Dell Precision 5550 Service Manual
70 pagina's · 18.23 MB · PDF
Restricted - Confidential
Dell Precision 5550 Service Manual
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
- CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Contents
Table Caption: This table is a table of contents that outlines the procedures for working inside a computer, including safety instructions and detailed steps for removing and installing various components.
| Removing the system board.....................................................................................................................................39 | |
|---|---|
| Installing the system board....................................................................................................................................... | 42 |
| Palm-rest and keyboard assembly................................................................................................................................ | 45 |
| Removing the palm-rest and keyboard assembly................................................................................................45 | |
| Installing the palm-rest and keyboard assembly..................................................................................................46 | |
| Chapter 3: Drivers and downloads............................................................................................... | 48 |
| Chapter 4: BIOS | Setup................................................................................................................ 49 |
| Entering BIOS Setup........................................................................................................................................................ | 49 |
| Navigation keys..................................................................................................................................................................49 | |
| F12 One Time Boot menu................................................................................................................................................50 | |
| System setup options.......................................................................................................................................................50 | |
| Updating the BIOS............................................................................................................................................................60 | |
| Updating the BIOS in Windows................................................................................................................................60 | |
| Updating the BIOS in Linux and Ubuntu................................................................................................................60 | |
| Updating the BIOS using the USB drive in Windows......................................................................................... | 60 |
| Updating the BIOS from the F12 One-Time boot menu..................................................................................... | 61 |
| System and setup password........................................................................................................................................... | 61 |
| Assigning a System Setup password......................................................................................................................62 | |
| Deleting or changing an existing system setup password.................................................................................62 | |
| Clearing BIOS (System Setup) and System passwords.......................................................................................... | 63 |
| Chapter 5: Troubleshooting.........................................................................................................64 | |
| Handling swollen rechargeable Li-ion batteries......................................................................................................... | 64 |
| SupportAssist diagnostics...............................................................................................................................................65 | |
| Built-in self-test (BIST)...................................................................................................................................................65 | |
| M-BIST...........................................................................................................................................................................65 | |
| LCD Power rail test (L-BIST)...................................................................................................................................66 | |
| LCD Built-in Self-Test (BIST).................................................................................................................................. | 66 |
| System diagnostic lights..................................................................................................................................................66 | |
| Recovering the operating system..................................................................................................................................67 | |
| Backup media and recovery options.............................................................................................................................68 | |
| Wi-Fi power cycle..............................................................................................................................................................68 | |
| Drain residual flea power (perform hard reset).........................................................................................................68 | |
| Chapter 6: Getting help and contacting Dell................................................................................ | 70 |
**Table Caption: This table is a table of contents for a technical manual, outlining chapters on hardware removal/installation, software drivers, BIOS settings, troubleshooting, and support, with specific page
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