If you are facing OneDrive problems on your Windows 10 PC, carrying out a full reset of the OneDrive client may help you fix most of the issues. Let us see how to reset OneDrive settings to default values.
Reset OneDrive in Windows 10
Type Run in Start search and hit Enter to open the Run box.
Next, copy-paste the following and hit Enter to reset OneDrive:
You will see the OneDrive icon in the notification disappear and then reappear again.
This may take a while to run, but once the process is complete, your OneDrive app and settings will now have been reset to default values.
If the OneDrive cloud icon doesn’t re-appear after a minute or two, open the Run box again, enter the following and hit Enter:
Hope it resolves your OneDrive issues. If it does not, then Uninstall OneDrive from Windows 10 completely and then download it from onedrive.live.com and install it/
Windows 8/7 users may want to run the OneDrive Troubleshooter.
UPDATE: Says Sts stz in the comments below:
If this does not help, use the Registry editior and go to:
If keys “DisableFileSyncNGSC” and “DisableFileSync” are set to “1”, change these values to “0” and OneDrive will show up again.
Need specific help? Check these: