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2、 Display screen blurred

A. By replacing the tested monitor, confirm whether the problem was caused by the monitor

B. Confirm whether the connection of the cable or the cable itself is OK, reconnect or replace the cable to confirm whether the machine displays screen was blurred;

C. By replacing the tested memory ,confirm whether the displays screen blurred;

D. By replacing the tested CPU,confirm whether the displays screen blurred;

E, By replacing the tested motherboard , confirm whether the displays screen blurred.

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