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Startup issue (sort of)

A

a_kraker99

Weaksauce
Joined
Aug 12, 2008
Messages
85
I am having a weird problem where if I shut down my computer and turn it on it will start for about 1/2 second and then shutdown. Then it will start up by itself after a few seconds and run fine. I am not sure what I should be looking for. Could it be a power supply issue? See my specs below. It does this with and without an overclock. Thanks.

Foxconn P45A-S Motherboard
Intel Q6600 @3.0ghz 333FSB
4GB G-Skill DDR2 1066mhz@800mhz (Yes I know, It wont run stable at 1066) 5-5-5-15
ZOTAC 8800gt
2 x WD 80gb in RAID0
Coolermaster 750-watt PSU
Vista 64-bit
 
Rydawg5143 said:
is it resettign your overclock when it restarts?
Click to expand...

Nope. It has done it since the first time I started the computer. Actually, the first time was worse. It started up and shut down about 4 or 5 times before it would stay on. Each time it would stay on a little longer until it stayed on. No problems at all after it stays on. I hae seen a few other forum posts with people having this problem but never seen a solution.
 
Possibly a short? Check your front panel connectors. Worst case you can setup the mobo outside the case and see if it still exhibits the problem. If it doesn't then you have a short somewhere in your case.

If you have an extra PSU to try, you could do that too.
 
Wouldnt it just never start if it were a short? Anyways, I will try out a differnt PSU when I get home.
 
Also, remove the motherboard from the case and try starting it from outside of the case. There might have been a loose screw or a misplaced motherboard header that could have caused a short inside the case.
 
Will do. If that isnt the case then could it just be a bad PSU or other component? I want to get a nice list of possibilities before I start trying differnt things.
 
If you want "a nice list of possibilities," follow the basic troubleshooting steps listed in the GenHard FAQ. They should help narrow down the potential issues.
 
ahhh. The stickies. Sorry, I never look at those. My eyes usually just tune them out. Thanks.
 
Are you using an ancient case or switch? slim chance but the old ones sometimes had toggle on/off switches that would turn a modern computer back off after a few seconds.
 
Sounds like a double boot issue to me. The double boot issue occurs with some Intel P965, P35, and even P45 motherboards. Usually a BIOs update fixes it. But even it doesn't, don't worry about it. The double boot issue is just an annoyance and not a serious hardware problem or threat.
 
Danny, do you have more info on the double boot issue and what causes it? I have the latest version of my motherboards BIOS. That would make me feel much better if I knew I didnt have a failing motherboard or PSU.
 
the double boot is sometimes on purpose. Sometimes some IC's wont work properly unless warm (i.e. cold boot issues) so they boot initially to warm up the IC's then restart the computer so that everything initializes properly.
 
integrated circuit =)

but you are partially correct, the intel chipsets do use multiple IC's i.e. PLLs (clocks) DACs, etc

sorry for the 3 letter acronyms, i blame my background in EE
 
The 2 seconds that people save by typing acronyms usually takes up about 5 minutes of my time searching google and trying to think what they stand for. Ha. Just kidding. Thanks for your help!
 
The max VCore is 1.5V. So whatever voltage you need to keep stable should be below that. Keep increasing the VCore by a small increment like .03V or whatever till you finally hit a stable OC. Every CPU is different in terms of what VCore it needs. I've seen some Q6600 hit 3.2Ghz on stock vCore while some need 1.45V to hit 3.2Ghz. It's pretty much luck of the draw.
 
shauntx said:
Okay I will try that next also is there anything else I should change? So far I have change the CPU and Vcore. Should I also be changing the NB settings?
Click to expand...

Raise the MCH (NB) voltage by +.1V.
 
That's a good indicator that either your board can't handle the overclocking or the processor is going bad. Revert back to stock settings and run the stress test again. If the thread stops working again, you may have a bad chip.
 
If your processor/motherboard can handle 3GHz but not 3.2GHz, and you've been adjusting the voltage properly (as Danny told you to), you may have to just keep it at 3GHz.

You may also want to check out the Overclocking & Cooling forum here for more ideas/suggestions.
 
Shaun,
Seems we have even more similarities. I tried pushing it to 3.2 ghz as well and Thread 3 keeps getting an error. I am going to try and step up the voltage a bit and see what that does.
 
3 of my boards do this 2 abit ip35's and a abit something or other. It doesn't reset my bios or anything like that so I just let it happen.
 
You won't see any performance increase when the RAM is at 1047Mhz. But if it doesn't require you to increase your FSB or lower your multiplier, then go for it. Won't hurt but won't help either.
 
Yup, then run Memtest86. If that is stable then you can mess with memory timings if you want.
 
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