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Can any please answer me please why my imac keeps on restarting i did every thing even put new hard drive checked the hardware video card ,changed the ram get it checked by apple dealer they advised me there is nothing wrong wit it but it still restarts
iMac 27", macOS 10.13
What is the exact model of your computer? You can get this information by clicking the Apple menu and selecting "About this mac".
Did you perform a clean install of macOS on the new hard drive without restoring from backup and without installing any third party apps? This is the only way to test for a hardware issue and eliminate software issues and preference issues.
Try an SMC reset & PRAM reset (hold the PRAM reset for a full minute so it activates several times).
What is the exact model of your computer? You can get this information by clicking the Apple menu and selecting "About this mac".
Did you perform a clean install of macOS on the new hard drive without restoring from backup and without installing any third party apps? This is the only way to test for a hardware issue and eliminate software issues and preference issues.
Try an SMC reset & PRAM reset (hold the PRAM reset for a full minute so it activates several times).
Imac
