If YouTube videos are not playing on your Chromebook, please try the following:
A.
On your Chromebook -
Go to youtube.com/account_advanced
At the bottom of the page, make sure the box under Default is checked.
Click Save.
Sign out of your Chromebook and then sign back in.
Try your video again.
IF that doesn't work, try this:
B.
On your Chromebook -
First, check to see if you have a brand account:
Open a new tab
Go to www.myaccount.google.com/brandaccounts
Do you see a brand account? There may be an icon near the bottom of that page.
If you have one, click it, and you'll go to another page. Click DELETE ACCOUNT at the bottom
You'll go to yet another page
Click both boxes at the bottom of that page and then click DELETE ACCOUNT.
THEN!
GO TO www.youtube.com/account_advanced
Make sure Default Channel is checked (should show your school account next to the option)
----After all of that, please sign out and shut down the Chromebook. Power it back up and try again. Let me know if that doesn't work. Thank you!