- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Inspiron 15 3521
- Secure Digital (SD) Card
- Base cover
- Battery
- Memory module
- M.2 solid-state drive
- 2.5-inch hard drive
- Wireless card
- Speakers
- System board thermal plate
- Touchpad
- Display assembly
- Display hinge caps
- Display bezel
- Display hinges
- Display panel
- Camera
- Display cable
- System board
- I/O daughter-board flexible flat cable
- I/O daughter-board
- Power button
- Power button with optional fingerprint reader
- Power-adapter port
- Display back-cover and antenna assembly
- Palm-rest and keyboard 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)
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Inspiron 15 3521 Service Manual
Installing the display panel
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the display panel and provide a visual representation of the installation procedure.
Steps
- Place the display panel and display assembly on a clean and flat surface.
- Connect the display cable to the connector at the back of the display panel and close the latch to secure the cable.
- Adhere the tape to secure the display-cable connector latch to the back of the display panel.
- Turn the display panel over and place the display panel on the display back-cover.
- Lift the bottom side of the display panel and slide the top side into the slots at the top of the display back-cover.
- Gently push down on the edges of the display panel until it clicks into the tabs on the display back-cover.
Next steps
- Install the display hinges.
- Install the display bezel.
- Install the display hinge caps.
- Install the display assembly.
- Install the wireless card.
- Install the base cover.
- Install the secure digital card.
- Follow the procedure in After working inside your computer.
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