Dell OptiPlex 7090 Ultra Service Manual page 33

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6. Pull the retention latch that secures the device to the stand chassis.
7. Lift the device from the cover.
8. Press and hold the power button while the device is unplugged to ground the system board.
NOTE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an
unpainted metal surface at the same time as touching a connector on the back of the computer.
Stands
33

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