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Lenovo notebook black screen causes and solutions

       Lenovo notebook encountered a black screen problem how to solve, why black screen, I believe this is a lot of Lenovo users concerned about, Xiao Bian today to everyone to talk about the reasons and solutions for the black screen, so that you face the black screen is no longer bothered.

       (1) The notebook's power adapter is damaged and cannot be powered on, or the laptop's battery is not powered, resulting in no boot and a black screen.

Remedy: Replace the power adapter or fully charge the battery.

       (2) The Lenovo laptop's screen line is broken or in poor contact, causing no image signal to be transmitted to the screen display, which is a black screen.

Remedy: Have the person servicing the laptop re-insert the screen or replace the screen.

       (3) If the boot circuit of the motherboard is faulty, such as a clock, reset, power supply, or MOS tube failure, it may cause the device to fail to boot, causing black screens, I/O problems, and inability to start up the computer or the black screen.

       Treatment method: send the after-sale or repair shop to repair the motherboard.

       (4) That is, the memory and graphics card of the notebook are oxidized, resulting in poor contact with the memory slot or the graphics card slot, resulting in the failure to open the machine and the black screen.

       Processing method: unplug the power, open the back cover of the notebook, remove the memory card slot, if you do not solder the motherboard in the discrete graphics card also remove the card slot, align the memory and graphics golden finger location (that is, where there is copper ) Use the eraser to rub back and forth a few times, blow the gray, and then plug it back in, cover the back cover, boot normally OK.

       (5), is the notebook video card memory weld, the main chip performance, video card BIOS disorder, control power IC problems, will cause the video card does not work, that is, the video card is broken, because the video card is broken, naturally can not Boot, black screen.

       Processing method: build a repair card, or replace the video card.

       The above is a summary of Lenovo's notebook black screen problem-solving solutions, hoping to help you.


Publish on 03/30/2018 by yechao, 152 hits.