有可能是显示器在省电模式下不允许进行调节操作，按上面的指示进入到工作状态下调节
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in power save mode press computer power button or any key on keyboard or move mouse 显示器待机省电了。。你要动动鼠标或者键盘，之后显示器就会亮了
Ok, so one day my computer screen turned black and the only thing written on the screen was... "entering power save mode." and the screen is unresponsive or the mouse, different screens don't work (same thing) cleaning inside did not work either, i researched a ton about it and it ...
1 latch 2 power-button board cable 3 coin-cell battery 4 coin-cell battery cable 5 back-cover assembly 24 Removing the coin-cell battery 16 Replacing the coin-cell battery WARNING: Before working inside your tablet, read the safety information that shipped with your tablet and follow the ...
应该是显示分辨率或显卡问题
Dell Studio Series 个问题 - I have lost my password to access my dell studio computer - Laptop makes a clink noise and is off - One of the IC not working - maintenance de BIOS PC dell Studio - My port where the charging cord goes in to the labtop is gone
Step 2: Launch this backup software on a working PC, go toToolsand clickMedia Builder. Step 3: Then, follow the on-screen instructions to create a bootable USB flash drive, USB hard drive, or CD/DVD. Step 4: Remove the bootable medium from the computer and connect it to the Dell PC...
Tip: Power icons are available in Windows 8 from either the Settings charm or from the logon/lock screen. This method does not seem to work with the on-screen keyboard. You'll need to have a physical keyboard connected to your computer or device to open the Advanced St...
After the driver update completes, restart your computer to fully employ the changes. Then test if your docking station works properly. If not, there’s one more fix to try. Fix 4 – Update the BIOS To let your Dell docking station works smoothly as expected, it’s also necessary for yo...