot solved my prob, until then I was suspecting either gfx or psu, was about to try a diff gfx card 1st, even an old pci one would suffice, then test psu w/digital multi meter and a minimal build outside of case

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I just recently had the exact same probs as you, except the last part you detailed about the mb and cpu fans turning off, mine stayed running.

 

Switching my gfx card to the lower slot solved my prob, until then I was suspecting either gfx or psu, was about to try a diff gfx card 1st, even an old pci one would suffice, then test psu w/digital multi meter and a minimal build outside of case

 

Ya I saw what you posted in another thread so I had already tried switching my gfx card to lower slot, but that didn't work

 

Since my fans turn off, you think I'd have to replace the mobo or something?

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Guest Blooz1

1 LED on = VGA detected ok, system is entering bios.

 

When you cleared the CMOS, did you remove the battery?

 

Here is the "official" method of clearing the CMOS from a "no boot" condition:

http://www.diy-street.com/forum/showpost.p...04&postcount=24

 

Be sure to follow all the steps exactly - if you skip or miss any steps, you'll have to start over since it won't work!

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I followed these directions the DFI tech support gave me to do a CMOS clear , and it didn't work:

1. pull power *A/C Power from wall outlet*.

2. pull battery

3. clear cmos jumper to pins 2 and 3 for minimum of 30-60 seconds *For Real troublesome systems use 8 hours*.

4. replace battery

5. replace cmos jumper to normal position pins 1 and 2.

6. replace power *A/C Power from wall outlet*.

7. boot to bios and load optimized defaults

8. save and exit

9. boot back to bios and now you can change settings to your liking. *Is what we are trying to get to*.

 

Thanks, I will try that way you linked me tomorrow and see how it goes.

 

BTW where is the PC Speaker jumper and whats it look like?

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Hello,

 

Make sure that you have all 4 power connectors plugged into the board.

- 24pin ATX

- 4pin +12v P4 connector

- Molex under the CPU socket

- Molex on top the chipset fan

 

Use 1 memory stick and place it in the top orange slot.

Remove the gfx card/unplugged power connector

Remove the X-Fi

Remove all the IDE cables/SATA cables

Remove all power cables from hard drives/CD drives

 

Power the PC like that.

What happens? (with the LEDs)

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Ya too old for warranty

 

Gonna buy a 7800GT for cheap from a friend.

 

Maybe I'll upgrade to a nicer card soon though, like HD3850, thats pretty cheap and gives a pretty noticeable improvement in performance. I haven't really looked into it though, but would a PCI-e 2.0 card like that work on my mobo?

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