Dell PowerEdge R840 EMC Installation and Service Manual - Page 58

NVDIMM-N battery, Removing the NVDIMM-N battery

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Figure 30. Installing cooling fan Next steps 1. Install the non-GPU air shroud or GPU air shroud. 2. Follow the procedure listed in After working inside your system on page 45. NVDIMM-N battery The NVDIMM-N battery is installed on the air shroud. Removing the NVDIMM-N battery Prerequisites 1. Follow the safety guidelines listed in Safety instructions. 2. Follow the procedure listed in Before working inside your system. 3. For GPU air shroud, remove the GPU air shroud cover. CAUTION: NVDIMM-N battery is not hot swappable. To prevent data loss and potential damage to your system, ensure that your system, LEDs on system, LEDs on NVDIMM-N and LEDs on NVDIMM-N battery are turned off, by disconnecting the cables, before removing the NVDIMM-N battery. NOTE: To avoid damage to the battery connector, hold the connector while installing or removing a battery. Steps 1. Disconnect the cables from the NVDIMM-N battery. 2. Using Phillips #2 screwdriver, loosen the screw securing the NVDIMM-N battery to the air shroud. 3. Holding the blue touch point, lift the NVDIMM-N battery at an angle to disengage it from the slot on the air shroud. 4. Lift the NVDIMM-N battery away from the system. 58 Installing and removing system components

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Figure 30. Installing cooling fan
Next steps
1.
Install the
non-GPU air shroud
or
GPU air shroud
.
2.
Follow the procedure listed in
After working inside your system
on page 45.
NVDIMM-N battery
The NVDIMM-N battery is installed on the air shroud.
Removing the NVDIMM-N battery
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
.
2.
Follow the procedure listed in
Before working inside your system
.
3.
For GPU air shroud,
remove the GPU air shroud cover
.
CAUTION:
NVDIMM-N battery is not hot swappable. To prevent data loss and potential damage to your system, ensure
that your system, LEDs on system, LEDs on NVDIMM-N and LEDs on NVDIMM-N battery are turned off, by
disconnecting the cables, before removing the NVDIMM-N battery.
NOTE:
To avoid damage to the battery connector, hold the connector while installing or removing a battery.
Steps
1.
Disconnect the cables from the NVDIMM-N battery.
2.
Using Phillips #2 screwdriver, loosen the screw securing the NVDIMM-N battery to the air shroud.
3.
Holding the blue touch point, lift the NVDIMM-N battery at an angle to disengage it from the slot on the air shroud.
4.
Lift the NVDIMM-N battery away from the system.
58
Installing and removing system components