Hello,
Knowing that you have fast startup turned on, the computer still starts slowly.
1: It is recommended that you turn on the fast startup on startup and turn on the fast startup on shutdown at the same time. The specific operations are as follows:
Use the Windows key and the R key to bring up the run box, enter "gpedit.msc", then press Enter, bring up the Group Policy Editor, click, "Administrative Templates" under the Computer Configuration item, click "System" in turn, and find "Shutdown" ", then click "Shut Down", then click "Require Fast Startup", then select "Enable", and then click OK.
2：
Right-click the computer on the desktop, open the properties, and then select "Advanced system settings" in the system properties that appear, the advanced item. In "Startup and Recovery", click "Settings" and then, in the system startup that comes out, the default operating system, select the current system, and then put all the tick "Show operating system list time" and "Show when needed" Uncheck the "Time to restore options". After that, click OK.
3: Press and hold Windows + R, enter and run the "msconfig" command, open the system configuration, in the "General" item of the system configuration, check "Selective Startup" and check the "Load System Services" and "Load System Services" in the submenu. startup item". Then click "Guide", after switching, click "Advanced Options", then tick "Number of processors", click the drop-down arrow, and select the largest number. Then confirm.