startup disk
System launch drive
A startup disk is a storage device containing an operating system that a computer can boot from.
Most computers use their internal hard drive as the startup disk, but external drives, USB drives, or optical discs can serve the same purpose: Hold down Option to select a different startup disk.
The term appears most often in Mac contexts.
- bootHigh shoe or startup
- boot sequenceComputer startup process
- driveOperate a vehicle
- external driveRemovable storage hardware
- systemConnected parts forming whole
partition · recovery · system restore · BIOS · operating system · install · format · erase · clone · clean install · restore · volume · macOS · boot camp · startup sound · safe mode · Windows · USB
- discsCD, DVD, record, diskette, vinyl record
- floppy disksdiskette
- storage deviceshard drive, SSD, flash drive, USB drive, SD card
startup diskexternal storage
Data saved outside computer
backup drive · external hard drive · USB flash drive · storage drive · network drive
start, disk, starts, started, starting, starter, starters, restart, restarts