Its not something we like to think about but your computer will fail, if you keep it long enough.It may be a simple problem,such as floppy drive not reading disk to a major system crash.
Because computers are run by operators,User Error is most common cause of computer malfunction.When user is at computer,he or she may add or delete certain files.Or he/she may remove or exchange certain hardware features.
When we look at user error,we must remember that since we're human,the user error may be easy to solve by simply asking last user if he/she installed any software,re-configured any software or hardware settings,etc.
A large percentage of computer malfunctions are due to environmental factors such as power surges caused by lightning, resulting in overvoltage.
Another cause for failure may be room temperature being too high or low,as well as dust,dirt,or sunlight. If you're in business and heavily dependent on your computers,such fators as room temperature,sunlight and protection against power surges is of utmost importance and simply cannot be overlooked.
The most common pc problem is when you can't access your PC at all.When you turn on power switch,NOTHING HAPPENS.
Here is a quick checklist of troublshooting procedures you should follow if you encounter this problem .We also have videos you can download from Internet should you need assistance in just how to perform these procedures:
Try Power Switch a second or third time.If nothing happens..
Check wall outlet for power.If outlet has power.
Check power cord itself from wall to computer. http://www.ultimatepcrepair.com/files/outlet.mpg
Check Power Supply inside System Unit. http://www.ultimatepcrepair.com/files/powt.mpg