On the motherboard, check to see if the memory modules are correctly inserted in the memory slots. If this switch is faulty, your computer system may not turn on at all, but an erroneous power supply voltage may also force your computer to shut down on its own. Remove them from the computer by opening it up. You most likely have loose screws within the case if you hear what sounds like small boulders pounding about. In order to check if your system has loose screws, lift your computer and gently shake it from side to side while rotating it. Screws hold practically every internal component in place in the computer system this is the reason they can come loose from time to time. When pieces of metal create a conduit for electricity to pass through that should not exist, an electrical short occurs in a computer, which can result in power troubles. If you see the computer continues to operate and does not turn off, the battery backup unit or the surge protector is defective and must be replaced. Check to determine if the problem still exists by turning on the computer. If this is the case, you need to remove your computer's power cord from the battery backup unit or the surge protector and connect it straight to a wall outlet. A significant loss in power may cause the computer to shut down as the computer system needs a certain amount of power to function or turn on properly. Over time, battery backup and surge protectors of the computer can ge fail, resulting in a reduction in computer power delivery. Then, turn on the computer system and see if the problem has been resolved.ĭisconnecting and reconnecting (reseating) a cable on both ends is sometimes the best approach in order to ensure the able is not loose. Make that both ends of each cable are securely connected to the motherboard and each component. Also, make sure the cables IDE and SATA link to the CD, hard drive or DVD drive, and floppy drive (if your computer has). You are required to verify that all of the cables within the computer casing are securely connected to each component as well as the motherboard. On the basis of the problem of why the computer switches off so rapidly after being turned on, this process can take minutes to hours. Fix a Computer That Turns On and Then Off Therefore, always be careful of the dangers of ESD while working on your machine. There can be needed to open the computer casing for a few of the instructions below. Also, visit our page why does my computer turn off without warning? If your computer system stays on for several minutes before turning off. Note: See our page why won't my computer turn on? If your computer has no power or does not turn on. To get started, check over each part that is given below in order to see if you can discover a solution to your problem. Is your computer shutting down on its own, either right away or even a few seconds after it is turned on? If this is the case, there could be several possible issues, from an electrical short to a serious hardware issue. Next → ← prev Why does my computer power on and then immediately turns off?
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