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Some Basic Computer Faults and Their Solutions

Computer Faults



1) Doesn't gives display
2) Computer Restart Again and Again
3) Computer Slow 
4) Computer Hang 
5) Computer Restart after 5 Minutes 
6) When we Switch On the Computer A message is Appear ? "Boot Mgr is missing press Alt + Ctrl + Del". 
7) When we Switch On the Computer A message is Appear ? "NTLDR is missing." 
8) When we Switch On the Computer A message is Appear ? " HDD is not detected." 
9) Computer gives Beep Sound but No Display. 
10) After open windows A message is appear. " This window is not Genuine." 
11) PS-2 Mouse & Keyboard is working but USB Mouse and Keyboard is not working ? 
12) Computer stops at 1st party Software ? 
13) Microprocessor is over heat. 
14) Computer stops at 1st party Software ? ( Press f1/f2,etc any function key to continue) 
15) Monitor Shows dull displays ? 
16) Computer is on but Sound, Speaker, Mic is not working ? 
17) Video is not playing properly ?

Computer Faults

In computer several faults occur in hardware as well as software part. We became confuse and can't solve them, so we need technician. But there are very simple faults also occur in compute to solve them we don't need technician we oneself solve them. Some of the fault's are describe below with their basic solutions:


Doesn't gives display:

1.   Check Ram
2.   Check Microprocessor
3.   Check 4 Pins Support Connector
4.   Check SMPS
5.   Check VGA Cable
6.   Check Monitor
7.   If All Ok but not working then exchange Motherboard.


Computer Restart Again and Again

1.     Check SMPS
2.     Check Microprocessor
3.     Check HDD
4.     Check RAM
5.     Check CPU Fan
6.     Check C-MOS Battery
7.     If All Ok but not working then exchange Motherboard.

Computer Slow

1.     Check Virus
2.     Check HDD size is full or not.
3.     Change OS(Operating System)
4.     Delete Temporary Files
5.     Upgrade the system configuration

Computer Hang


1.     Check Microprocessor
2.     Change CPU Fan
3.     Check RAM
4.     Change SMPS
5.     Change C-MOS Battery
6.     If All Ok but not working then exchange Motherboard.

Computer Restart after 5 Minutes

1.     Check Microprocessor
2.     Change SMPS
3.     Change OS(Operating System)
4.     Change HDD
5.     Check CPU fan
6.     Check RAM
7.     If All Ok but not working then exchange Motherboard.

When we Switch On the Computer A message is Appear ? "Boot Mgr is missing press Alt + Ctrl + Del".

1.     Change OS(Operating System)
2.     Recover Boot Mgr file

When we Switch On the Computer A message is Appear ? "NTLDR is missing."
1.     Change OS
2.     Recover NTLDR File

When we Switch On the Computer A message is Appear ? " HDD is not detected."

1.     Check HDD Cable
2.     Exchange HDD

Computer gives Beep Sound but No Display.

1.     Check RAM
2.     Check Microprocessor


After open windows A message is appear. " This windows is not Genuine."

1.     Install windows Activation Software and active the windows.


PS-2 Mouse & Keyboard is working but USB Mouse and Keyboard is not working ?

1.   Due to old Motherboard – SD RAM
2.   Exchange Motherboard

Computer stops at 1st party Software ?

1.   Check Hard Disk
2.   Check RAM
3.   Check external devices connected or not

Microprocessor is over heat.
1.   Use Cooling Paste
2.   Change CPU Fan(Original)
3.   Change Microprocessor
4.   Change SMPS
5.   If All Ok but not working then exchange Motherboard.

Computer stops at 1st party Software ? ( Press f1/f2,etc any function key to continue)

1.   Change C-MOS Battery and Reset Motherboard


Monitor Shows dull displays ?

1.     Check loose connection of RAM
2.     Check Microprocessor
3.     Check Monitor VGA wire


Computer is on but Sound, Speaker, Mic is not working ?

1.   Install Sound Driver
2.   Install Sound card or USB Sound Card
3.     Exchange Motherboard
1. Install Graphic Software
2. Install Graphic Diver

These are some of the basic hardware problems of the Computer and their solutions. Hope you like it.

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