Replacing Drives; Replacing A Hard Drive; Removing A Hard Drive; Removing A 3.5-Inch Hard Drive - HP ProOne 400 G1 All-in-One Hardware Reference Manual

22. Turn on the computer.
23. Reset the date and time, your passwords, and any special system setups using Computer
Setup.

Replacing drives

Replacing a hard drive

The hard drive is located behind the access panel on the lower left side of the computer (when
viewed from behind). The drive is housed in a removable cage.
Any one of the following may be installed in the computer:
●
One 3.5-inch hard drive
●
One 2.5-inch solid state drive (SSD), self-encrypting drive (SED), or solid state hybrid drive
(SSHD)
NOTE:
drive.
●

Removing a hard drive

●
Installing a hard drive
Removing a hard drive
●

Removing a 3.5-inch hard drive

●
Removing a 2.5-inch solid state drive (SSD), self-encrypting drive (SED), or solid state hybrid
drive (SSHD)
Removing a 3.5-inch hard drive
1. Remove all removable media, such as optical discs or USB flash drives, from the computer.
2. Turn off the computer properly through the operating system, then turn off any external devices.
3. Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION:
as 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.
4. Remove/disengage any security devices that prohibit opening the computer.
5. Place the computer face down on a soft flat surface. HP recommends that you set down a
blanket, towel, or other soft cloth to protect the bezel and screen surface from scratches or other
damage.
6. Loosen the two captive screws at the bottom of the computer (1) to release the bottom edge of
the access panel.
32 Chapter 3 Hardware repair and upgrade
The 2.5-inch drive option kit from HP also contains the adapter required to install this
Regardless of the power-on state, voltage is always present on the system board