Dell Latitude 7280 Owners Manual - Page 35

System board, Removing system board

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4. Install the: a. display bezel b. display assembly c. WLAN card d. WWAN card e. battery f. base cover 5. Follow the procedure in After working inside your computer. System board Removing system board 1. Follow the procedure in Before working inside your computer. 1. If your computer is shipped with a WWAN card, then the removal of a blank SIM card tray is a requirement. 2. Remove the: a. SIM card b. base cover c. battery d. memory module e. PCIe SSD f. WLAN card g. WWAN card h. heat sink assembly 2. 3. To disconnect the eDP cable: NOTE: If your system is shipped with an IR camera, then the IR cable must be disconnected. The IR cable is located beneath the eDP cable connector a. Un route the WLAN and WWAN cables from the routing channels [1]. b. Remove the M2.0 x 3.0 screws that secure the eDP cable [2]. c. Remove the eDP cable bracket [3]. d. Disconnect the eDP cable from the system board [4]. e. Lift the tape that secures the eDP cable to the system board [5]. Disassembly and reassembly 35

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4.
Install the:
a.
display bezel
b.
display assembly
c.
WLAN card
d.
WWAN card
e.
battery
f.
base cover
5.
Follow the procedure in
After working inside your computer
.
System board
Removing system board
1.
Follow the procedure in
Before working inside your computer
.
1.
If your computer is shipped with a WWAN card, then the removal of a blank SIM card tray is a requirement.
2.
Remove the:
a.
SIM card
b.
base cover
c.
battery
d.
memory module
e.
PCIe SSD
f.
WLAN card
g.
WWAN card
h.
heat sink assembly
2.
3.
To disconnect the eDP cable:
NOTE:
If your system is shipped with an IR camera, then the IR cable must be disconnected. The IR cable is located
beneath the eDP cable connector
a.
Un route the WLAN and WWAN cables from the routing channels [1].
b.
Remove the M2.0 x 3.0 screws that secure the eDP cable [2].
c.
Remove the eDP cable bracket [3].
d.
Disconnect the eDP cable from the system board [4].
e.
Lift the tape that secures the eDP cable to the system board [5].
Disassembly and reassembly
35