Hmmm bootup issues - need some help.

Gast

Gast

Gast

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24 Mar 2010
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Specs first;
Gigabyte X58A UD3R
i7 920
Asus 5850
Samsun F3 1TB
Patriot Viper 3 x 2GB
Coolermaster ATCS 840


Earlier today the PC (which is a new build) decided to just shut itself down. So left it a few seconds, turnd off power, took out power cables etc, left if for a minute or so and went to switch it back on.

Fans start up then 1-4 seconds later it all just dies again. So started taking stuff out and tryign to start again etc. Eventually took the DVD drive and HD out and switched on and it started up OK. Put them back in and started again and PC booted up nps.

But now Im a bit worried as to what if this happens again. Outta curiousity I went into the BIOS on my last boot up and it gave me an error message stating that certain voltages had been changed due to OC attempts etc and may make the PC unstable.... yet I havent even tried to OC as I aint got a foggy what to do.

Eventually reset the CMOS and stuff just to clear any settings etc in the BIOS but am just curious as to what people might think the issue to be?

Bad PSU/Mobo?
The OC causing problems and PC shutting down (I swear 100% Ive not tried any OC at all)

An other issue may be the CPU temp. Ive had to go back to a CPU stock cooler for a while and temps are now running pretty hot 64-70 (according to BIOS temp sensors thing) and Im wondering if the PC shut itself off coz of this.

Any ideas/thoughts would be appreciated :)
 
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Taking the DVD- drive and HDD sounds a bit like a red herring. it could have been cooling down enough whilst this was happening.

you said you've had to go back to the stock cooler, what 3rd party cooler do you have?
thats still quite hot for stock, i'd say you should be looking at those temps under load, do you have any thermal paste? I remove the pre-applied and use Arctic MX-2 paste.

Just checked my bro's PC and his is idle at 45/47C on stock.

Recommendations?

remove and reapply thermal paste on the cooler and make sure it is seated correctly.
If your fans start really whining there is definately a heat problem!
 
It's happened again. After managing to get it back up first time the pc was running for around 1 and a bit hours before it just completely switched off.

Now having the same issue of trying to restart and having things kick to life before dying again.

The problem isn't helped by the fact I don't have any replacement parts to test for faults, don't have a friends pc to use for the same purpose and not very rich atm to be Ble to just buy new parts.

I am currently goin to buy a new CPU cooler since I was planning. to and will hence rebuild pc from ground up. If it works then fantastic, if not I am in a bit of a bind. I would then need some way of trying to narrow down where the fault lies and getting it replaced. It's the narrowing down the fault tthat is the issue I guess :/
 
Well there is no beeps as of yet but then again I don't even think its getting ti post. It simply starts up, you can see all the fans starting up then a couple seconds later it all stops. Trying the power button again won't do anything, so I have to take all the power cables out and back in again to even gets the pc to attempt to start.
 
Ok, so my problem as shown in the video was with a Gigabyte EP45 board, when I turn on the PC from the PSU, the fans spins up for a few seconds then dies and starts up again and dies, so this whole process repeats itself. No POST screen appears. Apparently this problem is common among Gbyte motherboard, its called reboot cycle and I'm not sure why they don't fix it.

I was told by gigabyte support to install internal speakers, bought Motherboard testing kit for £5 from ******s which included the speaker. They also said reset the CMOS by connecting two pins with a screwdriver, I used aluminium foil. They also mentioned removing the CMOS battery and leaving it out for a minute.

I did this, then started the PC and it came to life. The internal speakers gave 3 beeps for VGA card error - my ATI 5770. I put my old Nvidia 6600GT in, and the it worked and loaded windows.

I then put back the 5770 which gave the VGA error originally, but everything worked fine and has done to this day.
 
You say you had to go back to a stock cooler - did you fit it securely and correctly apply thermal paste?

A little trick I have used is the switch off at the PSU and hold the power on button at the front of the PC until it attempts to start, it will then drain the last bit of power and switch off. This has worked countless times with failed boot problems - worth a shot.
 
Make sure your RAM timings and voltages are at the proper levels as a cmos reset wont sort these out, especially if the voltage needed is higher than the norm.

I had a similar issue with some geil ram a few years back which needed 2.1v to run properly but the SPD and cmos reset kept sticking it at 1.7 which continously restarted the pc.
 
its those stupid push pins ? make sure they are in and turned correctly....if not gotta start again....I had loads of problems with these back when i had a OCZ vennetta 2 damm things kept coming out.

also what James said, DDR2 takes a lot of volts and its normally a lot higher than what the deafults on the BIOS are
 
Yeah I did check the CPU cooler was fitted correctly, and I did re-apply the thermal paste. It s the push pins, so now Im wondering if it has came loose and hasnt been sitting flush.

Im in the process of getting a new CPU cooler which I will apply and see if that helps (once I can decide which 1 to get), hopefully if this is the issue it wont have buggered my Mobo or CPU :/
 
Just an update on this problem as its still happening.

Got my CPU cooler so went back and rebuilt the PC from the ground up. Made sure the CPU cooler etc was all seated perfectly. I also reset my CMOS and removed the motherboard battery and started with just 1 stick of RAM.

Everything seeming OK, PC was running for a few hours then just went caput again.

Ive tested each of my 3 RAM sticks on the motherboard and I have eventually found that slot 5 doesnt seem to be registering any RAM. It shows up in CPU-Z but doesnt appear in BIOS or via Windows.

I have ran tests on the RAM sticks and they have all passed a OK. (memtest and even the Windows 7 memory test)

So I decided to go with just 2 slots of RAM in slots 1 and 3 and PC seemed to be running OK for a bit before crashing again. The only constants with this is:

1) PC wont start up again immediately after crashing - required a few mins before it will come back.
2) The BIOS constantly giving messages after every crash that the voltages have been changed due to overclocking etc

As stated I have never tried to OC at all, the only thing I am doing is setting the BIOS to using XMP (to which it is setting the Voltage and timings correctly as far as I can see - ie for the Patriot Viper memory it should be set to 1.65v and 9-9-9-24 to which it seems to be set to).

I am convinced that there is either a problem with the memory or the motherboard. Due to the bad memory socket Im going to RMA the mobo at least.

Any other insights/help would be apprecaited !
 
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