Dell PowerEdge T640 EMC PowerEdge T640 Installation and Service Manual - Page 66

Before working inside your system, Optional front bezel, Removing the front bezel

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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. NOTE: It is recommended that you always use an antistatic mat and antistatic strap while working on components inside the system. CAUTION: To ensure proper operation and cooling, all bays in the system and system fans must be always populated with a component or a blank. Before working inside your system Prerequisites Follow the safety guidelines listed in Safety instructions on page 65. Steps 1. Turn off the system, including all attached peripherals. 2. Disconnect the system from the electrical outlet and disconnect the peripherals. 3. Lay the system on its side. 4. Remove the system cover. After working inside your system Prerequisites Follow the safety guidelines listed in Safety instructions on page 65. Steps 1. Place the system upright on a flat, stable surface. 2. Reconnect the peripherals and connect the system to the electrical outlet. 3. Turn on the attached peripherals and then turn on the system. Optional front bezel Removing the front bezel Prerequisites Follow the safety guidelines listed in Safety instructions on page 65. Steps 1. Unlock the bezel. 2. Press the blue release latch at the top of the bezel to release the bezel from the system. 3. Pull the top end of the bezel away from the system. 4. Unhook the bezel tabs from the slots at the bottom of the system, and lift the bezel away. 66 Installing and removing system components

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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.
NOTE:
It is recommended that you always use an antistatic mat and antistatic strap while working on components inside
the system.
CAUTION:
To ensure proper operation and cooling, all bays in the system and system fans must be always populated
with a component or a blank.
Before working inside your system
Prerequisites
Follow the safety guidelines listed in
Safety instructions
on page 65.
Steps
1.
Turn off the system, including all attached peripherals.
2.
Disconnect the system from the electrical outlet and disconnect the peripherals.
3.
Lay the system on its side.
4.
Remove the system cover.
After working inside your system
Prerequisites
Follow the safety guidelines listed in
Safety instructions
on page 65.
Steps
1.
Place the system upright on a flat, stable surface.
2.
Reconnect the peripherals and connect the system to the electrical outlet.
3.
Turn on the attached peripherals and then turn on the system.
Optional front bezel
Removing the front bezel
Prerequisites
Follow the safety guidelines listed in
Safety instructions
on page 65.
Steps
1.
Unlock the bezel.
2.
Press the blue release latch at the top of the bezel to release the bezel from the system.
3.
Pull the top end of the bezel away from the system.
4.
Unhook the bezel tabs from the slots at the bottom of the system, and lift the bezel away.
66
Installing and removing system components