Remove the single screw marked with an optical disc icon on the bottom, then pull the drive out from the side. Step 4: Full Teardown (Motherboard & Cooling)

Clean off old thermal paste from the CPU/GPU using isopropyl alcohol and a lint-free cloth.

Disassembling the HP ProBook 450 G0 is straightforward because it was designed with easy-access panels for common upgrades. Follow these steps to access the internal components: 1. Preparation and Safety Power Down