Dell Latitude 7640 XFCM2 Manuals

Manuals and User Guides for Dell Latitude 7640 XFCM2. We have 1 Dell Latitude 7640 XFCM2 manual available for free PDF download: Service Manual

Dell Latitude 7640 XFCM2 Service Manual (94 pages)

Brand: Dell | Category: Laptop | Size: 48 MB

Table of Contents
3
Chapter 1: Working Inside Your Computer
6
Safety Instructions
6
Before Working Inside Your Computer
6
Safety Precautions
7
Standby Power
7
Electrostatic Discharge-ESD Protection
7
ESD Field Service Kit
8
ESD Protection Summary
9
Transporting Sensitive Components
9
After Working Inside Your Computer
9
Bitlocker
9
Chapter 2: Removing and Installing Components
10
Recommended Tools
10
Screw List
10
Major Components of Latitude 7640
11
Nanosim-Card Tray
13
Removing the Nanosim-Card Tray
13
Installing the Nanosim-Card Tray
14
Base Cover
15
Removing the Base Cover
15
Installing the Base Cover
17
Solid-State Drive
19
Removing the M.2 2230 Solid-State Drive
19
Installing the M.2 2230 Solid-State Drive
20
Wireless Wide Area Network (WWAN) Card
21
Removing the 4G WWAN Card
21
Installing the 4G WWAN Card
22
Removing the 5G WWAN Card
23
Installing the 5G WWAN Card
24
Battery
26
Lithium-Ion Battery Precautions
26
Removing the 2-Cell Battery
26
Installing the 2-Cell Battery
27
Removing the 3-Cell Battery
28
Installing the 3-Cell Battery
29
Battery Cable
30
Removing the Battery Cable
30
Installing the Battery Cable
31
Heat Sink
32
Removing the Heat-Sink
32
Installing the Heat-Sink and Fan Assembly
33
Coin-Cell Battery
34
Removing the Coin-Cell Battery
34
Installing the Coin-Cell Battery
35
Display Assembly
36
Removing the Display Assembly
36
Installing the Display Assembly
39
Speakers
42
Removing the Speakers
42
Installing the Speakers
43
Smart Card Reader
44
Removing the Smart Card Reader
44
Installing the Smart Card Reader
46
System Board
49
Removing the System Board
49
Installing the System Board
51
WLAN-Antenna Module
54
Removing the WLAN-Antenna Module
54
Installing the WLAN-Antenna Module
55
I/O Daughter-Board
56
Removing the I/O Daughter-Board
56
Installing the I/O Daughter-Board
59
Power Button with Optional Fingerprint Reader
62
Removing the Power Button with Optional Fingerprint Reader
62
Installing the Power Button with Optional Fingerprint Reader
63
Keyboard
64
Removing the Keyboard
64
Installing the Keyboard
65
Palm-Rest Assembly
67
Removing the Palm-Rest Assembly
67
Installing the Palm-Rest Assembly
68
Chapter 3: Drivers and Downloads
70
Chapter 4: BIOS Setup
71
Entering BIOS Setup Program
71
Navigation Keys
71
One Time Boot Menu
71
System Setup Options
72
Updating the BIOS
82
Updating the BIOS in Windows
82
Updating the BIOS in Linux and Ubuntu
83
Updating the BIOS Using the USB Drive in Windows
83
Updating the BIOS from the F12 One-Time Boot Menu
83
System and Setup Password
84
Assigning a System Setup Password
84
Deleting or Changing an Existing System Setup Password
85
Clearing CMOS Settings
85
Clearing BIOS (System Setup) and System Passwords
86
Clearing Chassis Intrusion Alert
86
Chapter 5: Troubleshooting
88
Handling Swollen Lithium-Ion Batteries
88
Dell Supportassist Pre-Boot System Performance Check Diagnostics
88
Running the Supportassist Pre-Boot System Performance Check
89
Built-In Self-Test (BIST)
89
M-Bist
89
LCD Power Rail Test (L-BIST)
90
LCD Built-In Self Test (BIST)
90
System-Diagnostic Lights
90
Recovering the Operating System
92
Real-Time Clock (RTC Reset)
92
Backup Media and Recovery Options
93
Wi-Fi Power Cycle
93
Drain Residual Flea Power (Perform Hard Reset)
93
Chapter 6: Getting Help and Contacting Dell
94
Self-Help Resources
94

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Dell Latitude 7640 XFCM2 Service Manual (94 pages)

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