Service Teardown: HP Elite 800 G10 Tower
How to replace the Access Panel
Removal
Remove the flathead thumbscrew that secures the access panel to chassis.
Slide the access panel directly back and lift to remove.
Replacement
Align the access panel with the edges of the chassis and lower it into position.
Slide the access panel forward until the latch snaps in place.
Replace the flathead thumbscrew that secures the access panel to the chassis.
How to replace the Optical Disc Drive
Before you begin: Remove the access panel.
Removal
Disconnect the SATA cable from the connector on the optical disc drive.
Disconnect the power cable from the connector on the optical disc drive.
Push in the green lever on the optical drive to release it from the drive cage
and slide it forward to release and remove the drive.
Replacement
Slide the optical disc drive into the slot on the front bezel until the green lever clicks into place.
Reconnect the power cable to the connector on the optical disc drive.
Reconnect the SATA cable to the connector on the optical disc drive.
How to replace the Front Bezel
Before you begin: Remove the access panel and optical disc drive.
Removal
Unlatch the three tabs of the front bezel and rotate the bezel away from the PC to remove.
Replacement
Align the hooked tabs on the side of the bezel with the chassis,
and then rotate and press the bezel until the tabs snap over their posts.
How to replace the GPU
Before you begin: Remove the access panel, optical disc drive, and front bezel.
Removal
Remove the T15 Torx screw that secures the plastic cover to the drive cage.
Lift the plastic cover off the chassis and remove.
Remove the GPU cable from the metal bracket routing hook.
Remove the T15 Torx screw that secures the metal bracket to the drive cage.
Lift the metal cable bracket off the chassis and remove.
Disconnect the power cable from the connector on the GPU.
Lift the expansion slot latch to release it from the side of the chassis.
Press the release latch on the PCI slot that houses the GPU on the motherboard to release the GPU.
Lift the GPU off the motherboard and remove.
Replacement
Lower the GPU into position in the correct PCI slot on the motherboard until it clicks into place.
Replace the expansion slot latch to the side of the chassis.
Reconnect the power cable to the connector on the GPU.
Place the metal bracket in position on the chassis.
Replace the T15 Torx screw that secures the metal bracket to the drive cage.
Reroute the GPU cable into the metal bracket routing hook.
Place the plastic cover in position on the chassis.
Replace the T15 Torx screw that secures the plastic cover to the drive cage.
How to replace the Drive Cage
Before you begin: Remove the access panel, optical disc drive, front bezel, and GPU.
Removal
Pull up on the drive cage handle to lift one end of it up until it locks into place.
Remove the SATA and power cables from the routing hooks on the drive cage.
Pull up on the drive cage handle to release the hooks on the chassis and remove the drive cage.
Replacement
Align the drive cage hooks with the slots on the chassis,
insert them into the slots, and then lower the drive cage into the locked upright position.
Reroute the SATA and power cables into the routing hooks on the drive cage.
Lower the drive cage back into position in the chassis until it locks into place.
How to replace the Tower Fan
Before you begin: Remove the access panel, optical disc drive, front bezel,
drive cage, GPU, and disconnect power supply.
Removal
Disconnect the fan cable from the connector on the motherboard.
Remove the three P1 Phillips-head screws that secure the tower fan to the chassis.
Lift the tower fan off the chassis and remove.
Replacement
Position the tower fan in position on the chassis and hold it in position.
Replace the three P1 Phillips-head screws that secure the tower fan to the chassis.
Reconnect the fan cable to the connector on the motherboard.
How to replace the RTC Battery
Before you begin: Remove the access panel, optical disc drive, front bezel,
drive cage, GPU, and disconnect power supply.
WARNING: To avoid personal injury and damage to the product,
use extreme care not to puncture, twist, or crack the battery.
An internal puncture or rupture to the battery
has the potential to cause a short which may result in a thermal event.
Removal
Carefully push in the metal tab on the battery slot until the RTC battery is released.
Lift the RTC battery off the motherboard and remove.
Replacement
Place the RTC battery in position on the battery slot on the motherboard.
Push down on the RTC battery until it clicks in place to secure it.
How to replace the System Memory
Before you begin: Remove the access panel, front bezel, optical disc drive,
drive cage, GPU, and disconnect power supply.
Removal
Release both latches on either side of the motherboard DIMM slots.
Lift the system memory module out of the DIMM slot on the motherboard and remove.
Repeat this same process to remove any other system memory modules from the unit.
Replacement
Place the system memory module in the corresponding DIMM slot on the motherboard.
Carefully press down on the system memory module until it locks into place in the DIMM slot.
Repeat this same process to replace any other system memory modules on the unit.
How to replace the Speaker
Before you begin: Remove the access panel, optical disc drive, front bezel,
drive cage, GPU, and disconnect power supply.
Removal
Disconnect the speaker cable from the connector on the motherboard.
Remove the speaker from the three rubber prongs that secure the speaker to the chassis and remove.
Replacement
Place the speaker on the chassis and secure it to the three rubber prongs that secure it to the chassis.
Reconnect the speaker cable to the connector on the motherboard.
How to replace the Wireless LAN Module
Before you begin: Remove the access panel, optical disc drive, front bezel,
drive cage, GPU, and disconnect power supply.
Removal
Remove the P1 Phillips-head screw that secures the wireless LAN module to the motherboard.
Slide the plastic connector cover off the wireless LAN module and remove.
CAUTION! Use care when disconnecting the wireless antenna cable from the WLAN module.
A damaged cable or connector can degrade performance.
Carefully disconnect the wireless LAN antenna cables
from the connectors on the wireless LAN module using tweezers or needle-nose pliers.
Grasp the wireless LAN module by the sides
and disconnect it from the connector on the motherboard and remove.
