Skip to contentYOUR LOCAL TECH PEOPLE. YOUR NEXT CLEAR STEP.
Incompatible Operating System.
Your next step, based on what you observed.
1 · Choose a symptom2 · Check safely3 · Your next step
YOUR NEXT STEP
The prohibitory sign (circle with slash) means the macOS version installed is too old or too new for this specific Mac.
Boot into Recovery (Cmd+R) and reinstall the correct version of macOS.
A symptom can have more than one cause. These guides help you choose a next step; confirming a hardware fault requires testing.
REAL PEOPLE. RIGHT HERE IN BELTON.
Still stuck?
You have a local shop.
Bring your questions, not just your computer. We’ll help you find the right next step.
A question is a good next step.
Something unclear, a broken link, or a guide you’d like to see? Tell the people who built it.
