Dell 2650 manual System Fans, Replacing the Control Panel, Removing a Cooling Fan

Replacing the Control Panel

CAUTION: Before you perform this procedure, read the safety instructions in your System Information document.

CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information document.

1.Lower the control-panel assembly into the system.

2.Connect the control-panel cable to the control panel board (see Figure 4-7).

3.Align the assembly with the posts on the front panel (see Figure 4-7).

4.Replace the screws that secure the control-panel assembly in the system (see Figure 4-7).

•Two screws at the top of the control-panel assembly that secures the assembly to the front panel.

•One screw at the bottom of the control-panel that secures the assembly to the bottom of the chassis.

5.Replace the front-panel I/O board (see "Replacing the Front-Panel I/O Board").

6.Replace the control-panel cable cover (see "Replacing the Control-Panel Cable Cover").

System Fans

The system includes the following hot-pluggable cooling fans:

•Two system fans

•One expansion-card fan

•One microprocessor fan for each installed microprocessor

The system may also include other optional hot-pluggable fans.

Removing a Cooling Fan

NOTE: The procedure for removing each individual fan is the same.

CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information document.

NOTICE: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, replace only one fan at a time.

1.Remove the cover (see "Removing the Cover").

2.Pull the fan straight up to clear the chassis (see Figure 4-8).

Figure 4-8. Removing and Installing a Cooling Fan