The reason why the power on keyboard cannot be used: Interface power supply problem and insufficient power supply; Poor contact of USB interface and poor coincidence; USB support during startup is not enabled in BIOS. Remedies: The solution for the first reason is to replace the back USB, which generally provides more current. The solution to the second reason is to use the USB extension cable to connect the USB interface, or press the USB interface of the device slightly and plug it in again, so that the consistency will be better. The solution to the third reason is to use the PS/2 keyboard to enter the BIOS for operation, press and hold the DEL key to enter the BIOS setting window when starting the computer, find the setting item of "PNP and PCI Setup", set the parameter of "USB Function" under this item to "Enable" (indicating that the USB function of the motherboard is activated), and then save and exit to exit and restart to enter the system. Keyboard is an instruction and data input device used to operate equipment, and also refers to a group of function keys (such as typewriter and computer keyboard) arranged by the system to operate a machine or equipment.
Is the screen saver set?Be specific.The laptop has automatic standby, and mine is also an ASUS.It has set automatic standby, so the screen will be black.
This is complicated. How long has your computer been running?Falling heat dissipation or accumulated dust can also cause failures. Try cleaning it up. In short, computer failures are more complex. You can only find experts to help you!
resolvent: 1 Kill the virus/ 2 Reinstall the system If there are still problems 1 Is there a problem with the keyboard interface (usb/serial port) 2 Whether the hard disk is too long to meet the high-speed operation under multiple programs 3 Check whether there is a problem with the memory. Unplug and reinsert it
