Introduction
In this guide, the replacement of the motherboard of a HP EliteBook 840 Aero G8 will be demonstrated. This replacement may be necessary as a last resort fix for a computer, as individual parts will usually break before a motherboard does. The main reasons will most likely be poor general performance or physical damage to the board.
The tools necessary will be a Phillips Head #0 (PH0) screwdriver, a Phillips Head #1 (PH1) screwdriver, an iFixit opening tool, a spudger, and tweezers.
It is important to note the prerequisite guide, the HP EliteBook 840 Aero G8 Speakers Replacement Guide. The speaker system must be removed to begin this replacement.
-
-
Turn laptop upside down and remove the 5 housing screws using the Philips Head #0 (PH0). These screws will be 4.48mm in length
-
The cover will then be able to be removed using an iFixit opening tool
-
-
-
Using the iFixit opening tool, remove the right hand side speaker.
-
Using the iFixit opening tool, remove the left hand side speaker
-
-
-
Using the plastic spudger, disconnect the speaker power cable.
-
Remove wire from device apparatus until fully isolated.
-
The speaker system can now be removed from the computer to fix or replace as needed.
-
-
-
Using the spudger, unplug the battery from the motherboard.
-
Use the PH1 screwdriver to remove the screws from the battery, and then remove the battery.
-
Remove the battery.
-
-
-
Using the spudger, unplug the fan power cable from the motherboard.
-
Use the PH1 screwdriver to remove the three 4.48 mm screws.
-
Remove the fan from the computer.
-
-
-
Use the PH1 screwdriver to unscrew the heat sink from the motherboard.
-
Remove the heat sink from the computer.
-
-
-
Use ESD safe tweezers to disconnect the display cables from the WAN module.
-
Using a spudger, disconnect the display power cable from the motherboard.
-
-
-
Use a PH1 screwdriver to remove the 4.48 mm screw that secures the WWAN card on the left side of the motherboard.
-
Use a PH1 screwdriver to remove the 4.48 mm screw that secures the WLAN card located on the right side of the motherboard.
-
-
-
Using the iFixit opening tool, disconnect the camera power cable on the left hand side of the motherboard.
-
Using the iFixit opening tool, disconnect the camera connection cable from the right-hand side of the motherboard.
-
-
-
Using a PH1 screwdriver, remove the bracket holding the left side of the motherboard in place. These four screws will be the longer of the two different kinds found in this laptop, being 4.48mm long.
-
-
-
Use the PH1 screwdriver to remove the two 4.48mm screws from the motherboard.
-
Use the PH1 screwdriver to remove the three 2.52mm screws from the motherboard.
-
You can now remove the motherboard from the computer and replace or fix it as needed.
-
To reassemble your device, follow these instructions in reverse order.
