Bad power supply or inadequate power supplyA bad, failing, or inadequate power supply often causes this issue. If the hard drive is not getting enough power during the first time the computer starts, it cannot spin the hard drive platters fast enough to start the computer.
People also ask
Why does my computer not start up?
My computer does not start unless I restart it multiple times 1 Software issues. There is a feature in the newer versions of Windows called fast startup or hybrid sleep that sometimes causes this issue. 2 Computer is not passing POST. … 3 Bad power supply or inadequate power supply. … 4 Bad hard drive. … 5 Other hardware issues. …
Why won’t my computer boot when I press the power button?
If it’s something similar with yours, and simply pressing the power button doesn’t eventually lead you to bios and boot screens, then there might be some error in the jump from initialisation to boot. You may get the same behaviour unplugging the machine that you get for waiting long periods of time.
Why won’t my computer boot in sequence?
Power supplies are the most common cause for problems with a computer’s boot sequence. Replace your power supply if necessary. If your power supply doesn’t work after testing it, you’ll probably need to replace it in order to get your computer working again.
Why won’t my computer boot after installing a SSD?
However, if you restart the computer a few times, because the platters are already spinning, it can sometimes boot. Newer SSD (solid-state drives) don’t have platters. If you are encountering this issue after installing new hardware on a computer, it is also possible that the power supply is no longer adequate.