Drive speed is measured in revolutions per minute (rpm), based on how fast the drive can spin. Most portable hard drives run at 5400 rpm. This reduced power draw helps preserve the battery life of the Mac you plug the drive into. Desktop external hard drives usually run at 7200 rpm to offer all the speed they can. Solution 1: Make sure your external hard drive is mounted in Disk Utility. Only when your external hard drive is mounted in Disk Utility that you can access files on the drive on Mac. So, if you can't see files on your external hard drive, you should at first check whether the external hard drive is showing up in Disk Utility and mounted.
To make a Mac act as an external hard disk, you can put it in TargetDisk Mode and connect it to another Mac with a FireWire orThunderbolt cable, as follows:
Note: Target Disk Mode is available on most recentMacs; however, computers that do not have FireWire or Thunderboltports are excluded.
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- Shut down the computer you want to use as an external hard disk(i.e., the target computer). If you are using a portable computer,make sure it is running on AC power. You don't need to power downthe other computer (i.e., the host computer).
- Connect the FireWire or Thunderbolt cable to the correspondingport of the target computer, and then connect the other end of thecable to the host computer's port.Note: If the computers have different kinds of ports(e.g., one has a FireWire 400 port while the other has a FireWire 800or Thunderbolt port), you will also need one or more adapters.
- Start up the target computer and hold down the letter
t
on its keyboard. Its drive will spin up, andits icon should appear on the host computer. The target computer'sdisplay will show a moving icon.
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Alternatively, you can do the following: Audio recording studio software, free download for windows 10.
- From the Apple menu, select System Preferences...
- In System Preferences, from the View menu, selectStartup Disk.
- In the
Startup Disk
preference pane, click Target Disk Mode...
Android software for pc. To exit Target Disk Mode, on the host computer, eject thetarget computer's disk, and then shut down thetarget computer. Disconnect the cable, and then start up thetarget computer; it will boot normally.