Question: Problem with display on iMac 27 2011
I have problems with display on my iMac 27 2011. There are strange things on my display and iMac turns off and restart. The program Apple Hardware Test gives me the number of the error: 4SNS/1/40000000: THOO-9.000
Please, help me with it. What kind of error is it? How can i solve it?
iMac, macOS Sierra (10.12.6)