Cross The Red Line Mac OS
Cross The Red Line Mac OS
Mar 25, 2011 I'm back and have downloaded the Mac update, but still there is a line and now a faint one going horizontal across the top of the screen. Mac Support Specialist: Mike, Mac Medic replied 9 years ago. Press the Power button then immediately press and hold the Option (Alt), Command, P, and R keys. Keep the keys pressed for around 20 seconds, even if your Mac appears to restart. If your Mac plays a startup sound, release the keys after you hear it chime for the second time. Explore the world of Mac. Check out MacBook Pro, MacBook Air, iMac, Mac mini, and more. Visit the Apple site to learn, buy, and get support.
- TechTool Pro 4.5.1 or higher are Intel Mac compatible; Drive Genius is similar to TechTool Pro in terms of the various repair services provided. Versions 1.5.1 or later are Intel Mac compatible. OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period.
- I thru-hiked the Appalachian Trail in 2015 and aim to accomplish the PCT next year! I hope to encourage folks get out on the trail and enjoy nature.
Circle with a line through it
Learn what to do if your Mac starts up to a circle with a line through it (prohibitory symbol).
Question mark
Learn what to do if your Mac starts up to a question mark.
Options with a gear icon
Learn what to do if your Mac starts up to Options with a gear icon.
Blank (empty) screen
Learn what to do if your Mac starts up to a blank screen, such as an empty gray, black, or blue screen.
Apple logo
Learn what to do if your Mac starts up to an Apple logo or progress bar.
Globe with alert symbol
A globe with an exclamation point means that your Mac tried to start up from macOS Recovery over the Internet, but couldn't. Learn what to do if your Mac can't start up from macOS Recovery.
Lock icon
If your Mac is using a firmware password, the lock icon appears when you try to start up from another disk or volume, such as an external drive or macOS Recovery. Enter the firmware password to continue.
System lock PIN code
Your Mac asks for a PIN code when it has been remotely locked using Find My. Enter the four-digit or six-digit passcode to continue.
Login window
The Red Line Tv Series
At the login window, enter your user account password to log in to your Mac. If FileVault is turned on, this also unlocks your disk. You might see a default desktop picture in the background, which might change to your chosen desktop picture when you select your account.
Thunderbolt, USB, or FireWire symbol
Cross The Red Line Mac Os Catalina
A large Thunderbolt , USB , or FireWire symbol against a dark background means that your Mac is in target disk mode.
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Mac Os Line
- Learn what to do if your Mac displays a message that it restarted because of a problem.
- When starting up from Windows using Boot Camp, your Mac doesn't show an Apple logo or the other macOS screens in this article.
Cross The Red Line Mac OS