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

Installing the wireless card
CAUTION: To avoid damaging the wireless card, do not place any cables under it.
1 Align the notch on the wireless card with the tab on the wireless-card slot and slide the wireless card into the wireless-card slot.
2 Route the antenna cable through the routing guide.
3 Connect the antenna cables to the wireless card.
The following table provides the antenna-cable color scheme for the wireless card supported by your computer:
Table 1. : Wirelesscard colour scheme
Connectors on the wireless card Antenna-cable color
Main (white triangle) White
Auxiliary (black triangle) Black
4 Press down the other end of the wireless card and align the screw hole on the wireless-card bracket and wireless card with the screw
hole on the system board.
5 Replace the screw (M2X2.5) that secures the wireless-card bracket and the wireless card to the system board.
6 Align the screw holes on the wireless-card shield with the screw holes on the system board.
7 Replace the two screws (M2X2.5) that secure the wireless-card shield to system board.
8 Route the antenna cables through the securing clip.
9 Install the:
a system-board shield
b back cover
c USB dongle-bay cover
10 Follow the procedure in After working inside your computer
Stand
Removing stand
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a USB dongle-bay cover
b back cover
3 Remove the six screws (M4X6) that secure the stand to the middle frame [1].
4 Lift the stand o the computer [2].
Removing and installing components
27