monitor black pc freeze on higher cpu usages?

October 27, 2011 at 18:19:52
Specs: Windows Vista
I'm having a problem with my monitor going black and desktop freezing.
It just started happening today. First happened while streaming videos, then later while playing games.
I can look around the internet and listen to music on real player etc without problems. It just happens when I use slightly higher CPU after 3-15minutes it seems. Usage doesn't spike randomly and i have Norton 360 and AVG so it shouldn't be a virus/malware/etc problem.

I was looking around at other questions and assume it may be my power supply unit or graphics card. Ive bought my Acer desktop 3 years ago at Frys Electronics and had a vid card replaced a year ago . Ive had no problems with my PC except for my previous vid card which was replaced by Frys on warranty.

I'm just wondering what the problem most likely would be so i can run out and buy new parts asap.

OS: Windows Vista Home Premium
Version: 6.0.6001 Service Pack 1 Build 6001
Manufacturer: Acer
Model: Aspire X1700
System: Type x64-based PC
Processor: Intel(R) Pentium(R) Dual CPU E2220 @ 2.40GHz, 2403 Mhz, 2 Core(s) 2 Logical Processor(s)
Memory (RAM): 4.00 GB
BIOS: Version/Date American Megatrens Inc. R01-B4 2/26/2009
SMBIOS: Version: 2.5
Video Card: NVIDIA GeForce 210
Monitor: Acer LCD Monitor X203W

Thanx for the help

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October 28, 2011 at 04:18:56
First, you cannot run two antivirus programs together, they are not compatible. You are going to have to uninstall at least one of them. Norton tries to do everything and does not live up to the hype, it just slows down systems and does not do its primary function as well as it should. AVG is probably better, but there are better out there. I would recommend Avast or MS Security Essentials or Webroot. You are going to have to use the Norton uninstaller (available on their website) to completely remove it if that is what you decide.

If you find you need an auxiliary scanner for spot checks, then Malwarebytes IS compatible with all current AV programs and only works manually when you want it to.

If the problem remains, I would recommend running Memtest86 to test your memory as your problem could be a bad memory card.
Post back results.

You have to be a little bit crazy to keep you from going insane.

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October 28, 2011 at 11:03:09
Its not malware/viruses. I already checked.
My old story:
People say to have multiple layers of protection for viruses/malware. I previously had ad-aware + avg + zonealarm + advanced system care but months ago i got a Trojan that ad-aware and avg couldnt pick up. It was rerouting my Firefox to other sites. So i got Norton 360 for $70. It wasnt compatible with zonealarm so i uninstalled it to complete installation. I used Norton and it found the Trojan and got rid of it. Afterwards i noticed Norton was overriding Ad-aware from being able to function properly, so i uninstalled ad-aware due to its inability to track the Trojan. This is the third time im using Norton 360 and the previous 2 years ive had it, its always kept my PCs in good condition and safe from my experiences. Now its Norton 360 + AVG + Advanced System Care which seems like a monster at stopping viruses/malware and keeping PC clean. I use CNET Reviews plus which shows test results of all those antivirus/malware software. Ive thought about Avast but its performance results were somewhat lacking for early 2011. With bitdefender rising up with a recent perfect protection score, i was tempted to grab it but i chose Norton as it had good scores and i've had previous experience with it + being 1 of the few allowed to be used at work and businesses, i felt safer. it lives up to its name in my opinion.

As for my current problem, i can only see my parts are dieing out. So i was looking at new vid cards, power supply units, and cases on the internet. Going to check out Frys Electronics later today to see if they have what i want. If not, im gonna order the stuff i need off of
Right now ill check out memtest86 and see if the memory card is the problem.

Edit: i also found this thread. This guy had the exact problem it seems.

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