The reason and solution of Windows7 system computer time is always slow for no reason

Cause analysis: This fault is due to the motherboard coms battery is not electrical or quartz crystal failure.

Solution: Of course, the replacement of a new motherboard coms battery, the general electronic market can be found.

If the fault persists, it is possible that the quartz crystal work is unstable or has been damaged, with anhydrous alcohol cleanser near the circuit board, if the failure is not ruled out, you need to replace the quartz crystal. These are the real reasons why computer systems are slowing down and how to solve the problem of slow computer systems.