Question about HP Pavilion a6720f PC Desktop
Try reinstalling the driver for the graphics card or update the driver installation. Also sometimes this happens when the cooling fan malfuntions and the graphics card gets overheated.
Posted on Aug 07, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
Go to www.google.com and in the search box type:
"Download cnet Malwarebytes" (without the quotes). Download and
install malwarebytes from the sites download.cnet/malwarebytes. When the
site opens up click on the Green Download button on the left. Do not
click the Red Download button, that's junk. When it finishes installing the Gui
Interface will open up with an offer to Accept a Trial Version or
Decline. CLICK DECLINE you want the totally free version. Run a
QUICK SCAN. As it scans, if it finds infections the number will be in
red. When it finishes scanning, click SHOW RESULTS. A notepad text
document will open up showing you the results. You can close the text
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finishes removing the objects click ok and it will sometimes reboot your
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