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Airin's Notes

Category: Hardware 🠪 Apple
Startup Shortcut Keys
October 26, 2021
For all of the below keys, hold them as you power the computer on.
https://support.apple.com/en-us/HT201255
Keys Action/Result
Option Pick your startup device
D Run Diagnostics on hardware from local machine
Option-D Run Diagnostics on hardware, downloaded from internet
Command-R System Restore
Command-Option-R System Restore via Internet
Command-Option-P-R Reset PRAM
Command-S Terminal Window
Scan filesystem for issues (repeat several times):
fsck -fy


Keywords: OS X, OSX, Apple, Macintosh, Powerbook, Powermac, IMAC, Macbook, Pro




This site is meant to be used as a reference for myself, although others may find it useful. I use it to keep track of certain fixes, software, and other solutions which I may need while assisting customers. The page layout is pure HTML/CSS and is kept simple to optimize loading time and fast results.

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