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New PC keeps crashing and giving blue screen

Last response: in Motherboards
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October 21, 2008 2:26:20 PM

Hello!

I recently built a new Gaming PC and im frequently having blue screen and the system crashes.

The windows XP pro PC crashes almost twice a day, and there is no special scenario to make so that it crashes. the PC crashed while playing games, browsing the internet, or chating...

The PC specs:
CPU:
Intel Core 2 Quad Q9450
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

ASUS P5Q motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

VGA:
Asus Nvidia GTX 260
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Hard Drive:
Seagate Barracuda 7200.11 500GB SATA 3.0Gb/s 32MB Cash
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: 53.99$
OCZ SLI-Ready Edition 4GB (2 x 2GB) DDR2 800
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Power Supply:
OCZ GameXStream OCZ600GXSSLI 600W ATX12V
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

So what will happen is that the pc will give ma blue screen and then i have to restart it.
The most frequaent error that i get is: a blue screen saying tcpip.sys and DRIVER_IRQL_NOT_LESS_OR_EQUAL
If i check the error logs by right cliking on my computer --> manage -->Event viewer --> Applications i can see error:

1- LoadPerf EventID 3011
Unloading the performance counter strings for service WmiApRpl (WmiApRpl) failed. The Error code is the first DWORD in Data section.

2- LoadPerf EventID 3012
The performance strings in the Performance registry value is corrupted when process Performance extension counter provider. BaseIndex value from Performance registry is the first DWORD in Data section, LastCounter value is the second DWORD in Data section, and LastHelp value is the third DWORD in Data section.


on some occasions i also got a blue screen with error SCSIPORT.sys and i got once error nv4_disp.dll

I tried installing sp3 and this didnt help. i tired updating my graphic card for the latest driver and this didnt help (actually after updating the driver i was running crysis GPU benchmark and the PC crashed and gave blue screen with error nv4_disp.dll and since then i didnt see this error again)

So any ideas?

Thanks you for your help
Sila
October 21, 2008 2:47:05 PM

is your PC oc-ed in any way?

the first thing i would check is the ram. go run memtest86 and see if your ram has any errors.

http://www.memtest86.com/
a c 235 V Motherboard
October 21, 2008 2:47:54 PM

Did you set the voltage on your ram to 2.1 volts?
Related resources
October 21, 2008 2:55:28 PM

i have the same problems depending on which applications i`m bussy with mostly with games , many say its the RAM or some other hardware malfunction or software havent figured it out yet if someone knows please let me know also thx.
a c 86 V Motherboard
October 21, 2008 3:58:09 PM

+1 on testing the RAM with Memtest86+. Make sure to let it run for at least 8 hours. That RAM is also not the greatest as it requires 2.1v to get slow 5-4-4-15 timings. Make sure you manually set the voltage and timings accordingly.
a b V Motherboard
October 21, 2008 4:03:44 PM

For the nv4_disp.dll error, do you have an older monitor?
a b V Motherboard
October 21, 2008 6:57:46 PM

Guys, one thing at a time.

Its sounding like a memory issue or a driver issue; lets solve the easy to test one first.

Run memtest86 for a few hours and see if any errors are reported. If so, one or more of your RAM sticks are bad. If you pass, we can go from there.
October 22, 2008 9:03:11 AM

Hey!
Ok yesterday i tried setting the memory voltage to 2.1 but this didnt help i got 2 BSOD screens yesterday. but the weird thing is that the memory Timings didnt change to 5-4-4-15. so should i set them manually to this value?

Anyways to day ill rum memtest86 and get back to you when the test is done!

Thanks everyone
October 23, 2008 8:37:42 PM

new updates:

yesterday i ran 1 cycle of memtest86 and no errors were reported!
also yesterday my PC went mad! while i was using it many programs gave errors then i got a BSOD and i restarted it. so when it was booting i got a black screen saying that windows is corrupted and needs to be repaired...

So i Booted from the XP CD and repaired windows. but after a couple of hours i got a BSOD again.

Anyways to make the long story short, after all this mess, i decided to unistall the EPU6 Engine that comes with the ASUS motherboard (this is a software that enabled to Overclock or UnderClock the CPU

So yesterday i uninstalled it and today is almost over and still no BSOD :) 
In few days if i dont get BSOD then i can confirm that the problem solved!
!