Dell ChengMing 3901 Tower, Руководство по обслуживанию

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Table 2. Antenna-cable color scheme
Connectors on the
wireless card
Antenna-cable color Silkscreen marking
Main White MAIN
△
(white triangle)
Auxiliary Black AUX ▲ (black triangle)
2. Align the notch on the wireless card with the tab on the wireless-card slot on the system board.
3. Slide and insert the wireless card at an angle into the wireless-card slot on the system board.
4. Adhere the wireless card to the adhesive pad.
5. Align the screw hole on the wireless-card bracket to the screw hole on the wireless card and system board.
6. Replace the screw (M2x3.5) that secures the wireless-card bracket to the wireless card and system board.
Next steps
1. Install the side cover .
2. Follow the procedure in After working inside your computer .
Power supply unit
Removing the power-supply unit
Prerequisites
1. Follow the procedure in Before working inside your computer .
2. Remove the side cover .
3. Remove the front bezel .
NOTE: Note the routing of all cables as you remove them so that you can route them correctly after you replace the
power-supply unit.
About this task
The following images indicate the location of the power-supply unit and provide a visual representation of the removal
procedure.
26 Removing and installing components