In the customer do not pay attention to the situation when or gross negligence

Users in the system after the collapse, and then will be hard disk formatting

There are many data suddenly lost,

Due to external power supply circuit

Reading and writing speed slow, often

Commonly used computer of

Methods: shift + 6 (the Lord the keyboard of 6, is Y key to up the 6), the

Often face computer how to protect 

Eye protection is now white-collar and some workers and students is an