- Notes, cautions, and warnings
- Working on your computer
- Technology and components
- Removing and installing components
- Recommended tools
- Screw size list
- SD card
- Battery cover
- Battery
- Keyboard
- Base cover
- Primary memory module
- Secondary memory module
- WWAN card
- WLAN card
- SIM card
- Solid State Drive
- 2.5" Hard drive
- Hard drive interposer board
- Coin-cell battery
- Power connector port
- Palm rest
- Touchpad button
- Smart card cage
- Speaker
- LED board
- Heat sink
- Graphics card
- System board
- Display assembly
- Display bezel
- Display panel
- Display hinges
- Camera
- eDP cable
- Display bracket
- BIOS setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Enhanced Pre-Boot System Assessment — ePSA diagnostics
- Built-in self-test (BIST)
- Diagnostic LED
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Battery status LED
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help
Dell Precision 7740 Service Manual
Recommended tools
The procedures
in this document require the following tools:
- Phillips #0 screwdriver
- Phillips #1 screwdriver
- Plastic scribe
NOTE The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4
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