User Manual (Windows8.1)

Appendix
92
Cleaning the LCD screen
Clean the LCD screen with a soft cloth dampened with computer
cleansing detergent. When cleaning the screen, move the cloth in
one direction. Do not use excessive force. Doing so may damage
the LCD screen.
LCD bad pixels principle of the computer
Samsung observes strict specifications regarding the quality
and reliability of the LCD. However, there is a small chance that
a few pixels may be bad. A large number of bad pixels can cause
problems with the display, but a small number of bad pixels does
not generally affect computer performance.
Samsung’s quality standards for bad pixels are as follows:
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Bright dot: 2 or fewer
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Black dot: 4 or fewer
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Combination (bright and dark): 4 or fewer