1. Disable Fast Boot
By far, the most problematic setting when it comes to boot time in Windows 10 is the Fast Startup option. This is enabled by default, and is supposed to reduce startup time by pre-loading some boot information before your PC shuts off.
While the name sounds promising, it’s caused issues for a lot of people. Thus, it’s the first step you should try when you have slow boot problems. (Note that restarting your computer isn’t affected by this feature.)
Open Settings and browse to System > Power & sleep. On the right side of this screen, click Additional power settings to open the Power Options menu on the Control Panel.
Here, click Choose what the power buttons do on the left sidebar. You’ll need to provide administrator permission to change the settings on this page, so click the text at the top of the screen that reads Change settings that are currently unavailable.
Now, untick Turn on fast startup (recommended) and Save Changes to disable this setting.
If you don’t see the Fast Boot option, you don’t have hibernation enabled and thus it won’t show up. To enable hibernation, open an administrator Command Prompt or PowerShell window by right-clicking on the Start button and choosing Command Prompt (Admin) or Windows PowerShell (Admin).
Type the following command to enable it, then try to disable Fast Startup again:
powercfg /hibernate on
2. Adjust Virtual Memory Settings
Some users have reported that Windows 10 can change virtual memory settings, causing boot issues. You should thus have a look at your virtual memory settings and see if you can change them to fix the slow boot problem.
Type Performance into the Start Menu and choose the Adjust the appearance and performance of Windows.
Under the Advanced tab, you’ll see the size of the paging file (another name for virtual memory); click Change to edit it.
On the resulting window, what’s important is at the bottom. You’ll see a Recommended amount of memory and a Currently Allocated number. Some having this issue find that their current allocation is way over the recommended number.
If yours is as well, uncheck Automatically manage paging file size for all drives to make changes. Then choose Custom Size and set Initial Size and Maximum Size to the recommended value below.
Reboot, and your boot time should improve.
3. Turn Off the Linux Terminal
This feature isn’t turned on by default. So if you don’t know what Bash is, you probably don’t need to try this step as you would know if you turned it on.
To turn off the Linux shell, type Windows features into the Start Menu to open the Turn Windows features on or off menu. Scroll down to Windows Subsystem for Linux, uncheck it, and restart.
4. Update Graphics Drivers
Open the Device Manager by right-clicking on the Start button and choosing Device Manager. Navigate to Display adapters to see which graphics card you’re using (typically Nvidia or AMD if you have a dedicated graphics card).
You can usually open the corresponding software on your PC to check for updates. If you don’t have it, you’ll need to navigate to the vendor’s website (or your laptop manufacturer’s website, if you’re using integrated graphics on a laptop) to check for driver updates. Install any new versions available.