If you don’t want to perform a reset, just skip to Part 2. Reset computer to factory setting will be an effective way to fix Windows 8 slow boot up and shutdown, black screen and many other computer software problems, but will also erase data from your PC.

Then you’ll see several options can be changed before restarting, choose “Enable Safe Mode” and click “Restart”.

Choose “Startup Settings” from the all the advanced options.

Press “Advanced options” in the Troubleshoot screen.

Now you’ll be asked to choose an option, press “Troubleshoot” from the list.

Press the Power button at the login screen and then press and hold “Shift” key and click “Restart”.

Choose “Run maintenance tasks” under “System and Security”.

In the search box, type troubleshooter, and then click Troubleshooting.

Press Windows key + X, Select Control Panel.

Whenever your Windows 8 takes too long to boot up, you can try to use the system troubleshooting feature to fix it manually. Perform “System maintenance troubleshooter” Whether you would like to get a clickable area that resembles the classic startup menu of Windows 7 or the more stylish look of the Windows 8 menu, your desire will be satisfied. It was developed for those who use Windows XP, Vista, 7, 8, 8.1, and 10 operating systems. Part 1: Common Ways to Fix Windows 8/8.1 Computer Slow Boot up 1. Start Menu 8 is known to be one of the most successful software products.

Setting startup windows 8