Not display not ready?
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Users questions: Only a little over a year Lenovo "Tianjiao" LCD display, it needs fixing. Repairable after boot, when windows, show "user" password, enter the system, to see the desktop, just a little too much, the machine "black", about 34 seconds, on the restoration of a normal I tried to reboot or shutdown, then boot, always like this, now go through the "black" in the process, this display not ready? In my monitor to the association of sunlight station to the garage, they gave me spare monitor, you do not happen, now what is the reason, we ask , Thank you
Experts answer:VGA signals are analog signals, the display pixel matrix LCD digital structure, the liquid crystal displays rely on a digital analog converter integrated circuits to the VGA signal into a digital signal to work properly, because DAC is with frequency restrictions, so there LCD refresh rate in particular can not be shown under the first look at your refresh rate is not set to the 50-70MHZ or less, and that does not work for a driver board, Taobao has sold, 140 yuan a piece, are The latest model, certainly better than the Legend!
Experts answer:VGA signals are analog signals, the display pixel matrix LCD digital structure, the liquid crystal displays rely on a digital analog converter integrated circuits to the VGA signal into a digital signal to work properly, because DAC is with frequency restrictions, so there LCD refresh rate in particular can not be shown under the first look at your refresh rate is not set to the 50-70MHZ or less, and that does not work for a driver board, Taobao has sold, 140 yuan a piece, are The latest model, certainly better than the Legend!
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