Computer shuts down on start up in many PCs. There are various reasons behind this problem; however, most common causes are: overheating, incorrect internal Windows settings, low virtual memory, issue with cables and presence of any virus.
Here is given easy solution for those facing this problem:
Continuous usage of computer for longer hours without giving it pause may lead you to overheating which results in computer shuts down on start up. This may also occur if you did not clean your computer's fans for years. In this situation what you have to do is given below:
a. Unplug all cable including power cable and open your Chassis (CPU BOX).
b. Use blower to remove dust form fan and other components inside system.
c. Plug back cables and now start your system.
d. Do not perform these steps if you are not sure how to do that.
Another reason why computer shuts down on start up is internal corruption in Windows settings. In this situation you have to clean system registry and fix hidden Windows problems. To do that, below are few simple steps.
a. Turn ON your system.
b. Run it in safe mode (press and hold F8 key).
c. Download a reliable registry cleaner and PC optimizer software on your system.
d. Double click on the registry cleaner.
e. Start Scan.
f. Fix registry related errors.
g. Done.
RAM plays an important role to display data on screen. If you have installed it improperly or its too low then computer will shut down on start up. For proper installation of RAM, follow these steps.
a. Shut-down your system and unplug power cable.
b. Remove RAM from the slot.
c. Now locate the right slot to place RAM again.
d. And if your system RAM is low then add another RAM.
A defective RAM causes BSOD and due to this defection the computer shuts down on start up. Either change or see if it is properly installed on the main board of your system.
Meanwhile you may test another RAM from second computer. Hope this would help you fix the problem.
Sometimes there are hidden old viruses inside system which cause computer to shutdown on random basis. Latest anti virus programs detect those old viruses. So, having latest security program on your computer is also important.
If your computer shuts down randomly or only on start up then use the recommended too called the Intel Software Partner, RegInOut.
