In this 21st century we are in the computer world. our computer engineer has made computer more advance then past. now a days computer pays vital role in the field of development. during this development period computer also get the problems. computer problems create main obstacle during the working period. we can find many computer problems with their solution. some of the computer problems with their solution are mention below:-
PROBLEMS AND CAUSES:
A. No display in computer screen
causes:-
- lose connection of monitors cable with VGA card.
- display card not fixed properly on expansion slots.
- RAM chips not fixed on memory slots.
- CPU not fixed on CPU socked.
- resolution of monitor is set up in very high resolution, which is not supported by monitor such as 1024*1200 in windows'95'98 platform.
- display card may be damage.
- SMPS does not supply accurate power.
- may be problems on monitor.
- reverse connection of data cable on HDD.
- monitor adjustment.
SOLUTION:-
- Connect the monitor cable on display card with properly.
- fix properly your display card on expansion slots.
- fix properly RAM on RAM slot.
- fix CPU on CPU socket and check display.
- start your computer on safe mode pressing F8 on starting phase and reduce the window resolution (recommended 800*600)
- change display card and check display.
- change SMPS and check for display.
- check display by changing other fine monitor.
- change other fine motherboard and check display
- check HDD cable and change cable connection.
- adjust brightness and contrast button on monitor.
CAUSES:
- SMPS does not regulate voltage properly.
- may be the problem of voltage fluctuation of our electricity system.
- hard disk is full by data or no free space on HDD.
- CPU is not working properly
- processor may be damage
- memory problems
- OS problems
- virus problems
- motherboard problems
- power supply problems
SOLUTION:
- check SMPS power by multi meter
- use volt card and UPS
- delete unnecessary data from hard disk to get free space
- change CPU cooler fan
- change other CPU
- check and replace memory
- repair OS, or clean pre-install OS
- scan PC and clean or, remove virus and spyware
- check and replace motherboard
- check and replace power supply
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