How to invoice enterprise management consulting fees?

How to invoice enterprise management consulting fees?

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.