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Summary of Contents for Dell Latitude 5285
- Page 1 Latitude 5285 2-in-1 Owner's Manual Regulatory Model: T17G Regulatory Type: T17G001 March 2022 Rev. A03...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2016-2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Page 3: Table Of Contents
Contents Chapter 1: System specifications....................6 Processor specifications..............................6 System specifications.................................6 Memory specifications............................... 6 Video specifications................................7 Audio specifications................................7 Port and connector specifications...........................7 Communication specifications............................8 Camera specifications................................ 8 Display specifications................................8 AC adapter specifications..............................9 Battery specifications.................................9 Physical specifications..............................10 Environmental specifications............................10 Chapter 2: Using your tablet......................11 Screw list.................................... - Page 4 Changing the screen resolution..........................46 Camera features................................46 Identifying the camera in Device Manager on Windows 10................46 Starting the camera..............................46 Starting the camera application..........................46 Hard drive options................................47 Identifying the hard drive in the BIOS........................47 Dell Active Pen ..................................48 Contents...
- Page 5 Method 2 - Run the laptop LCD built-in self test - BIST ................. 60 Method 3 - Run the laptop LCD built-in self test - BIST ................. 60 Tablet LED................................... 61 Real Time Clock reset............................... 61 Identifying the AC adapter shipped with your tablet....................62 Chapter 6: Contacting Dell......................63 Contents...
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Page 6: Chapter 1: System Specifications
System specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer. Topics: •... -
Page 7: Video Specifications
Integrated on system board UMA controller Intel Integrated HD Graphics 620 External display Optional Dell Adapter - USB Type-C to HDMI/VGA support NOTE: Supports VGA, DisplayPort, HDMI through the docking station (Dell Dock WD15). Audio specifications Feature Specification Types High-definition audio Controller... -
Page 8: Communication Specifications
● Dell Wireless Qualcomm Snapdragon X7 LTE-A (Optional) ● Dell Wireless Qualcomm Snapdragon X7 HSPA+ ● Dell Wireless Telit Intel Ln-930 AP LTE CAT4 WiGig (Optional) Intel Tri-Band Wireless-AC 18265 WiGig + Wi-Fi + BT4.2 Wireless Card Camera specifications Feature... -
Page 9: Ac Adapter Specifications
AC adapter specifications Feature Specification Type 45 W USB Type-C, 46 W small form factor (SFF) USB Type C and 65 W USB Type-C Input voltage 100 V AC–240 V AC Input current— 1.3 A / 1.7 A maximum Input frequency 47 Hz to 63 Hz Output current ●... -
Page 10: Physical Specifications
Feature Specification Non-operating - 20°C to 85°C (- 4°F to 185°F) Physical specifications Feature Specification Weight - Tablet 1.89 lbs (856 g) only(with 32 Whr battery and 126 GB m2 SATA base) Weight - 2.64 lbs(1.196 kg) Tablet+Keyboard Input current— 1.3 A / 1.7 A maximum Width... -
Page 11: Chapter 2: Using Your Tablet
Smart Card Cage • Docking board • System Board • Coin cell battery • Antenna • USH board Screw list Table 1. Latitude 5285 2-in-1 Screw size list M2.0X4. M1.6x3. M1.6x3. Component M2.0x 1.1+1.7 M2.0X2.5 M2.0X2.0 M2.0X3.5 Back cover Battery Heat sink... -
Page 12: Recommended Tools
Table 1. Latitude 5285 2-in-1 Screw size list (continued) M2.0X4. M1.6x3. M1.6x3. Component M2.0x 1.1+1.7 M2.0X2.5 M2.0X2.0 M2.0X3.5 Camera module 2 (front) 1(rear) Antenna module System board Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver ○... -
Page 13: Before Working Inside Your Tablet
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. -
Page 14: After Working Inside Your Tablet
NOTE: Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off. - Page 15 4. Slide the kickstand to an angle 135°, to microSD and micro-SIM cards slot. 5. Insert the SD card and/or micro-SIM cards into the slots indicated on the slots. 6. Align the cover with the groove on the tablet and slide it inside to secure the microSD and the micro-SIM cards. 7.
