When I boot to the windows side my screen is pixelated.

When I boot my MacBook to windows, my screen is pixilated.  Looks like a bunch of little Christmas lights flashing in the background.  When I boot over to the mac side the screen is fine.  Any idea why and how to fix it?

Hi,
Shut down the notebook.  Tap away at f10 as you start the notebook to enter the bios menu.  Under the Advanced or Diagnostic tab you should find the facility to run tests on both the Hard Drive and Memory.  Post back with the details of any error messages.
If both the above tests pass, try the following.
If you don't already have one, use another PC to create a Windows 7 Rescue CD.  Download the relevant ISO from the links below.
Windows 7 32bit
Windows 7 64bit
You should use an application such as ImgBurn to burn the ISO to a CD - a guide on using ImgBurn to write an ISO to a disc is Here.  Once created, or if you already have this, insert the CD into the notebook and restart to boot from it.  Select the Repair option.
Select the 'Repair your Computer' option and follow Option 2 in the guide on the link below to run Start-up Repair – you may need to run this 2 or 3 times.
http://www.sevenforums.com/tutorials/668-system-recovery-options.html
If the above fails to help, make a note of any error messages you may get during the procedure and include them with your next post.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

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    ****Click the White thumb to say thanks****
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    ****I don't work for HP****
    Microsoft MVP - Windows Experience

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