HP ProDesk 400 G4 Desktop Mini PC Instrukcja Użytkownika Pobierz pdf (Strona 16)

Removing and installing the access panel

NOTE: For the HP EliteDesk 800 35W, see Removing and installing the access panel of the HP EliteDesk 800

35W on page 11.

Removing the access panel

To access internal components, you must remove the access panel:

WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components to

cool before you touch them.

1. Remove/disengage any security devices that prohibit opening the computer.

2. Remove all removable media, such as a USB ash drive, from the computer.

3. Turn o the computer properly through the operating system, then turn o any external devices.

4. Disconnect the power cord from the AC outlet and disconnect any external devices.

CAUTION: Regardless of the power-on state, voltage is always present on the system board 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.

5. If the computer is on a stand, remove the computer from the stand. Then position the computer right-

side up on a stable surface.

6. Loosen the thumbscrew (1) on the rear panel as shown in the following image.

NOTE: If necessary, a Torx T-15 screwdriver may be used to loosen the thumbscrew.

7. Slide the access panel forward, and lift it o the computer (2).

WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components

to cool before you touch them.

NOTE: Your computer model may look slightly dierent from the illustrations in this section.

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HP ProDesk 400 G4 Desktop Mini PC Instrukcja Użytkownika Strona 16