Its probably just the boot order. Go into the BIOS and make sure its trying to boot from the correct hard drive first. If you aren't sure what drive you are supposed to boot from, just switch whatever ...

To fix a Windows PC that won't turn on, first try ruling out a faulty power supply or outlet. You can also try checking for beep codes, display issues, unusual BIOS settings, or troubleshoot the PC in ...

Turn off your PC instead of restarting it. Disconnect the power cord. If it is a laptop, disconnect its charger and remove its battery (if removable). Press and hold the power button for up to 45 ...