FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Similar to screen glitches, a bad graphics card can result in strange artifacts all over your screen. Artifacts can be caused by excessive overclocking, heat, and even dust buildup. A restart can sometimes fix this, but once again, if you have a faulty graphics card, expect the problem to come back.

Detailed explanation-2: -If you see the error message Application has been blocked from accessing Graphics Hardware, your graphics driver is outdated or incompatible with your current video card. The best way to fix this problem is to reinstall or update your graphics drivers.

Detailed explanation-3: -A hardware error is a malfunction of a hardware component in a computer system. The hardware components contain error detection mechanisms that can detect when a hardware error condition exists. Hardware errors can be classified as either corrected errors, or uncorrected errors.