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DR Series DR4300 - Owner's Manual

DR4300 system overview Technical specifications Initial system setup and configuration Pre-operating system management applications
Options to manage the pre-operating system applications System Setup Dell Lifecycle Controller Boot Manager PXE boot
Installing and removing system components
Safety instructions Before working inside your system After working inside your system Recommended tools Front bezel (optional) System cover Cooling shroud Cooling fans Cooling-fan assembly System memory Processors and heat sinks PCIe card holder Cable retention bracket Integrated storage controller card Expansion cards and expansion card riser Internal dual SD module (optional) Network daughter card Internal USB memory key (optional) System battery Power supply units (PSU) System board Trusted Platform Module Hard drives Hard drive backplane SD vFlash card (optional) Control panel assembly
Using system diagnostics Jumpers and connectors Troubleshooting your system

Removing the control panel

Control panel assembly
Removing the control panel
Installing the control panel
Removing the I/O panel
Installing the I/O panel
1.
Follow the safety guidelines listed in the Safety instructions section.
2.
Follow the procedure listed in the Before working inside your system section.
3.
Keep the T15 Torx screwdriver ready.
* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
* 
CAUTION: Do not use excessive force when removing the control panel cable as it can damage the connectors.
1.
Disconnect the control panel cable from the hard drive backplane by pulling on the plastic pull tab.
2.
Remove the screws that secure the control panel to the chassis.
3.
Fold the plastic pull tab close to the connector.
4.
Pull out the control panel cable as you guide the connector and the plastic pull tab through the channel on the chassis.
Figure 81. Removing the control panel

This figure shows removing the control panel.

a.
screw (3)
b.
control panel
c.
hard-drive backplane
d.
connector
e.
plastic pull tab
1.
Replace the control panel.
2.
Follow the procedure listed in the After working inside your system section.
Related tasks 
Before working inside your system
Installing the control panel
After working inside your system
Related references 
Safety instructions

Installing the control panel

1.
Follow the safety guidelines listed in the Safety instructions section.
2.
Follow the procedure listed in the Before working inside your system section.
3.
Keep the T15 Torx screwdriver handy.
* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
1.
Fold the PPID label around the cable.
2.
Fold the pull tab close to the connector and guide the connector and pull tab into the channel.
3.
Push the cable until the cable passes completely through the channel.
4.
Tighten the screws to secure the control panel to the chassis.
* 
NOTE: You must route the cable properly to prevent it from being pinched or crimped.
5.
Connect the cable connector to the hard drive backplane by pushing on the center of the connector.
Figure 82. Installing the control panel

This figure shows installing the control panel.

a.
screw (3)
b.
control panel
c.
hard-drive backplane
d.
connector
e.
plastic pull tab

Follow the procedure listed in the After working inside your system section.

Related tasks 
Before working inside your system
After working inside your system
Related references 
Safety instructions

Removing the I/O panel

1.
Follow the safety guidelines listed in the Safety instructions section.
2.
Follow the procedure listed in the Before working inside your system section.
3.
Keep the T15 Torx screwdriver ready.
* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
* 
CAUTION: To prevent damage to the I/O cable, you must release the locking tab before removing or installing the I/O cable from the connector on the hard drive backplane.
1.
Rotate the locking tab on the I/O cable connector clockwise 90 degrees to release the lock.
2.
Disconnect the I/O cable from the backplane.
3.
Remove the screws securing the I/O panel to the chassis.
4.
Pull out the I/O panel cable through the channel on the chassis.
Figure 83. Removing the I/O panel

This figure shows removing the I/O panel.

a.
I/O panel cable
b.
hard drive backplane
c.
screw (3)
d.
I/O panel
e.
chassis
1.
Replace the I/O panel.
2.
Follow the procedure listed in the After working inside your system section.
Related tasks 
Before working inside your system
Removing the hard drive backplane
Installing the I/O panel
After working inside your system
Related references 
Safety instructions

Installing the I/O panel

1.
Follow the safety guidelines listed in safety instructions section.
2.
Follow the procedure listed in the Before working inside your system section.
3.
Keep the T15 Torx screwdriver ready.
* 
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.
1.
Fold the PPID label around the cable.
2.
Push the cable until the cable passes completely through the channel.
* 
CAUTION: To prevent damage to the I/O cable, you must release the locking tab before removing or installing the I/O cable from the connector on the hard drive backplane.
3.
If locked, rotate the locking tab on the I/O cable connector clockwise 90 degrees to release the lock.
4.
Connect the I/O panel cable to the connector on the hard drive backplane.
5.
Rotate the locking tab on the I/O cable connector counter clockwise 90 degrees to secure the lock.
6.
Tighten the screws to secure the control panel to the chassis.
* 
NOTE: You must route the cable properly to prevent it from being pinched or crimped.
Figure 84. Installing the I/O panel

This figure shows installing the I/O panel.

a.
I/O panel cable
b.
hard drive backplane
c.
screw (3)
d.
I/O panel
e.
chassis

Follow the procedure listed in the After working inside your system section.

Related tasks 
Before working inside your system
After working inside your system
Related references 
Safety instructions
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