User Manual
Table Of Contents
- Precision 5770 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- 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
- Real-Time Clock (RTC Reset)
- Recovering the operating system
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Table 9. System setup options—Connection menu
Connection
Wireless Device Enable Enable or disable internal WLAN/Bluetooth devices.
By default, WLAN is selected.
By default, Bluetooth is selected.
Enable UEFI Network Stack
Enable UEFI Network Stack When enabled, UEFI networking protocols are installed and available, allowing
pre-OS and early OS networking features to use any enabled NICs. This may be
used without PXE turned on.
Default: ON
Wireless Radio Control
Control WLAN radio Enables to sense the connection of the computer to a wired network and
subsequently disable the selected wireless radios (WLAN and/or WWAN).
Upon disconnection from the wired network, the selected wireless radios are
re-enabled.
Default: OFF
Table 10. System setup options—Power menu
Power
Battery Configuration Enables the computer to run on battery during power usage hours. Use the
below options to prevent AC power usage between certain times of each day.
By default Adaptive is selected.
Advanced Configuration
Enable Advanced Battery Charge
Configuration
Enables Advanced Battery Charge Configuration from the beginning of the
day to a specified work period. Advanced Battery Charged maximizes battery
health while still supporting heavy use during the work day.
Default: OFF
Peak Shift Enables the computer to run on battery during peak power usage hours.
Default: OFF
Thermal Management Sets cooling fan and processor heat management to adjust system
performance, noise, and temperature.
By default, Optimized is selected.
USB Wake Support
Wake on Dell USB-C Dock Enables connecting a Dell USB-C Dock to wake the computer from Standby.
Default: ON
Block Sleep Blocks the computer from entering Sleep (S3) mode in the operating system.
Default: OFF
NOTE: If enabled, the computer will not go to sleep, Intel Rapid Start will
be disabled automatically, and the operating system power option will be
blank if it was set to Sleep.
Lid Switch
Enable Lid Switch Enables or disables the lid switch.
Default: ON
Power On Lid Open Enables the computer to power up from the off state whenever the lid is
opened.
54 BIOS setup