iMac
When I turn on my iMac all I get is a white screen
When I turn on my iMac all I get is a white screen
if you're using an Intel iMac (21" and 27") and not a newer "M" (24") see this link on reseting your SMC and PRAM
disconnect all external devices except OEM keyboard and mouse. repeat each step 3x
https://support.apple.com/en-us/HT201295
if you're using an Intel iMac (21" and 27") and not a newer "M" (24") see this link on reseting your SMC and PRAM
disconnect all external devices except OEM keyboard and mouse. repeat each step 3x
https://support.apple.com/en-us/HT201295
iMac