Dell Vostro 5301 Service Manual - Page 49

Installing the system board

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Steps 1. Remove the single (M2x3) screw that secures the left display hinge to the system board and lift it up. 2. Lift the protective tape and remove the single (M2x2.5) screw that secures the wireless-card bracket to the system board. 3. Disconnect the wireless-card antennas from the wireless-card. 4. Lift the protective tape and disconnect the EDP cable. 5. Disconnect the DC-IN cable. 6. Disconnect the coin-cell battery cable, fingerprint-reader cable, I/O-board cable, touchpad cable, keyboard cable and keyboard-backlit cable, speaker cable from the system board. 7. Lift the system board off the palm-rest and keyboard assembly. Installing the system board Prerequisites NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board. About this task The following images indicate the location of the system board and provide a visual representation of the installation procedure. Disassembly and reassembly 49

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Steps
1.
Remove the single (M2x3) screw that secures the left display hinge to the system board and lift it up.
2.
Lift the protective tape and remove the single (M2x2.5) screw that secures the wireless-card bracket to the system board.
3.
Disconnect the wireless-card antennas from the wireless-card.
4.
Lift the protective tape and disconnect the EDP cable.
5.
Disconnect the DC-IN cable.
6.
Disconnect the coin-cell battery cable, fingerprint-reader cable, I/O-board cable, touchpad cable, keyboard cable and
keyboard-backlit cable, speaker cable from the system board.
7.
Lift the system board off the palm-rest and keyboard assembly.
Installing the system board
Prerequisites
NOTE:
Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup
program after you replace the system board.
NOTE:
Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You
must make the appropriate changes again after you replace the system board.
About this task
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Disassembly and reassembly
49