HP Pavilion dm4 Maintenance And Service Manual page 122

15. Remove the backlight cables (1) from the clip (2) in the display panel.
16. Turn the display panel upside-down.
WARNING!
backlight to avoid damaging this component and causing exposure to the mercury.
17. Remove the backlight frame from the display panel.
114 Chapter 10 Recycling
The backlight contains mercury. Exercise caution when removing and handling the