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How to solve the problem of LCD screen appear flower screen

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First, we need to check the LCD screen display graphics card connection is loose. Due to poor contact, resulting in the emergence of clutter, miscellaneous points like the flower screen is the most common phenomenon.
Two: check whether the card appears excessive overclocking. If the graphics excessive overclocking use, usually appears irregular, discontinuous transverse striation. But this time we need to properly reduce the magnitude of overclocking. Note that you must first reduce memory frequency.
Three: check whether the resolution of the LCD screen or refresh rate is set too high. The resolution of the LCD splicing screen is usually lower than the CRT display, if more than the manufacturers recommend the best resolution, then it is very likely to appear on the phenomenon of flower screen.
Four: check the quality of the graphics card. If flowers screen in the replacement of the card, also in the use of the first and second recruit or not, then we must to check the graphics of anti electromagnetic interference and electromagnetic shielding quality is to cross the border. Specific approach is: some may produce electromagnetic interference components as far as possible are from the graphics installation (such as a hard disk), then look at the flowers screen whether has disappeared. If it is determined that the electromagnetic shielding function of the graphics card does not pass, then it is recommended to replace the graphics card, or homemade shield.
Five: if the use of the above five strokes, or not able to solve the problem, then it is likely to be the quality of liquid crystal splicing screen. So at this time it is recommended to replace the other monitors for testing.