This document outlines common computer problems and their solutions. It lists issues such as no display on monitor, disk boot failure, invalid system disk error, system file missing error, and slow system performance. For each problem, it provides steps to troubleshoot such as checking the power supply, RAM, hard drive cables, and reinstalling the operating system if needed. It also discusses causes of hard disk failure, incorrect date/time display, and blue screen errors along with solutions like scanning for malware, updating time zone or CMOS settings, and installing updated drivers.
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4. 4LIST OF PROBLEMS
POWER SUPPLY OK , NO DISPLAY ON MONITOR
DISK BOOT FAILURE, INSERT SYSTEM DISK & PRESS ENTER KEY
NO POWER SUPPLY TO SYSTEM UNIT
LONG BEEP SOUNDS
INVALID SYSTEM DISK, PRESS ANY KEY TO CONTINUE.
SYS. FILE MISSING
SYSTEM FREEZE
SYSTEM PERFORMANCE SLOWS DOWN
PRIMARY HARDDISK FAIL / SECONDARY HARDDISK FAIL
SYSTEM DATE IS NOT DISPLAYED CORRECTLY EVEN AFTER
UPDATING D & T
9. 92. LONG BEEP SOUNDS
STILL PROBLEM OCCURS REPLACE THE RAM
10. 10
3.DISK BOOT FAILURE, INSERT SYSTEM DISK & PRESS ENTER
KEY
STILL PROBLEM OCCURS THEN RE-INSTALL THE OPERATING
SYSTEM
11. 114.NO POWER SUPPLY TO SYSTEM UNIT
STILL PROBLEM OCCURS THEN REPLACE THE
SMPS
12. 125.INVALID SYSTEMDISK PRESS ANY KEY
STILL PROBLEM OCCURS THEN RE-INSTALL THE OPERATING
SYSTEM
RE-PAIR THE OPERATING SYSTEM BY SYSTEM RESTORE
OPTION
13. 136.SYSTEM FILE MISSING
STILL PROBLEM OCCURS THEN RE-INSTALL THE OPERATING
SYSTEM
RE-INSTALL THE MISSING FILES USING OPERATING SYSTEM CD
14. 147.SYSTEM FREEZE
TURN OFF SYSTEM & CHECK SMPS , PROCESSOR
CHECK MOUSE & KEYBOARD CONNECTED PROPERLY OR NOT
STILL PROBLEM OCCURS THEN RE-INSTALL THE OPERATING SYSTEM
15. 158.SYSTEM PERFORMANCE SLOWS DOWN
2) SEVERAL PROGRAMS ARE RUNNING AT A TIME
1) VIRUS ATTACK---------> ANTIVIRUS
3) DELETE THE TEMPORARY FILES
4) BAD CORRUPTED FILES
16. 169.HARD DISK FAILURE
HARD DISK------> PHYSICAL, LOGICAL
CHECK THE SATA CABLE IS CONNECTED OR NOT
PHYSICAL-----> SMPS
LOGICAL--------> FILES MISSING SO, RE-INSTALL OS
17. 17
10. SYSTEM DATE IS NOT DISPLAYED CORRECTLY
EVEN AFTER UPDATING D & T
MALWARE
TIME ZONE
CMOS