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My iMac was stuck on the white startup screen, so i've tried various ways of rebooting it like the command + R options, but after it reaches the internet startup page it loads and the screen goes white again. I have a late 2011 model which is running High Sierra. I think it's a hard drive issue, but is there anything else i can try before having to take it to a specialist?
Hello,
Do you hear a clicking sound whenever your Mac tries to startup? Whenever your Mac starts up into Recovery, open Disk Utility > Look to see if Disk Utility can detect your Mac’s hard disk.
Have you tried resetting your Mac’s SMC, NVRAM/PRAM? Have you run Apple Hardware Test?
How to reset the System Management Controller (SMC) on your Mac - Apple Support
Reset NVRAM or PRAM on your Mac - Apple Support
Hello,
Do you hear a clicking sound whenever your Mac tries to startup? Whenever your Mac starts up into Recovery, open Disk Utility > Look to see if Disk Utility can detect your Mac’s hard disk.
Have you tried resetting your Mac’s SMC, NVRAM/PRAM? Have you run Apple Hardware Test?
How to reset the System Management Controller (SMC) on your Mac - Apple Support
Reset NVRAM or PRAM on your Mac - Apple Support
Mac stuck on startup
