The keyboard must be unseated to access the upper chassis screws and motherboard cables hidden underneath.
: Ensure all ZIF locking tabs on ribbon cables are firmly pressed down. A loose touchpad or keyboard cable is a common post-assembly headache.
Carefully disconnect the Touchpad ribbon cable and the Power button ribbon cable.
: Shut down the laptop, unplug the AC adapter, and remove the battery. Tools Needed Small Phillips-head screwdriver. hp probook 450 g0 disassembly
Reassembly is the reverse of disassembly. Follow these key points for a successful rebuild:
: Remove approximately nine screws from the bottom of the base and any screws hidden under the keyboard area. Disconnect the power button, touchpad, and fingerprint reader cables before lifting the cover.
Before loosening any screws, proper preparation ensures you do not damage the sensitive electronics inside the laptop. 1. Work Environment The keyboard must be unseated to access the
Carefully slide the keyboard toward the display or use a plastic pry tool to lift the top edge.
: Remove the silver screws securing the left and right display hinges to the lower chassis.
If you are replacing the drive, remove the screws from the metal caddy to transfer it to the new drive. The HP ProBook 450 G0 has two slots for DDR3L SO-DIMM RAM. Carefully disconnect the Touchpad ribbon cable and the
If the laptop has been overheating, this is the best time to clean the old thermal paste off the CPU/GPU and apply new paste. Reassembly Tips
Flip the laptop over. Locate the battery release latch (usually a sliding switch with a lock icon). Slide the latch to unlock, and the battery should pop up or slide out. Why first? Removing the battery cuts power to the motherboard. While the power button is software-controlled, removing the battery is the only way to ensure no standby current is flowing when you touch the motherboard.
This is the most delicate part of the upper chassis.