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Dell Precision 5540 Service Manual - Page 4

Palm rest, Enhanced Pre-Boot System Assessment - ePSA diagnostics, Running the ePSA Diagnostics

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Palm rest...45 5 Troubleshooting...48 Enhanced Pre-Boot System Assessment - ePSA diagnostics 48 Running the ePSA Diagnostics...48 6 Getting help...49 Contacting Dell...49 4 Contents

Section	Page
Precision 5540 Service Manual	3
Working on your computer	5
Safety instructions	5
Before working inside your computer	5
Safety precautions	6
Electrostatic discharge—ESD protection	6
ESD field service kit	7
Transporting sensitive components	7
After working inside your computer	8
Technology and components	9
Power supply specifications	9
Power adapter	9
Video specifications	10
Audio specifications	10
Memory	10
Display specifications	11
Keyboard specifications	12
Battery	12
Storage specifications	13
USB Type-C	13
USB features	14
Major components of your system	17
Disassembly and reassembly	19
Disassembly and reassembly	19
Base cover	19
Installing the Base Cover	19
Removing the Base Cover	19
Battery	20
Lithium-ion battery precautions	20
Removing the Battery	20
Installing the Battery	21
PCIe Solid State Drive (SSD)	21
Removing M.2 Solid State Drive -SSD	21
Installing M.2 Solid State Drive -SSD	22
Hard drive	23
Removing 2.5 inch Hard Drive -optional	23
Installing the Hard Drive -optional	24
Speaker	24
Removing the Speakers	24
Installing the Speakers	25
WLAN card	25
Removing the WLAN Card	25
Installing the WLAN Card	26
Memory modules	26
Removing the Memory Modules	26
Installing the Memory Modules	27
System fan	27
Removing the Fans	27
Installing the Fans	30
Heat sink assembly	30
Removing the Heatsink	30
Installing the Heatsink	31
Power connector port	31
Removing the DC-in Connector	31
Installing the DC-in Adapter Port	32
System board	32
Removing the System Board	32
Installing the System Board	34
Audio board	34
Removing Audio board	34
Installing audio board	35
Coin-cell battery	36
Removing the Coin-Cell Battery	36
Installing the Coin-Cell Battery	36
Power button	37
Removing power button	37
Installing power button	38
Power button with fingerprint reader -optional	38
Removing power button with fingerprint reader	38
Installing power button with fingerprint reader	39
Display Assembly	39
Removing the Display Assembly	39
Installing the Display Assembly	41
Antenna cover	41
Removing antenna	41
Installing the antenna cover	43
Keyboard lattice and Keyboard	43
Removing the Keyboard	43
Installing the Keyboard	45
Palm rest	45
Removing the Palm rest Assembly	45
Installing the Palm rest Assembly	47
Troubleshooting	48
Enhanced Pre-Boot System Assessment — ePSA diagnostics	48
Running the ePSA Diagnostics	48
Getting help	49

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Palm rest

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5 Troubleshooting

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Enhanced Pre-Boot System Assessment — ePSA diagnostics

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Running the ePSA Diagnostics

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6 Getting help

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Contacting Dell

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Contents