Kan være så mangt.

1. Corrupted Hiberfil.sys file... this is where the hibernation, sleep, standby data is stored and in my experience is the main cause of Power Saving related startup problems. To try solving it; Switch the Power Options (in Control Panel) to no hibernation, sleep or standby or create a new power plan selecting Never in all settings... next save the power plan with a new name (EG: "Always On") and Apply it. This will delete the Hiberfil.sys file and rebuild it new the next time you restart the computer and enable any of the power saving plans.

2. The BIOS settings if corrupted can cause different startup problems.. reset it to delete any corrupted data.

3. To many Temp files. Going into any of the different power saving options includes saving the data in the temp files being used, and if these files are large in size or number, the data contained in them is saved in the Hiberfil.sys file so it's best to regularly delete these files to lighten the load on the Hiberfil file and lessen the chances of power saving and performance problems. To delete temp files; Start button > Select the Search bar or click on Run and type "%temp%" and delete the account temp files and next type "temp" and delete the system temp files. Or use CCleaner to delete these files.

4. If you encounter the problem again, try loging in Safe Mode or Last Known Good Configuration and reset the Power Options to use the new Power Plan, and apply suggestions #2 and #3.