BSOD on start up

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Perform a clean boot, see if that helps.

• Troubleshoot Application Conflicts by Performing a Clean Startup

How does the computer boot up in safe mode?

Please upload new reports

OK.

Please uninstall Norton for troubleshooting purpose, it's often a cause of blue screens.
Keep Microsoft Security Essentials for the time being.

• Norton Removal Tool
• Microsoft Security Essentials - Free Antivirus for Windows
• Good and Free system security combination.

Remove these tools too:

Code:

Start Menu\Programs\GIGABYTE	Public:Start Menu\Programs\GIGABYTE	Public
Start Menu\Programs\GIGABYTE\EasySaver	Public:Start Menu\Programs\GIGABYTE\EasySaver	Public

You may install them back if we know they weren't contributing in the crashes.

Reinstall your graphic card drivers. The latest version of NVIDIA drivers are a little buggy. Click on the Start ► Control Panel ► Programs ► Uninstall a program ► Uninstall everything related to; NVIDIA and reboot the system. Delete remnants of its drivers/older drivers using Driver Fusion/Sweeper
Download link:

• Download NVIDIA Forceware 306.23 WHQL Vista 64 - FileHippo.com

Run the System File Checker that scans the of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:

• Click on the
• Type CMD on Search
• Left click and Run as Administrator
• Type SFC /scannow

Full tutorial here:

• SFC /SCANNOW Command - System File Checker

Run Disk Check on your hard disk for file system errors and bad sectors on it:

• Disk Check

Free up the start-up, nothing except the antivirus is usually needed.

• Startup Programs - Change
• Troubleshoot Application Conflicts by Performing a Clean Startup

Run this tool and delete anything it finds:

• Anti-rootkit utility TDSSKiller

*Let us know if the system is stable or not.

Then take memtest. Run for 8 passes and test each stick in a know good slot for an additional 6 passes.

• RAM - Test with Memtest86+

The goal is to test all the RAM sticks and all the motherboard slots.

Check your motherboard manual to ensure the RAM sticks are in the recommended motherboard slots. Some motherboards have very specific slots required for the number of RAM sticks installed.

If you get errors, stop the test and continue with the next step.

1. Remove all but one stick of RAM from your computer (this will be RAM stick #1), and run Memtest86 again, for 7 passes.
Be sure to note the RAM stick, use a piece of tape with a number, and note the motherboard slot.
If this stick passes the test then go to step #3.

2. If RAM stick #1 has errors, repeat the test with RAM stick #2 in the same motherboard slot.
If RAM stick #2 passes, this indicates that RAM stick #1 may be bad. If you want to be absolutely sure, re-test RAM stick #1 in another known good slot.
If RAM stick #2 has errors, this indicates another possible bad RAM stick, a possible motherboard slot failure or inadequate settings.
3. Test the next stick of RAM (stick #2) in the next motherboard slot.
If this RAM stick has errors repeat step #2 using a known good stick if possible, or another stick.
If this RAM stick has no errors and both sticks failed in slot#1, test RAM stick #1 in this slot.
4. If you find a stick that passes the test, test it in all the other motherboard slots.

If Part 2 testing shows errors, and all tests in Part 3 show errors, you will need to test the RAM sticks in another computer and/or test other RAM in your computer to identify the problem.

In this way, you can identify whether it is a bad stick of RAM, a bad motherboard, or incompatibility between the sticks.

Errors are sometimes found after 8 passes.
Do this test overnight, before going to bed.

Did any of the suggestions help?