Need some help

After experiencing some problems with my old graphics card (Gigabyte GeForce 9600GT 512MB DDR3 256-bit Zalman), I decided to buy a new one, ending up by choosing to buy a Gigabyte Radeon HD6850 OC 1GB DDR5 256-bit.

But the problems didn't stop there. As I got rid of the problems that I experienced with the old graphics card, I started having some others. When I am playing different games (the problems occur on every single game I play), I experience one of the following problems:

- The screen freezes for a few seconds, but it recovers and I get the "Display driver stopped responding and has recovered." error.

- The screen freezes, but instead of recovering, I get a blue screen with a message saying that the driver recovery timed out (I'm not very sure about how exactly this error sounds, but this is the main point of it - will edit to post it if I experience it the following minutes)

- The screen freezes and turns black, moment when my monitor reacts as if there it has no source, returning either the "No signal" or "Out of bounds" message.

Apart from all these, some of the times when I restart my computer I experience some problems with booting, as I get the "Scanning BIOS image in hard drive" followed by "BIOS auto-recovering", which leads to no solution. Only after several restarts and replugs, the computer manages to boot properly.

My system:
CPU: Intel Core 2 Quad CPU Q6600 @2.40 GHz
Memory: Corsair XMS2 DHX 2GB 800MHz DDR2 CL5 Dual channel kit + Corsair Value Select 4GB DDR2 800MHz CL5 Dual Channel Kit
Mainboard: Gigabyte GA-EG45M-DS2H
Video Card: Gigabyte Radeon HD6850 OC 1GB DDR5 256-bit
Power Source: Enermax MODU82+ 525W
HDD: Western Digital 640GB SATA-II 7200 rpm 16MB Caviar SE16

If you need any extra information, I will be glad to give it away. Sorry if I have any mistakes in my english, as it's not my main language.

Thanks in advance.
8 answers Last reply
More about need help
  1. What wattage is the power supply?
  2. Test your memory. It's a sign that's either your motherboard or memory is failing.
  3. The power supply has 525W.

    I forgot to mention that I have Win7 Ultimate SP1
  4. What brand is your power supply?
  5. Sunius said:
    What brand is your power supply?

    Enermax MODU82+ 525W
  6. You should definitely test your RAM using memtest86+
  7. I had a 8800GT - 512ddr3 - 256bit MSI. and i had the same problem. It was the GPU, it was dieing slowly.
  8. Sunius said:
    You should definitely test your RAM using memtest86+

    I've tested it, but found no errors. At the moment I think that the mainboard is the cause and that I should replace it.
    Any other oppinions?
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