- Notes, cautions, and warnings
- Working on your computer
- Removing and
installing components
- Recommended tools
- Subscriber Identity Module(SIM) board
- Base cover
- Battery
- Solid State Drive (SSD)
- Hard drive
- Coin cell battery
- WLAN card
- WWAN card
- Memory module
- Keyboard
- Heat sink
- Power connector port
- Chassis frame
- System board
- SmartCard module
- LED board
- Speaker
- Hinge cap
- Display assembly
- Display bezel
- Display hinges
- Display panel
- eDP cable
- Camera
- Palm rest
- Technology and components
- System setup
options
- Boot Sequence
- Navigation keys
- System Setup overview
- Accessing System Setup
- General screen options
- System Configuration screen options
- Video screen options
- Security screen options
- Secure Boot screen options
- Intel Software Guard Extensions
- Performance screen options
- Power Management screen options
- POST Behavior screen options
- Virtualization support screen options
- Wireless screen options
- Maintenance screen options
- System Log screen options
- Updating the BIOS in Windows
- System and setup password
- Technical specifications
- System specifications
- Processor specifications
- Memory specifications
- Storage specifications
- Audio specifications
- Video specifications
- Camera specifications
- Communication specifications
- Port and connector specifications
- Contactless smart card specifications
- Contact smart card specifications
- Display specifications
- Keyboard specifications
- Touchpad specifications
- Battery specifications
- AC Adapter specifications
- Physical specifications
- Environmental specifications
- Diagnostics
- Contacting Dell
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Dell Precision 3520 Owner's Manual
Removing the Subscriber Identification Module (SIM) card
- CAUTION: Removing the SIM card when the computer is on may cause data loss or damage the card. Ensure your computer is turned off or the network connections are disabled.
- Insert a paperclip or a SIM card removal tool into the pinhole on the SIM card tray.
- Pull the SIM card tray to remove it.
- Remove the SIM card from the SIM card tray.
- Push the SIM card tray into the slot until it clicks into place.
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