电脑开机无法启动黑屏开机无任何提示声音（国外英文资料）.docVIP

电脑开机无法启动黑屏开机无任何提示声音（国外英文资料） Consider the following: Check whether the host power supply is working Does the power fan rotate? Move to the outlet of the switch power supply on the back of the main engine box, feel the wind blow out and the power supply is normal, the power failure is not the wind. Does the switch on the host power switch turn on the three lights (NumLock, CapsLock, ScrollLock) on the keyboard? Yes, the power supply is normal; Does the host panel power indicator lamp, hard disk indicator light? Bright, the power supply is normal. Because the power supply is not normal or the main board does not charge, the display does not receive the data signal, it will not appear. Check if the monitor is charged Is the display power switch on? Is the power indicator on the monitor bright? Does the displays brightness potentiometer be minimized? Is the high voltage circuit in the display normal? Do you move your hand to the monitor screen and see if there is a sizzling sound, or does the sweaty hair stand on the back? Check that the display card is in good contact with the display line You can check the plug to check if there is any bending, breakage and a lot of dirt in the D socket, which is a common problem for many users. D shape socket connectors, due to the uneven force, or forget to tighten the socket set screw, socket contact undesirable, or by improper installation method ambassador D shaped pin breakage or curved, so that the poor contact, etc. Turn on the machine box to check if the display card is installed correctly, and whether it is in good contact with the mainboard slot Does the display card or slot accumulate too much dust for too long and lead to contact? Does the chip on the card have any traces of charred and cracking? When the video card leads to the black screen, the computer will have a short four long tick note when it is turned on. When install the display card, want to hand display card upper part, firstly insert groove, the display card