Dell Precision 5540 User Manual

Installing power button
Steps
1. Align the power button into the slot on the system chassis.
2. Replace the M1.6x3 (2) screws that secure the power button to the system board.
3. Install the:
a. Battery
b. Base cover
4. Follow the procedures in After Working Inside Your Computer.
Power button with fingerprint reader -optional
Removing power button with fingerprint reader
Steps
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. base cover
b. battery
3. Perform the following steps to remove the power button:
a. Remove the M1.6x3 (2) screws that secure the power button to the system board [1].
NOTE:
There are two power button options:
● Power button function with light indicator.
38 Disassembly and reassembly

Dell Precision 5540 Specifications

General

Graphics	NVIDIA Quadro T1000 or T2000
Processor	Intel Core i5, i7, i9, or Intel Xeon
Display	15.6" FHD (1920x1080) or UHD (3840x2160)
Memory	Up to 64GB DDR4
Storage	Up to 4TB PCIe SSD
Operating System	Windows 10 Pro or Ubuntu
Weight	Starting at 1.78 kg (3.9 lbs)
Battery	97Whr or 56Whr
Ports	HDMI 2.0, SD card reader
Wireless	Bluetooth 5.0
Camera	720p HD camera
Audio	Stereo speakers with MaxxAudio Pro