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pc problem - weird

S

szman86

n00b
Joined
Aug 14, 2002
Messages
62
I usually leave me computer on most of the time, but the other day I shut it down for a few hours, when I went to turn it on it didnt completely turn on, but started to pulse. I knew it was pulsing because my Epox mb with the digit code leds at the bottom was pulsating on and off, and all my fans were as well. I tried unplugging everything but the gc and nothing changed. I'm completely lost as to what the problem is. Please help.

ep-9nda3j
antec true 380w ps
geforce 6800 gt
anything else that would be helpful?
 
What kind of code did the motherboard give you, usually you can look in the manuel, or go to the m/b website and it would tell you there. Also try taking out the power button wire to the m/b and use a screw driver or something to see if you can start it that way, try another power supply, or take everything out that you dont need (extra ram, sound cards, etc....) only use the basics for starting up.

Good luck :)
 
its the basic startup code "ff" thats flashing which doesnt say anything about the problem. It doesnt even start to boot up just pulsates off/on somewhat randomly.
 
Just guessing here but it sounds like a short in one of your wires. Try removing the power button wire and touch the spot on the motherboard where the power button wire goes into with a screw driver to turn it on. And see if it has the same problem.
 
Ok this is what I tried today: I bought a new ps from best buy and hooked it up. At first it didnt work at all, and then it started working but would only post and then shut off after about 3 seconds (its not pulsating anymore). IWhen I was fiddling around I noticed that the bottom of my motherboard was very hot. Just to the right of the bopttom 2 pci slots. Its a pretty big area so I'm not sure what specifically is hot. Now that I think about it while playing games I get artifacts frequently when I'm not overclocked. I wonder if its my mb, but its fairly new (few months).

Does anyone have anymore ideas cause I'm all out of them?

P.S. I'm sure my power button is working fine cause it does the same thing when I use a screwdriver.
 
There are 3 types of FF. Normally working Fully Functioning ff, and 2 where there is problem:

TypeA:
Unplug the motherboard from PS connector, pull out CMOS jumper, and turn off powersupply in the back, and let it rest for 5 min, put jumper back, turn computer on, and immediately after it goes on hold down INS. If you get into BIOS you're home free... if you still get the problem press reset while still holding INS key. I had to try this 4 times (the whole process) for it to work. Can't explain exactly why this is. Seems there might be some charge left in capacitors... retained in either the PS or motherboard... but I found this worked.

TypeB:
However, if there is no sound of drives spinning up or monitor never seems to be returned from standby, or no response in keyboard lights for ScrollLock/NumLock/CapLock, then you are truely screwed. Try a different power supply, make sure everything is properly connected. Take appart everything, and rebuild it on plastic grocery bag (remember to ground yourself before touching anything). Plug in only Power Supply, CPU, mem, and pci video card to your motherboard (no floppy, CD, DVD, HDD, AGP, sound, extreneous fans, network etc). If you still can't get any POST, then your motherboard is official DEAD. My heart goes out to you.


Hope that helps
 
Only thing left I can think of is maybe the mobo is touching metal. You ruled out the PSU so there isn't much left to troubleshoot. Yeah I would just go ahead and contact Epox.
 
ok i did what you said and it worked for a short time. It was weird cause I pushed the power button repeatedly and nothing happened then about 10 seconds later after i tried turning it on with a screwdriver and set the screwdriver down it turned on by itself without me trying to start it. I then got into the bios for a short time and i checked the temps and everything seemed fine and then it shut off after about 30 seconds. I noticed that the code for the led was "7f" (i think) I' looked it up and it said:

1. switch back to text mode if full screen logo is supported (it isnt)
2. IF no erros occure or f1 key is pressed to continue: "clear epa or customization logo"

This means nothing. I now think its a heat issue for something on the motherboard and by doing what you said and waiting it allowed the mb to cool off and then allowed me to start up the computer for longer until it overheated again and shut off.

Any ideas?

I'll try pulling the mb out and running it by itself without touching metal, i dont think thats the problem but its worth a shot.
 
Most likely the chipset overheating. Maybe dust in between the heat sink and the chip. If still overheating then contact epox. Yeah i'm all out of ideas.
 
pettybone said:
Most likely the chipset overheating. Maybe dust in between the heat sink and the chip. If still overheating then contact epox. Yeah i'm all out of ideas.
Click to expand...
I doubt the chipset is overheating that quickly.
My guess, and this is from a smilar issue i had once with my P5GD1 mobo from asus, is you have a grounding or EMI issue (basically the same thing....different names)....try taking your mobo OUT of your case, place it on a cardboard box or if you have it, the anti-static bag. plug in the power....hard drive...and power button...hell plug in everything if you want to.....and hit the switch.....see what happens.
Sometimes this happens when you have too many screws in your mobo (like i did)...now i only have 4 in there just to hold it in...and i use the washers too. Anywho, if it posts then your golden, try putting it back in with washers between the screws and the board (the paper ones)..and use as few screws as possible...and make sure nothign metal is touching it.
Good luck, keep us posted.
HAH, i crack myself up.....posted.....
good luck
 
I can get into the bios and the post screen appears (only if i disconnect everything and wait a few minutes) but after a few seconds it turns off. Also whenever I get it to turn on its never when I hit the button its always a few seconds after I hit the button. Most of us probably know the way our computer sounds when it turns off, mine when its normal has a click and a sudden off. Now, when it turns off its a quiet "slow" off like it fades out very quickly like if you were to pull the power cable out as opposed to shutting it down normally. This makes me think somethings overheating or not receiving enough power.

I tried conteactin epox through their "ticket" system, we'll see how well that works... :(

???
 
szman86 said:
I can get into the bios and the post screen appears (only if i disconnect everything and wait a few minutes) but after a few seconds it turns off. Also whenever I get it to turn on its never when I hit the button its always a few seconds after I hit the button. Most of us probably know the way our computer sounds when it turns off, mine when its normal has a click and a sudden off. Now, when it turns off its a quiet "slow" off like it fades out very quickly like if you were to pull the power cable out as opposed to shutting it down normally. This makes me think somethings overheating or not receiving enough power.

I tried conteactin epox through their "ticket" system, we'll see how well that works... :(

???
Click to expand...
This sounds like RMA time. Sounds like a loose connection somewhere....since its fading away. Im not all up on logic boards ( i have a few friends that work for a company that build custom powerpc boards though)...but i do know electrical connections, and it sounds like one of yours is crapping out. Once again, i doubt its a cooling issue since it happens so fast, but i guess it wouldnt hurt to poke around with a high tech thermometer...
im voting call the manufacturer.
Good luck
 
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