- Notes, cautions, and warnings
- Before working inside your computer
- After working inside your computer
- Technical overview
- Removing the side panel
- Replacing the side panel
- Removing the wireless card
- Replacing the wireless card
- Replacing the optical drive
- Removing the optical drive
- Removing the memory module
- Replacing the memory module
- Removing the hard drive
- Replacing the hard drive
- Removing the graphics card
- Replacing the graphics card
- Removing the solid-state drive
- Replacing the solid-state drive
- BIOS setup program
- Flashing the BIOS
- Getting help and contacting Alienware
Alienware X51 Service Manual
Boot sequence
This feature allows you to change the sequence of devices that
your computer attempts to boot from. If the computer cannot boot from
the device you select, it attempts to boot from the next bootable
device. You can use this feature to change the:
- Current Boot Sequence — change the boot sequence for the current boot, for example, to boot from the optical drive to run Alienware Diagnostics from the Drivers and Utilities disc or to reinstall your operating system using an external media. The previous boot sequence is restored at the next boot.
- Future Boot Sequence — change the boot sequence for all future boots, for example, to boot from the primary hard drive.
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