Solution 1

Verify the OneDrive synchronization.

Step 1 - Right-click on OneDrive App > More > Settings > Account TAB (the first item under OneDrive - ILAC International Language Academy of Canada) > Choose folders > Validate the Desktop folder is check-marked.

Step 2 - Open the Windows Explorer > OneDrive - ILAC (International Language Academy of Canada) > Desktop > Validate the docs/files statuses and the last modified dates

If your OneDrive is proper sync and your files appear on the Desktop folder, go to solution 2 below.

Solution 2

Right-click on an empty area of your desktop > View > check-mark "Show desktop icons"

Video link for further assistance: https://www.youtube.com/watch?v=u5EyhoVW_AU