If Bluetooth driver is missing or gets removed after a Windows Update, add the legacy driver from the Device Manager, install the correct driver from your manufacturer, etc.
If your PC is using CPU instead of GPU, check your cable connections. Use the fixes provided in this article to resolve this issue.
Updating your drivers is something that’s easy to forget, but can you really trust driver update tools? There are a lot of scammy, spammy, nefarious apps out there that promise to update drivers, but ...