Removing an External 5.25-inch or 3.5-inch Drive
Remove/disengage any security devices that prohibit opening the computer.
Remove all removable media, such as compact discs or USB flash drives, from the computer.
Turn off the computer properly through the operating system, then turn off any external devices.
Disconnect the power cord from the power outlet and disconnect any external devices.
long as the system is plugged into an active AC outlet. You must disconnect the power cord to
avoid damage to the internal components of the computer.
Remove the access panel and front bezel.
Disconnect the drive cables, as indicated in the following illustrations.
If you are removing a 5.25-inch optical drive, disconnect the power cable (1) and data cable
(2) from the back of the drive.
All removable media should be taken out of a drive before removing the drive from the
Regardless of the power-on state, voltage is always present on the system board as
Disconnecting the Optical Drive Cables
Installing and Removing Drives