Dell D15U Service Manual

Removing the speaker................................................................................................................................................38
Installing the speaker..................................................................................................................................................39
Processor............................................................................................................................................................................ 40
Removing the processor............................................................................................................................................40
Installing the processor...............................................................................................................................................41
Internal Antenna................................................................................................................................................................ 43
Removing internal antenna (Location 1)................................................................................................................ 43
Installing internal antenna (Location 1).................................................................................................................. 44
Removing internal antenna (Location 3)............................................................................................................... 45
Installing internal antenna (Location 3)..................................................................................................................47
Removing SMA antenna (Location 3).................................................................................................................... 48
Installing SMA antenna (Location 3)...................................................................................................................... 49
System board...................................................................................................................................................................... 51
Removing the system board......................................................................................................................................51
Installing the system board....................................................................................................................................... 54
Chapter 3: Drivers and downloads............................................................................................... 57
Chapter 4: BIOS setup.................................................................................................................58
Entering BIOS setup program........................................................................................................................................ 58
Navigation keys..................................................................................................................................................................58
One time boot menu.........................................................................................................................................................58
System setup options.......................................................................................................................................................59
Updating the BIOS............................................................................................................................................................ 68
Updating the BIOS in Windows................................................................................................................................68
Updating the BIOS in Linux and Ubuntu................................................................................................................ 68
Updating the BIOS using the USB drive in Windows..........................................................................................68
Updating the BIOS from the F12 One-Time boot menu.................................................................................... 69
System and setup password...........................................................................................................................................69
Assigning a system setup password....................................................................................................................... 70
Deleting or changing an existing system setup password.................................................................................70
Clearing BIOS (System Setup) and System passwords........................................................................................... 71
Chapter 5: Troubleshooting......................................................................................................... 72
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................72
Running the SupportAssist Pre-Boot System Performance Check................................................................ 72
Power-Supply Unit Built-in Self-Test ..........................................................................................................................72
System-diagnostic lights..................................................................................................................................................73
Recovering the operating system..................................................................................................................................74
Real Time Clock—RTC reset..........................................................................................................................................74
Backup media and recovery options.............................................................................................................................75
WiFi power cycle............................................................................................................................................................... 75
Chapter 6: Getting help and contacting Dell................................................................................ 76
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Contents

Dell D15U Specifications

General

Brand	Dell
Model	D15U
Category	Desktop
Language	English