What are the 5 main reasons for why computer keeps freezing?

• Virus
• Very old computer
• Corrupted program
• Corrupted hardware:  hard disk / motherboard
• Nearly full hard disk

1) Check the upgradability of Mother Board, if possible, immediately do upgrade same to best possible higher level.

2) Enhance RAM's capacity 

3) Remove pre-loaded data to additional hard disk and try to format the existing hard disk.

4) Disk defragmentation can also be test run.

5) Check for any virus attacks by using branded Anti Virus kits like Kaspersky, Norton, etc.

6) Get your hardware a thorough cleaning by calling a Computer Service Engineer to find any components worn out due to heat or dust or any other probability and replace same.

Reason n° 1.

1. Start with checking you mouse!

We all have those days when we are so busy that the simplest things may not cross your mind. Sometimes it is not the PC: don’t forget to rule out issues with your mouse – perhaps the cable(if you still use it got unplugged from the source. Or if you use a wireless mouse, try changing the batteries. Sometimes it is that simple.

When people refer to computer freezing, they typically mean that computer system is unresponsive to any user action,  such as typing or using mouse on the desktop. In a nutshell, freezing means that nothing happens. Generally it does not mean that computer is broken, but rather that processor encountered an overload that cannot be handled. It can be a very frustrating experience, especially if you were working on something you did not have a chance to save yet.

There are several common causes of freezes. In this article, we will look at the typical Windows system and reasons for it getting a chill!

Start with checking you mouse.

Overheating

Driver Corruption or Errors

Software Errors

Computer Viruses

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1. Overheating of CPU
2. Viruses attacks
3. Software errors
4. Driver errors
5. Low random access memory to support all programs