How to replace the Left Rail Kit on a Precision 7875 Tower
Published March 20, 2026
This 3D experience gives you the step by step process of replacing the Left Rail Kit and a Precision 7875 Tower. The procedure will also include removing the Side Cover and reinstalling them.
Removal
Side Cover
Identify the side cover highlighted in blue.
Unlock the side panel latch using a Phillips screwdriver.
Press to open the latch of the side cover. Pull the release latch to release the side cover from the chassis.
Open the side cover at an angle and lift the cover away from the chassis.
Left Rail Kit
Identify the left rail kit highlighted in blue.
Pull and slide the latch in the upward direction to release the rail.
Remove the screws that secure the left rail kit to the chassis.
Remove the screws that secure the left rail kit to the chassis.
Slide and remove the left rail kit from the slots on the chassis.
Install
Left Rail Kit
Identify the left rail kit location highlighted in blue.
Align the left rail kit with the slots on the chassis and slide to secure it in place.
Install the screws that secure the left rail kit to the chassis.
Install the screws that secure the left rail kit to the chassis.
Push down the latch to secure the rail kit in place.
Side Cover
Identify the side cover location highlighted in blue.
Align the tabs with the slots and install the side cover on the chassis.
Using a Phillips screwdriver, turn the side panel latch to the locked position.