HP ProBook 4310s Notebook PC and HP ProBook 4311s Notebook PC - Maintenance and Service Guide

Recycling
Maintenance and Service Guide 11–5
16. Turn the display panel upside down.
17. Remove the backlight frame from the display panel.
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WARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging
this component and causing exposure to the mercury.
18. Remove the backlight from the backlight frame.