Secondly a blank white page with mouse cursor when I try only "option" hold press while turning on. Except these two options either questions mark page with all combination of hold press keys, or Now I can't get to any recovery mode, or boot mode, none of the key combination work in this case. Now when I restarted the pc, I see a blinking question mark folder. Still the same issue, takes me to the page High Sierra download and that won't do.Īm unable to restore the os to its original OS which came alongwith it when at the time of purchase.Īfter quiet hour's of try, I felt sleep. And now when I tried to reinstall OS from recovery Mac OS. I erased(using DiskStation utility in boot) the Macintosh HD all data, to clean install. Now again as per the apple service care, I followed the instructions to internet recovery. Show's High Sierra to download and continue. I tried to command+R to re install from recovery mac os. I found it running fine except for camera hardware and mic. I have upgraded to high Sierra(Unsupported OS) from el capitan (which is max supported OS on this Mac). I recently encountered a problem with my old MacBook early 2009 mb5.2 model. You can try internet recovery or booting off of install media and going to the disk utility to check the status of the drive. Did you happen to get any liquid on it or sit it in a puddle of water? The flashing question mark means it cannot detect the hard drive. Turn off the firmware password from macOS Recovery, then restart and reset NVRAM.Įject (⏏), F12, mouse button, or trackpad button Eject removable media, such as an optical disc. If your Mac is using a firmware password, this combination causes your Mac to start up from macOS Recovery instead. Option-Command (⌘)-P-R Reset NVRAM (or PRAM). macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. Option-Command-R to start up from macOS Recovery over the Internet. IMac Pro doesn't support this startup key.Ĭommand-R Start up from the built-in macOS Recovery system. To use the default boot image on the NetBoot server, hold down Option-N instead. N Start up from a compatible NetBoot server, if available. Or use Option-D to start up from this utility over the Internet. If your Mac is using a firmware password, you're asked to enter the password first.ĭ Start up from the built-in Apple Hardware Test or Apple Diagnostics utility, depending on your Mac model. Option (⌥) Start up to Startup Manager, which allows you to choose other startup disks, if available.
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