Service Manual
Table Of Contents
- Precision 3571 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Latitude 5531
- SIM card
- Micro Secure Digital (SD) Card
- Base cover
- Wireless card
- Wireless Wide Area Network (WWAN) Card
- Solid-state drives
- Removing the 2230 solid-state drive—SSD1 slot
- Installing the 2230 solid-state drive—SSD1 slot
- Removing the 2280 solid-state drive—SSD1 slot
- Installing the 2280 solid-state drive—SSD1 slot
- Removing the 2230 solid-state drive—SSD2 slot
- Installing the 2230 solid-state drive—SSD2 slot
- Removing the 2280 solid-state drive—SSD2 slot
- Installing the 2280 solid-state drive—SSD2 slot
- Memory
- Dummy hard-drive filler
- Hard-drive assembly
- Hard drive
- Battery
- Battery cable
- Assembly inner frame
- LED board
- Heat sink
- Speakers
- System board
- Power button with fingerprint reader
- Smart card reader
- Coin-cell battery
- Keyboard assembly
- Keyboard bracket
- Display assembly
- Display bezel
- Display panel
- Camera
- eDP/display cable
- Sensor board
- Display hinges
- Display back cover
- Dummy SIM-card slot filler
- Palm-rest assembly
- 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)
- Auto RTC reset
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
BIOS setup
CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program.
Certain changes can make your computer work incorrectly.
NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed.
NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen
information for future reference.
Use the BIOS Setup program for the following purposes:
● Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.
● Change the system configuration information.
● Set or change a user-selectable option, such as the user password, type of hard drive installed, and enabling or disabling
base devices.
BIOS overview
The BIOS manages data flow between the computer's operating system and attached devices such as hard disk, video adapter,
keyboard, mouse, and printer.
Entering BIOS setup program
Steps
1. Turn on your computer.
2. Press F2 immediately to enter the BIOS setup program.
NOTE:
If you wait too long and the operating system logo appears, continue to wait until you see the desktop. Then,
turn off your computer and try again.
Navigation keys
NOTE:
For most of the System Setup options, changes that you make are recorded but do not take effect until you restart
the system.
Table 4. Navigation keys
Keys Navigation
Up arrow Moves to the previous field.
Down arrow Moves to the next field.
Enter Selects a value in the selected field (if applicable) or follow
the link in the field.
Spacebar Expands or collapses a drop-down list, if applicable.
Tab Moves to the next focus area.
NOTE: For the standard graphics browser only.
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BIOS setup 125