HP ProBook 4420s HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Mai - Page 156

WARNING, Remove the screws

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16. Turn the display panel upside-down. WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 17. Remove the backlight frame from the display panel. 18. Remove the backlight from the backlight frame. 19. Disconnect the display panel cable (1) from the LCD panel. 20. Remove the screws (2) that secure the LCD panel to the display rear panel. 21. Release the LCD panel (3) from the display rear panel. 148 Chapter 10 Recycling

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16.
Turn the display panel upside-down.
WARNING!
The backlight contains mercury. Exercise caution when removing and handling the
backlight to avoid damaging this component and causing exposure to the mercury.
17.
Remove the backlight frame from the display panel.
18.
Remove the backlight from the backlight frame.
19.
Disconnect the display panel cable
(1)
from the LCD panel.
20.
Remove the screws
(2)
that secure the LCD panel to the display rear panel.
21.
Release the LCD panel
(3)
from the display rear panel.
148
Chapter 10
Recycling