HP EliteBook 820 G1 with a 2.1GHz Intel Core i7-4600U processor, TDP thermal power consumption is only 15W, built-in Intel HD4400 graphics card. Ultra-low voltage processor is ultrabook the first choice, to achieve a more sustainable life. It comes with 4GB DDR3 RAM, 256GB SSD, and no mechanical hard drive.
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Unlock and remove the bottom cover.
When the bottom cover removed, you can access the battery, RAM, SSD, wireless card, hard drive, a spare RAM slot and a spare SS slot.
Unlock and remove the battery.
The HP EliteBook 820 G1 comes with an 11.25v, 46WH Li-ion battery. HP part number: HSTNN-LB4T.
Separate the clips and remove the RAM module.
The HP EliteBook 820 G1 features a Kingston 4GB DDR3L-1600MHz RAM. HP part number: 691740-001.
Remove two screws securing the wireless card.
Disconnect two wireless antenna cables, you can remove the wireless card.
HP EliteBook 820 G1 wireless card
Remove four screws securing the 2.5″ SSD module.
Lift up and remove the SSD module.
The HP EliteBook 820 G1 features a Samsung 256G 2.5″ SSD.
Now remove all visible screws.
Turn over the laptop.
Lift up the keyboard.
Be careful. You should disconnect the keyboard cable and backlit cable from the motherboard.
Remove all screws securing the palm rest.
Disconnect all visible cables.
Pry up and remove the palm rest.
Now you can access the touchpad, heat sink, cooling fan and motherboard.
Loosen four screws securing the heat sink and two screws securing the cooling fan.
Disconnect the cooling fan cable from the motherboard.
Cooling fan and heat sink assembly
Remove all screws securing the motherboard.
Remove the motherboard.
HP EliteBook 820 G1 motherboard
On the back of the motherboard, you can access the CMOS battery.