Dell Vostro 3420 - Display hinges; Removing the display hinges

Steps
1. Place the display panel and display assembly on a clean and flat surface.
2. Connect the display cable to the connector on the display panel and close the latch.
3. Adhere the tape to secure the display-cable connector latch to the display panel.
4. Lift and rotate the display panel, and then place the display panel on the display assembly.
5. Place the display bezel on the display assembly.
6. Align the tabs on the display bezel to the slots on the display assembly.
7. Press down on the display bezel and snap the display bezel in place.
8. Replace the two (M2x2) screws to secure the display panel to the back cover.
Next steps
1. nstall the display hinges.
2. Install the display bezel.
3. Install the hinge caps.
4. Install the display assembly.
5. Install the wireless card.
6. Install the SSD - M.2 2230 solid-state drive or M.2 2280 solid-state drive, whichever applicable.
7. Install the base cover.
8. Follow the procedure in After working inside your computer.
Display hinges
Removing the display hinges
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive, whichever applicable.
4. Remove the wireless card.
5. Remove the display assembly.
6. Remove the hinge caps.
7. Remove the display bezel.
NOTE: This procedure applies for models shipped with a plastic chassis only.
About this task
The following images indicate the location of the display hinges and provide a visual representation of the installation procedure.
Removing and installing components
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