HP iPAQ H3850 disassembly for cleaning

To begin the disassembly of the device, place it on a flat surface with the screen facing down.

Remove the four screws found on the back cover of the device.

Carefully remove the back cover using a plastic opening tool against the grooves along the sides of the iPAQ.

At this point, a yellow ribbon will be connecting both the front and back panels of the device. Carefully use the plastic opening tool to detach the ribbon from the connector pins.

Remove SD card on top of device by pushing and then releasing.

Remove ribbon cable connected to display logic board by pulling plastic clips on both sides towards top of device.

Use plastic opening tool to carefully pull brown ribbon cable from connector.

Use plastic opening tool to carefully remove display logic board from housing.

Unplug connector from the opposite end of the display logic board.

Completely remove display logic board.

Flip up black plastic clip on large ribbon cable connector located towards center of mother board.

Use plastic opening tool to carefully remove ribbon cable from connector.

Locate clear/grey ribbon cable in bottom corner of device.

Gently pry cable out of connector with plastic pry tool.

Use hands or tweezers to remove if necessary.

Use hands to gently unplug speaker and microphone connectors from mother board.

Make sure no more connections exist between mother board and housing.

Remove three screws anchoring mother board.

Use hands/plastic opening tool to carefully lift mother board out of housing.

Place the motherboard to the side.

Locate 4 blue plastic clips surrounding square screen housing.

Pry back clips with hands.

Use plastic opening tool to remove entire screen assembly from housing.