Service Manual
Table Of Contents
- Precision 7670 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 7670
- Base cover
- Battery
- SIM card
- Compression Attached Memory (CAMM) module
- Memory modules
- Memory interposer board
- Solid State Drive
- Secondary M.2 solid-state drive
- Heat sink
- GPU card
- GPU power cable
- Power button board
- Power button
- Speakers
- Inner frame
- SD card reader FPC
- SD card reader
- System board
- Coin-cell battery
- Display assembly
- Power-adapter port
- Smart-card reader
- Keyboard
- Palm rest
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System-diagnostic lights
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Table 8. System setup options—Display menu (continued)
Display
Direct Graphics Controller Direst Output
Mode
Enable or disable the Direct Graphics Controller Direst Output Mode.
By default, the option is disabled.
Table 9. System setup options—Connection menu
Connection
Network Controller Configuration
Integrated NIC Enable or disable the on-board LAN controller.
By default, the Enabled with PXE option enabled.
Wireless Device Enable
WWAN/GPS Enable or disable the internal WWAN/GPS device.
By default, the option enabled.
WLAN Enable or disable the internal WLAN device.
By default, the option enabled.
Bluetooth Enable or disable the internal Bluetooth device
By default, the option enabled.
Contactless smartcard/NFC Enable or disable the internal Contactless smartcard/NFC device
By default, the option enabled.
Enable UEFI Network Stack Enable or disable UEFI Network Stack and controls the on-board LAN
Controller.
By default, the Auto enabled option is selected.
Wireless Radio Control
Control WLAN radio Sense the connection of the system to a wired network and later disable the
selected wireless radios (WLAN).
By default, the option is disabled.
Control WWAN radio Sense the connection of the system to a wired network and later disable the
selected wireless radios (WWAN).
By default, the option is disabled.
Dynamic Wireless Transmit Power Enable or disable the Dynamic Wireless Transmit Power of WLAN device.
By default, the Dynamic Wireless Transmit Power option is selected.
HTTPs Boot Feature
HTTPs Boot Enable or disable the HTTPs Boot feature.
By default, the ON option is enabled.
HTTPs Boot Mode With Auto Mode, the HTTPs Boot extracts Boot URL from the DHCP. With
Manual Mode, the HTTPs Boot reads Boot URL from the user-provided data.
By default, the Auto Mode option is enabled.
Table 10. System setup options—Power menu
Power
Battery Configuration Enables the system to run on battery during peak power usage hours. Use the
table Custom Charge Start and Custom Charge Stop to prevent AC power
usage between certain times of each day.
BIOS setup 97