7- Thorium

RE: display turns into a screen of small shimmering colored patterns and the computer ceases to respond to any command.

Can you test this monitor on a different PC or a different monitor on this PC?

Are all fans working, including CPU fan and video card fan, assuming you have an add-in video card?

Assuming the monitor is ok, if you're using an add-in video card, you may want to remove it and connect the monitor to one of the on-board video ports (DVI and VGA) depending on what inputs your monitor accepts. The on-board video ports are disabled unless you remove the add-in card, so you just can't move the connector from add-in video card to on-board video.

Check the manual for instructions about working inside the PC and removing cards.


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