Step-by-step Computer Repair General

If your personal computer when are broken / crashes you might be thinking to drive to a computer repair service to fix. But before you go to a computer repair service you should understand the basics of computer repair in general as a first aid measure computer repair:

1. Check the main power supply cable connections and DC voltage cables. 
2. Check the keyboard cable connection. 
3. Check the monitor cable connection and monitor power cable.  
4. Check the configuration of the CMOS settings 
5. Check the power cable connection and data cable drive. 
6. Check all daughter board or card installed in the slot I/O 
7. Check the position of the keyboard keys 
8. Check all ICs are mounted 
9. Check all ICs are mounted

Try to turn on the computer, check the power fan rotates normally supply. If fan then do the following diagnoses:

POST Each time the computer is turned on, the computer will automatically begin the diagnostic step, known as POST. POST will inspect and test all components of the system. If a problem occurs during POST, then a message will be delivered to the user. The message can be: message display on the screen, a beep sound, or both. Indication of a problem during POST stated:

- Error code >>  two to five digit number
- Error messages >> short messages in English (there are some messages that indicate a problem that is being experienced in your computer)
- Beep code >> beep sequence (each has its own meaning beep sound that indicates damage to your computer hardware.) On another occasion I will describe the meaning of the meaning of each computer beep.

diagnosis general This diagnosis includes: system configuration, system configuration changes, and format the disk. Diagnosis Diagnosis locate and solve this damage include three categories, namely:

a) software (bad command or file name, disk not ready, an internal error, overflow)
b) Configuration error code (too large for memory configuration, 201 error - the system unit, parity chech x 601) c) system lockups.

If all the steps above you have done but did not find a cause or solution fixes your computer then you should take it to a computer repair service.