After that, you're the computer maintenance engineer, Nineth.

Sixth chapter operation and application class failure

An example of a definition

This kind of fault mainly refers to the application and system faults that occurred before the shutdown after the startup.

Second, possible phenomenon of failure

1, after dormancy can not wake up normally;

2, the system running blue screen, panic, illegal operation, such as failure phenomenon;

3, the system runs slowly;

4, running an application, resulting in the failure of hardware functions;

5, the game can not be normal operation;

6, the application can not be used normally.

Iii. parts that may be involved

Motherboard, CPU, memory, power supply, disk, keyboard, plugged board, etc.

Iv. Points of judgement/order

1, before the maintenance of the preparation

1 clean and available hard drive;

2) antivirus software;

3 as possible new drivers, several versions of the BIOS;

4) The data cable of the disk connection and so on.

2. Environmental inspection

1 Mains and Connection inspection:

A. Check whether the mains is normal, whether the connection is sad, whether there is grounding;

B. Connection between equipment is wrong or missing.

2) Peripheral and appearance inspection:

A. Check that other peripherals connected with the host are working properly;

B. Whether the drive is working with a different sound, CPU fan speed is too slow or unstable;

C. Observe whether there is too much dust in the chassis, which leads to poor contact between the connectors. First dust can be used to wipe the gold fingers, such as the removal of oxide layer or dust. And then plug it in again;

D. Observe whether the system has a peculiar smell, the temperature rise of the components is too high or too fast.