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Page 16: Display Panel And Display Cable
Display Panel and display cable Removing the display panel and display cable 1. Follow the procedure in Before working inside your tablet. 2. Remove the: uSIM/microSD card NOTE: uSIM card slot is available only on tablets shipping with WWAN module. 3. - Page 17 6. Use a plastic scribe [1] to pry the edges [2] of the display panel starting from the bottom side first (near the docking port). NOTE: Flip the tablet so the LCD is upward. Using your tablet...
- Page 18 7. Flip the display panel on a plane surface . 8. To disconnect the cables: a. Disconnect the battery cable on the system board [1]. b. Disconnect the display cable on the system board [2]. 9. Lift the display panel from the tablet. Using your tablet...
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Page 19: Installing The Display Panel
Installing the display panel 1. Place the display panel on a plane surface. 2. Connect the display cable to the connector on the system board 3. Connect the battery cable to the connector on the system board. 4. Install the display panel on the tablet and press the edges until they snap in. 5. -
Page 20: Installing The Display Cable
Installing the display cable 1. Connect the display cable to connector on the display panel. 2. Affix the tape to secure the display cable to the display panel. 3. Connect the touch module cable to connector on the display panel. 4. -
Page 21: Installing Ssd Module
Installing SSD module 1. Insert the SSD module into the connector on the system board. 2. Install the SSD shield on the SSD module. CAUTION: Align the five clips heads into the system board clips holes, to install the shield properly. Ensure to insert the clips with caution, as the clips are small and delicate. -
Page 22: Installing The Wlan Card
2. Remove the: uSIM/micrSD card NOTE: uSIM card slot is available only on tablets shipping with WWAN module. display panel 3. To remove the WLAN card: a. Remove the M2.0 x 3.5 screw securing the WLAN bracket [1] . b. Disconnect the antenna cables from the WLAN card [2] . c. -
Page 23: Speaker
Speaker Removing the speaker 1. Follow the procedure in Before working inside your tablet. 2. Remove the: Micro SIM/micro SD card NOTE: Micro SIM card slot is available only on tablets shipping with WWAN module. display panel 3. To remove the speaker: a. -
Page 24: Battery
Lithium-ion battery can be dangerous. In such an instance, the entire system should be replaced. Contact https://www.dell.com/support for assistance and further instructions. ● Always purchase genuine batteries from https://www.dell.com or authorized Dell partners and re-sellers. Removing the battery 1. Follow the procedure in Before working inside your tablet. 2. Remove the:... -
Page 25: Installing The Battery
Installing the battery 1. Insert the battery into the slot on the tablet. 2. Replace the M2.0 x 4.0 screws to secure the battery to the tablet. 3. Install the: display panel uSIM/microSD card NOTE: uSIM card is installed only on tablets shipping with WWAN module. 4. -
Page 26: Installing The System Fan
Installing the system fan 1. Align the system fan with screw holders on the system board. 2. Replace the M2.0 x 3.0 screws to secure the system fan to the system board. 3. Connect the system fan cable to the system board. 4. - Page 27 3. To remove the heat sink assembly: a. Peel the conductive tapes that secure the shielding cover [1]. NOTE: Ensure to peel off the tape carefully, as any damage to the tape will need to raise a new order for conductive tapes.
