Dell Latitude 3400 User Manual

Installing the coin cell battery
Steps
1. With the positive-side facing up, insert the coin cell battery into the battery socket on the I/O board [1].
2. Press the battery until it clicks into place [2].
Next steps
1. Replace the IO board
2. Replace the hard drive assembly
3. Reconnect the battery cable.
4. Replace the base cover
5. Replace the SD memory card
6. Follow the procedure in after working inside your computer
IO board
Removing the IO board
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the SD memory card.
3. Remove the base cover.
4. Disconnect the battery.
5. Remove the hard drive assembly.
NOTE: Required for systems with 42 Whr battery
Removing and installing components 31

Dell Latitude 3400 Specifications

General

Graphics	Intel UHD Graphics 620
Operating System	Windows 10 Pro
Processor	Intel Core i3/i5/i7 (8th Gen)
Display	14-inch HD (1366 x 768)
RAM	Up to 32GB DDR4
Battery	3 Cell 42Whr ExpressCharge™ Battery, 4 Cell 56Whr ExpressCharge™ Battery
Ports	2 x USB 3.1, 1 x USB 2.0, HDMI, RJ-45, SD card reader
Wireless	802.11ac Wi-Fi, Bluetooth 5.0