Computer suddenly shuts down automatically! Months left of the keyboard lights!

Today, the host suddenly shut down automatically! Left a keyboard light of the lantern! To re-3 from the plane before the opening! Spent 5 hours there is to it! Now less than 2 minutes to boot closed! Sometimes read in the information BOSS When closed! CPU is not hot ah! Inch inside also changed!

Legend is the poor quality power supply! Do not say it was just hearsay, I should say that be it.Or your motherboard is the power of the storm or taken to the main board to issue an overhaul of the problem may well be that you have the following reasons, you can check out one by one:
1:clean up some chassis to clean up some dust inside.
2:check the CPU fan is not in turn, is not a normal speed, this is very willing to, because the computer play shut down for a long time are scattered Not caused by the heat.
3:Check the following socket and plug the power cord and whether there is a bad phenomenon.
4:you said out of line again in order to plug in the boot of the problem is normal, The board is to bring protection, in order to prevent a sudden power after the hardware that can protect the injury.