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Installing the power and OSD buttons board
1. Connect the cable to the power and OSD buttons board.
2. Affix the tape on the OSD buttons board.
3. Insert the power and OSD buttons board into the slot.
4. Align the metal plate on the power and OSD buttons board.
5. Tighten the screw to secure the power and OSD buttons board.
6. Install the:
a)
b)
c)
7. Follow the procedure in
After working inside your computer
.
Coin cell battery
Removing the coin cell battery
1. Follow the procedure in
Before working inside your computer
.
2. Remove the:
a)
b)
c)
3. Press the latch to release the coin cell battery and remove it from the computer.
Disassembly and reassembly
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Summary of Contents for OptiPlex 7440 All-In-One W11C
Page 1: ...Dell OptiPlex 7440 All In One Owner s Manual Regulatory Model W11C Regulatory Type W11C001 ...
Page 9: ...Figure 2 Height Adjustable Stand Disassembly and reassembly 9 ...
Page 12: ...12 Disassembly and reassembly ...
Page 14: ...14 Disassembly and reassembly ...
Page 15: ...4 Lift the back cover from the computer Disassembly and reassembly 15 ...
Page 22: ...22 Disassembly and reassembly ...
Page 24: ...24 Disassembly and reassembly ...
Page 26: ...26 Disassembly and reassembly ...
Page 28: ...28 Disassembly and reassembly ...
Page 30: ...30 Disassembly and reassembly ...
Page 32: ...32 Disassembly and reassembly ...
Page 34: ...34 Disassembly and reassembly ...
Page 39: ...Disassembly and reassembly 39 ...
Page 41: ...Disassembly and reassembly 41 ...
Page 43: ...Disassembly and reassembly 43 ...
Page 45: ...Disassembly and reassembly 45 ...
Page 47: ...Disassembly and reassembly 47 ...
Page 54: ...54 Disassembly and reassembly ...