Can be transferred out
1, turn it off? Then unplug the socket behind the mouse and press it again, and the keyboard is the same.
2. If the mouse and keyboard are installed in the boot state? If you turn it off and start it again, it won't work well.
3. If none of the above works, first check whether the external wiring of the computer is connected properly, and then plug in all the wires to see if the fault is eliminated.
4. If the fault remains, open the main chassis, see if there are any redundant metal objects in the chassis, or a short circuit caused by the deformation of the motherboard, smell whether there is a burning smell in the chassis, whether there are burnt chips on the motherboard, and whether there are damaged capacitors around the CPU.
5. If not, clean up the dust on the motherboard, and then check whether the computer is normal.
6. Plug in the power supply first to see if the computer power supply is normal, that is, listen? Fan? Noise, and check whether the power button is turned on normally. If the fan is turned on normally, the computer power supply is normal. If the power button is not turned on, please consider whether to try another power supply.
7、? If the power supply is ok, let's see if it is. Monitor? There is a problem. Try switching to a normal monitor.
8. If the monitor is normal, consider whether the computer can't be turned on because of static electricity. Unplug the power first, and then press and hold the power-on key 10 seconds or more. Press it twice to see if it works. If not, look at the following methods.
9. Disassemble the chassis, remove the memory stick, wipe the dust on the golden finger with something, and then put it back. Press "Boot" this time to see if your computer can start normally. The following figure shows the common appearance of a memory module in a computer.
10、? If the computer still can't start normally, we should consider whether the computer can't start because the computer memory is broken. If there are two memory modules on the computer, please unplug one first. If it doesn't work, press the one you just pulled out and try to pull out the other one. If it can be started normally, it means that the unplugged memory module cannot be used on this computer.
1 1. Turn off the machine? Then unplug the socket behind the mouse and press it again, and the keyboard is the same.
12, if the mouse and keyboard are installed in the boot state? If you turn it off and start it again, it won't work well.
13. If none of the above works, first check whether the external wiring of the computer is connected properly, and then plug in all the wiring to see if the fault is eliminated.
14. If the fault still exists, open the main chassis, check whether there are redundant metal objects in the chassis or short circuit caused by motherboard deformation, smell whether there is burnt smell in the chassis, whether there are burnt chips on the motherboard, and whether the capacitors around CPU are damaged.
15, if not, then clean up the dust on the motherboard, and then check whether the computer is normal.