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Page 28: Installing Heat Sink Assembly
Installing heat sink assembly 1. Align the heat sink assembly with screw holders on the system board. 2. Replace the M2.0 x 2.5 screws to secure the heat sink to the system board. NOTE: Tighten the screws on the system board in the order of the callout numbers [1, 2, 3, 4] as indicated on the heat sink. -
Page 29: Installing The Front Camera
2. Remove the: Micro-SIM and/or microSD card NOTE: Micro-SIM card slot is available only on tablets shipping with WWAN module. Display panel 3. To remove the front camera: a. Remove the conductive tape covering the camera module, heatsink, antenna and shielding cover [1]. b. -
Page 30: Rear Facing Camera
6. Install the: display panel uSIM/microSD card NOTE: uSIM card is installed only on tablets shipping with WWAN module. 7. Follow the procedure in After working inside your tablet. Rear facing camera Removing rear camera 1. Follow the procedure in Before working inside your tablet. -
Page 31: Smart Card Cage
2. Replace the M1.6 x 3.0 screw to secure the rear camera module. 3. Connect the rear camera cable to the system board. 4. Install the: front camera display panel uSIM/microSD NOTE: uSIM card is installed only on tablets shipping with WWAN module. 5. -
Page 32: Installing The Smart Card Cage
Installing the smart card cage 1. Insert the smart cage into the slot on the tablet. 2. Replace the M2.0 x 2.5 screws screws to secure the smart card cage to the tablet. 3. Connect the smart cable to the smart card module. 4. -
Page 33: Installing The Smart Card Cage
Lift the docking board after releasing the cable from the adhesive. Installing the smart card cage 1. Insert the smart cage into the slot on the tablet. 2. Replace the M2.0 x 2.5 screws screws to secure the smart card cage to the tablet. 3. - Page 34 NOTE: Remove the WWAN card (optional) front camera rear camera heat sink 3. Disconnect the following cables from the system board . a. docking board cable [1] b. speaker cable [2] c. USH board cable [3] 4. Un route the antenna cables from the routing clips [1,2, 3, 4]. Using your tablet...
- Page 35 5. To remove the system board a. Remove the M2.0 x 2.5 screws that secure the system board to the tablet [1]. b. Lift the system board from the tablet [2]. Using your tablet...
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Page 36: Installing System Board
Installing system board 1. Align the system board with the screw holders on the tablet. 2. Tighten the M2.0 x 2.5 screws to secure the system board to the tablet. NOTE: Remember to align the Type-C port and tighten the two screws to secure the port to the system chassis. 3. -
Page 37: Installing The Coin Cell Battery
NOTE: If you can easily disconnect the coin cell battery cable from beneath the connector on the system board, you need not remove the system board to remove the coin cell battery. Installing the coin cell battery 1. Insert the coin cell battery to the slot on and affix it to the back cover. 2. - Page 38 system board 3. To un route the antenna cables of the antenna module: a. Peel the tape that secures the cables to the back cover of the tablet [1]. b. Un route the cables from routing channels on the back cover [2]. c.
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Page 39: Installing The Antenna Module
Installing the antenna module 1. Insert the antenna module into the slot on the back cover of the tablet. 2. Tighten the M1.6 x 3 screw to secure the antenna module. 3. Route the antenna cables to the routing channels. 4. -
Page 40: Installing The Ush Board
2. Remove the: uSIM/microSD card NOTE: uSIM card slot is available only on tablets shipping with WWAN module. display panel battery smart card cage 3. To disconnect the cables: a. Lift the shield from the connector on the USH board [1]. b. - Page 41 NOTE: uSIM card is installed only on tablets shipping with WWAN module. 7. Follow the procedure in After working inside your tablet. Using your tablet...
