HP iPAQ H3850 Buttons Replacement

Introduction

If you need to replace the buttons on your HP iPAQ H3850, then this guide will help you. This repair should be your first step if the buttons of your iPAQ are not working. If the buttons still don't function after this repair, there might be a more serious problem with your device.

This repair will require careful manipulation of small parts of your device. If you are not comfortable working with your hands and small tools, get help from someone who is. Make sure to have eye glasses nearby if you typically need them.

If you need more help with fixing your HP iPAQ H3850 device, check out our troubleshooting guide which has information on the buttons replacement as well as other related fixes.

Before beginning this repair, be sure to completely turn off your device and disconnect it from all cords and power sources. Additionally, take caution in using any sharp tools.

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Étape 1 Buttons

HP iPAQ H3850 Buttons Replacement, Buttons: étape 1, image 1 de 2

HP iPAQ H3850 Buttons Replacement, Buttons: étape 1, image 2 de 2

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

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Étape 2

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

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Étape 3

Carefully remove the back cover using the 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.

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Étape 4

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.

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Étape 5

HP iPAQ H3850 Buttons Replacement: étape 5, image 3 de 3

Use the plastic opening tool to carefully remove the display logic board from its housing.
Unplug connector from the opposite end of the display logic board.
Completely remove component.

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Étape 6

Remove three small screws from corners as shown, from the motherboard using phillips head screwdriver.
Use your hands/plastic opening tool to carefully lift the mother board out of housing.
Locate two screw holding silver button logic cover, use 00 screw driver to remove cover.