Owners Manual
Table Of Contents
- Precision 5720 All-in-One Owner’s Manual
- Working on your computer
- Removing and installing components
- USB dongle-bay cover
- Back cover
- Memory module
- Hard drive
- System board shield
- M.2 PCIe SSD
- Memory fan
- Heat sink
- Processor
- Coin cell battery
- WLAN card
- Stand
- System fan
- Power supply unit
- Inner frame
- Built-in self test button
- Microphone
- I/O panel
- USB-dongle port
- Diagnostic light and button board
- Drive cage
- Converter board
- Speaker
- Power button board
- Media card reader
- Camera
- System board
- Display assembly
- Middle frame
- Speaker bezel
- Display panel
- Technology and components
- System setup
- Software
- Troubleshooting
- Technical specifications
- System specifications
- Memory specifications
- Video specifications
- Audio specifications
- Communication specifications
- Connectors
- Display specifications
- Storage specifications
- Port and connector specifications
- Power specifications
- Camera specifications
- Stand specifications
- Physical specifications
- Environmental specifications
- Contacting Dell

Table 6. Navigation Keys
Keys Navigation
Up arrow Moves to the previous eld.
Down arrow Moves to the next eld.
<Enter> Allows you to select a value in the selected eld (if applicable) or follow the link in the eld.
Spacebar Expands or collapses a drop‐down list, if applicable.
<Tab> Moves to the next focus area.
NOTE: For the standard graphics browser only.
<Esc> Moves to the previous page till you view the main screen. Pressing <Esc> in the main screen displays a message
that prompts you to save any unsaved changes and restarts the system.
<F1> Displays the System Setup help le.
Updating the BIOS in Windows
It is recommended to update your BIOS (System Setup), on replacing the system board or if an update is available. For laptops, ensure that
your computer battery is fully charged and connected to a power outlet
NOTE
: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS
update is completed.
1 Restart the computer.
2 Go to Dell.com/support.
• Enter the Service Tag or Express Service Code and click Submit.
• ClickDetect Product and follow the instructions on screen,
3 If you are unable to detect or nd the Service Tag, click the Choose from all products.
4 Choose the Products category from the list.
NOTE
: Choose the appropriate category to reach the product page
5 Select your computer model and the Product Support page of your computer appears.
6 Click Get drivers and click Drivers and Downloads.
The Drivers and Downloads section opens.
7 Click Find it myself.
8 Click BIOS to view the BIOS versions.
9 Identify the latest BIOS le and click Download.
10 Select your preferred download method in the Please select your download method below window, click Download File.
The File Download window appears.
11 Click Save to save the le on your computer.
12 Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
NOTE
: It is recommended not to update the BIOS version for more than 3 revisions. For example: If you want to update the BIOS
from 1.0 to 7.0, then install version 4.0 rst and then install version 7.0.
System setup options
NOTE
: Depending on the computer and its installed devices, the items listed in this section may or may not appear.
88 System setup