Dell Latitude 7390 User Manual

3. Install the:
a. display assembly
b. WLAN card
c. WWAN card
d. battery
e. base cover
4. Follow the procedure in After working inside your computer.
System board
Removing system board
Steps
1. Follow the procedure in Before working inside your computer.
NOTE: 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. PCle SSD
f. SATA SSD
g. WLAN card
h. WWAN card
i. heat sink assembly
To identify the screws, see screw list
3. To remove the memory module bracket:
a. Remove the M2 x 3 screw (1) that secure memory module bracket to the system board [1].
NOTE:
The DDR ESD bracket is a pre-removal part when replacing the system board. Ensure that the DDR ESD
bracket is reinstalled to the new replacement system board.
b. Lift the memory module bracket from the system board [2].
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Removing and installing components

Dell Latitude 7390 Specifications

General

Graphics	Intel UHD Graphics 620
Operating System	Windows 10 Pro
Processor	Intel Core i5-8250U / i7-8650U
Display	13.3-inch FHD (1920 x 1080)
RAM	16GB DDR4
Storage	256GB/512GB SSD
Battery	4-cell 60Whr
Ports	2 x USB 3.1, 1 x USB Type-C, HDMI, MicroSD card reader
Wireless	Intel Dual Band Wireless-AC 8265 Wi-Fi + Bluetooth 4.2