HP t628 t628 Thin Client - Page 19

Replacing a WLAN module, Remove the Phillips PM2.0×3.0 screw

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Replacing a WLAN module An optional WLAN module may be installed in the thin client. NOTE: The WLAN module sits under the front I/O board. While this board does not inhibit removal of the WLAN module, the board makes it difficult to locate the M.2 connector and replace the WLAN module. WARNING! To reduce the risk of personal injury or equipment damage from electric shock, hot surfaces, or fire, disconnect the AC power cord from the AC outlet and allow the internal system components to cool before you touch them. To replace a WLAN module: 1. Remove/disengage any security devices that prohibit opening the thin client. 2. Remove all removable media, such as USB flash drives, from the thin client. 3. Turn off the thin client properly through the operating system, and then turn off any external devices. 4. Disconnect the AC 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 AC power cord to avoid damage to the internal components of the thin client. 5. Remove the stand from the thin client. 6. Lay the unit flat on a stable surface with the right side up. 7. Remove the thin client access panel. See Removing and replacing the access panel on page 9. WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components to cool before you touch them. 8. Locate the WLAN module on the system board. See Locating internal components on page 11. 9. Disconnect the WLAN antenna cables (1) from the terminal on the WLAN module. NOTE: The number of antenna cables may vary. 10. Remove the Phillips PM2.0×3.0 screw (2) that secures the WLAN module to the system board. (The WLAN module tilts up.) Replacing a WLAN module 13

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Replacing a WLAN module
An optional WLAN module may be installed in the thin client.
NOTE:
The WLAN module sits under the front I/O board. While this board does not inhibit removal of the
WLAN module, the board makes it
difficult
to locate the M.2 connector and replace the WLAN module.
WARNING!
To reduce the risk of personal injury or equipment damage from electric shock, hot surfaces, or
fire,
disconnect the AC power cord from the AC outlet and allow the internal system components to cool
before you touch them.
To replace a WLAN module:
1.
Remove/disengage any security devices that prohibit opening the thin client.
2.
Remove all removable media, such as USB
flash
drives, from the thin client.
3.
Turn
off
the thin client properly through the operating system, and then turn
off
any external devices.
4.
Disconnect the AC 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 AC power cord to avoid damage
to the internal components of the thin client.
5.
Remove the stand from the thin client.
6.
Lay the unit
flat
on a stable surface with the right side up.
7.
Remove the thin client access panel. See
Removing and replacing the access panel
on page
9
.
WARNING!
To reduce risk of personal injury from hot surfaces, allow the internal system components
to cool before you touch them.
8.
Locate the WLAN module on the system board. See
Locating internal components
on page
11
.
9.
Disconnect the WLAN antenna cables
(1)
from the terminal on the WLAN module.
NOTE:
The number of antenna cables may vary.
10.
Remove the Phillips PM2.0×3.0 screw
(2)
that secures the WLAN module to the system board. (The
WLAN module tilts up.)
Replacing a WLAN module
13