How to run cd on startup mac

21 thoughts on “7 Mac Startup Options Every OS X User Should Know”

If your Mac is already up-to-date, the firmware installer will alert you and no installation will take place. Clean your media It may seem like common sense, but dirty optical media has been the cause of failed startups for a number of users. Use a soft cloth if there is liquid or otherwise sticky residue, slightly dampen the cloth with plain water to gently wipe the optical side of the startup media. Like what you've found in this tutorial?

Help! Macbook won't boot from CD!

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Discussion threads can be closed at any time at our discretion. Don't show this again. Resources subscribing to MacFixIt Pr If your Mac uses a tray to hold the DVD, make sure that it retracts and that the disc is in. Continue pressing until the drive tray pops out; then release. Any of those is your cue to try Step 4.

How to Boot from USB on Mac, Windows or Linux

It displays icons for any bootable discs that it sees and allows you to select one including the installation DVD. This technique is quite useful if your usual boot disk is damaged or having an identity crisis during startup. The service representatives there may be able to suggest something else that you can try.