1 Working on your computer
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5
Safety instructions
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5
Turning off your computer
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5
Turning off your — Windows
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5
Before working inside your computer
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6
After working inside your computer
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6
2 Chassis overview
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7
Front chassis view
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7
Back chassis view
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8
3 Field service information
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9
Screw size list
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9
Recommended tools
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9
Critical callouts
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9
Trusted Platform Module
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9
China TPM Installation
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10
System Board Configuration
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10
Enabling data wipe option in BIOS
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13
System board jumper setting
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13
LED error code after replacing coin cell battery
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14
Working on your computer
.................................................................................................................................................
14
Safety instructions
.........................................................................................................................................................
14
Turning off your computer
............................................................................................................................................
14
Before working inside your computer
..........................................................................................................................
15
After working inside your computer
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15
Safety precautions
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15
Electrostatic discharge—ESD protection
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16
ESD field service kit
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16
Transporting sensitive components
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17
Disassembly and reassembly
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17
Side Cover
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17
Front Bezel
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19
Front panel door
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21
Storage device
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22
Optical drive
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28
M.2 PCIe SSD
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30
SD card
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31
Memory modules
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32
Expansion card
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33
Power supply unit
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35
Intrusion switch
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36
Power switch
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37
Speaker
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39
Contents
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Contents