Try resetting the BIOS:
https://www.groovypost.com/howto/reset-pc-bios-...
If you have any non-essential devices attached to the computer, disconnect them.
I recommend you update the most critical ones: BIOS, Chipset, Display Driver, Network adapters.
http://answers.microsoft.com/en-us/insider/wiki...
You have two steps to move for optimizing Windows Startups: 1. Disable Fast Startup; 2. Optimize High Startups Impact Process.
You can follow below guideline to optimize Startups and fix computer slow issue now:
Step 1. Disable Fast Startup
- Go to Start > Control Panel > Power option and select 'Choose what the power button does';
- Select 'Change settings that are currently unavailable' > Uncheck 'Turn on fast startup' box > Click Save changes;
Step 2. Improve High Startups Impact process
- Press Ctrl + Shift + Del keys > Select Task Manager;
- Go to Startup tab > Right-click the unnecessary startups with high startup impact and select Disable;
- Navigate to Service tab > Select Hide all Microsoft services;
- Uncheck all unnecessary services and click Stop to disable them all.
Change Power Settings to fix Windows 10 Creators PC slow error
- Press Win + X to open Control Panel > Select Power Options under Hardware and Sound;
- Select Choose what power buttons do > Open Change settings to view the options that are currently unavailable;
- Click Shutdown settings > Check Turn on fast startup box > Save changes.
You can also try the following steps to speed up Windows:
Tips for Speeding Up Windows 10 to Run Faster - groovyPost
https://www.groovypost.com/howto/make-windows-1...
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.