Insert the wireless LAN module into the connector on the motherboard.
Reconnect the wireless LAN antenna cables to the connectors on the wireless LAN module.
Replace the plastic connector cover onto the wireless LAN module.
Replace the P1 Phillips-head screw that secures the wireless LAN module to the motherboard.
How to replace the M.2 Solid State Drives
Before you begin: Remove the access panel, front bezel,
drive cage, GPU, and disconnect power supply.
Removal
Remove the P1 Phillips-head screw that secures the M.2 SSD to the motherboard.
Grasp the M.2 SSD housing by the sides
and disconnect the M.2 SSD from the connector on the motherboard and remove.
Push the M.2 SSD shield latches down and in to release them.
Lift the M.2 SSD shielding off and remove.
Remove the M.2 SSD from the metal housing.
Replacement
Place the M.2 SSD in the metal housing.
Place the M.2 SSD shielding in position on top of the M.2 SSD.
Secure each of the latches on the M.2 SSD shielding.
Grasp the M.2 SSD housing by the sides and insert it into the connector on the motherboard.
Replace the P1 Phillips-head screw that secures the M.2 SSD to the motherboard.
How to replace the Power Supply
Before you begin: Remove the access panel, optical disc drive, front bezel,
drive cage, GPU, and M.2 solid state drives.
WARNING: To avoid personal injury and damage to the product,
use extreme care not to puncture, twist, or crack the battery.
An internal puncture or rupture to the battery
has the potential to cause a short which may result in a thermal event.
Removal
Disconnect the power supply cables from the connectors on the motherboard.
Remove the power supply cables from the routing clips on the chassis.
Remove the three T15 Torx screws that secure the power supply to the chassis.
Push down on the green arrow latch and slide the power supply forward to release it.
Lift the power supply off the chassis and remove.
Replacement
Position the power supply in place on the chassis.
Slide the power supply back until the green arrow latch locks in place.
Replace the three T15 Torx screws that secure the power supply to the chassis.
Reroute the power supply cables into the routing clips on the chassis.
Reconnect the power supply cables to the connectors on the motherboard.
How to replace the Heatsink
Before you begin: Remove the access panel, optical disc drive, front bezel,
drive cage, GPU, and disconnect the power supply.
Removal
Disconnect the fan cable from the connector on the motherboard.
Loosen the four captive T15 Torx screws that secure the heatsink to the motherboard.
NOTE: Due to the adhesive quality of the thermal grease located between the heatsink and processor components,
it may be necessary to move the heatsink from side to side to detach it from the motherboard.
Lift the heatsink off the motherboard and remove.
Replacement
NOTE: Before replacing the heatsink, the thermal grease should be replaced.
The thermal grease should be replaced every time the heatsink is removed.
Use alcohol and a soft cloth, or an alcohol swab, to clean all thermal grease off the heat sink and processor.
Use the thermal grease applicator to apply the thermal grease to the processor.
Align the heatsink with the holes on the motherboard and lower the heatsink into position over the processor.
Tighten the four captive T15 Torx screws that secure the heatsink to the motherboard.
Reconnect the fan cable to the connector on the motherboard.
How to replace the CPU
Before you begin: Remove the access panel, optical disc drive, front bezel,
drive cage, GPU, heatsink, and disconnect power supply.
Removal
Push down on the CPU locking bar and move it to the side to release the CPU cover.
Lift the CPU cover to its upright position.
Carefully grasp the CPU by the sides,
lift it out of the CPU slot on the motherboard, and remove.
Replacement
Carefully place the CPU into the CPU slot on the motherboard.
Make sure the arrow in the corner of the CPU matches the small arrow on the motherboard CPU slot.
Lower the CPU cover over the CPU.
Push down the locking bar until the CPU is secure in the slot and slide the locking bar into the locked position.
How to replace the Motherboard
Before you begin: Remove the access panel, optical disc drive, front bezel, drive cage,
GPU, tower fan, heatsink, CPU, system memory,
RTC battery, M.2 solid state drives, wireless LAN module, and power supply.
Removal
Disconnect the speaker cable from the connector on the motherboard.
Remove the seven T15 Torx screws that secure the motherboard to the chassis.
Carefully lift the motherboard off the chassis and remove.
Replacement
Carefully place the motherboard onto the chassis and align the exterior ports with the cutouts.
Replace the seven T15 Torx screws that secure the motherboard to the chassis.
Reconnect the speaker cable to the connector on the motherboard.
How to replace the Wireless Antennas
Before you begin: Remove access panel, optical disc drive, front bezel, GPU,
drive cage, tower fan, power supply, heatsink, CPU, system memory,
WLAN module, M.2 solid state drives, and motherboard.
Removal
Remove the rear wireless antenna cable from the guide clips on the chassis.
Press the release tab on the rear antenna cover and rotate the cover off the chassis.
Remove the T15 Torx screw that secures the rear wireless antenna to the chassis.
Lift and guide the rear wireless antenna cable through the hole in the chassis and remove.
Remove the front wireless antenna cable from the guide clips on the chassis.
Remove the T15 Torx screw that secures the front wireless antenna to the chassis.
Lift the front wireless antenna off the chassis and remove.
Replacement
Place the front wireless antenna in position on the chassis.
Replace the T15 Torx screw that secures the front wireless antenna to the chassis.
Reroute the front wireless antenna cable into the guide clips on the chassis and guide it through the hole.
Guide the rear wireless antenna cable through the hole in the chassis.
Replace the T15 Torx screw that secures the front wireless antenna to the chassis.
Align the tabs on the rear wireless antenna cover with the holes on the chassis
and rotate the cover against the chassis until it snaps into place.
Replace the rear wireless antenna cable into the guide clips on the chassis.
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