Free Computer Repair Service

Computer often appears fault,such as can’t boot,program problem,can’t visit website,flect virus and so on.How to repair it efficiently?Here are some methods and tools for computer repairs.

(A) How to find the software fault:
A, program failure:we need to check whether the preparation of the process itself have errors, the program is complete, the program’s load method is correct and in line with program operating environment, the program’s steps is correct, whether is the mutual influence and constraints software and so on;
B, system software failures;
C, computer viruses.
(B) The search methods of the hardware failure:
A, The manual method to find hardware failure:
(1) direct observation;
(2), percussionist pressure method;
(3) segmentation reduction method;
(4) plug replacement method;
(5) Static measurement;
(6) The comparative experiment method;
(7) heating cooling method;

B, the software automatically detects hardware failure method:
(1) ROM BIOS power-on self-checking procedures POST;
POST solidified in the ROM, an electricity, the core starting from the hardware, followed by their basic data path of the CPU, internal memory, RAM and I / O interface of each functional module to be checked. Running POST basic requirement is a CPU and its basic peripheral circuits, ROM circuit and at least 16KB of RAM to work properly.
(2), PC machine advanced diagnostic procedures, DIAGNOTICS.
(3), other tools, such as PCIOOLS, QAPLUS, and NORTON, etc..

How to use these computer repairs tools?Please visit other related  articles on our site,there are detailed introductions.