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Page 42: Chapter 3: Technology And Components
Processors Latitude 5285 is shipped with: ● Intel Core i3-7100U (Dual Core, 3M cache, 2.4 GHz,15 W) ● Intel Core i5-7200U (Dual Core, 3M Cache, up to 3.1 GHz, 15 W) ●... -
Page 43: Verifying Processor Usage In Task Manager
Verifying processor usage in task manager 1. Right click on the taskbar. Select Task Manager 2. You can also access the task manager by clicking CTRL+ALT+DEL keys. The Windows Task Manager window is displayed. 3. Click the Performance tab in the Windows Task Manager window. Verifying processor usage in resource monitor 1. -
Page 44: Chipset
Chipset The chipset is integrated on the processor. Identifying chipset in device manager on Windows 10 NOTE: The Chipset information displayed is a generic image and may be different from what is displayed. 1. Type Device Manager in the Ask me anything field. Device Manager window appears. -
Page 45: Memory Features
Testing memory using ePSA 1. Turn on or restart your tablet. 2. Perform one of the following actions after the Dell logo is displayed: a. With keyboard—Press F12 b. Press Volume Up button before pressing the Power button to turn on the tablet. -
Page 46: Changing The Screen Resolution
Changing the screen resolution 1. Right click on the desktop and select Display Settings. 2. Tap or click the Advanced display settings. 3. Select the required resolution from the drop-down list and tap Apply. Camera features This system is shipped with front facing camera with 5 MP and rear facing camera with 8 MP Identifying the camera in Device Manager on Windows 10 1. -
Page 47: Hard Drive Options
1. Turn on or restart your laptop. 2. When the Dell logo appears, perform one of the following actions to enter the BIOS setup program: ● With keyboard — Tap F2 until the Entering BIOS setup message appears. To enter the Boot selection menu, tap F12. -
Page 48: Dell Active Pen
Dell Active Pen ● Natural writing feel for a pen on paper experience ● Industry leading accuracy, built with Wacom feel IT technologies ● Active stylus with hovering and pressure-sensitive tip (2048 levels of pressure) ● Magnetic attach feature with built-in magnet for increased fastening strength ●... -
Page 49: Chapter 4: System Setup
Latitude 5285 Extreme Tablet BIOS can be accessed without keyboard and with keyboard. To navigate follow the procedure: Without Keyboard: 1. Power on the Latitude tablet. 2. Hold down the Volume Down button during startup (as the Dell logo appears) until the BIOS (System Setup) page is displayed. With Keyboard: 1. -
Page 50: General Screen Options
General screen options This section lists the primary hardware features of your tablet. Option Description System This section lists the primary hardware features of your tablet. Information ● System Information: Displays BIOS Version, Service Tag, Asset Tag, Ownership Tag, Ownership Date, Manufacture Date, Express Service Code, the Signed Firmware update—enabled by default ●... - Page 51 Option Description ● Enable External USB Port—enabled by default ● Always Allow dell docks—enabled by default NOTE: USB keyboard and mouse always work in the BIOS setup irrespective of these settings. USB PowerShare This field configures the USB PowerShare feature behavior. This option allows you to charge external devices using the stored system battery power through the USB PowerShare port.
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Page 52: Video Screen Options
Video screen options Option Description Display Allows you to set the display brightness depending up on the power source—On Battery and On AC. The Brightness(LCD display brightness is independent for battery and AC adapter. It can be set using the slider. Brightness) Security screen options Option... -
Page 53: Secure Boot Screen Options
Option Description ● SHA-256—enabled by default ● Disabled ● Enabled—enabled by default Computrace Allows you to activate or disable the optional Computrace software The options are: ● Deactivate ● Disable ● Activate—enabled by default NOTE: The Activate and Disable options will permanently activate or disable the feature and no further changes are allowed CPU XD Support Allows you to enable the Execute Disable mode of the processor. -
Page 54: Performance Screen Options
This feature is only functional when the AC power adapter is connected. If the AC power adapter is removed during Standby, the system setup removes power from all the USB ports to conserve battery power. ● Wake on the Dell USB-C dock Default setting: The option is enabled by default. Wireless Radio... -
Page 55: Post Behavior Screen Options
● Standard—Fully charges your battery at a standard rate—enabled by default. Configuration ● ExpressCharge—The battery charges over a shorter time using Dell’s fast charging technology. If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop. -
Page 56: Virtualization Support Screen Options
Option Description Warnings and This option will cause the boot process to only pause when warnings or errors are detected. Errors ● Prompt on Warnings and Errors—enabled by default ● Continue on Warnings ● Continue on Warnings and Errors NOTE: Error deemed critical to the operation of the system hardware will always halt the system. -
Page 57: System Logs Screen Options
It is recommended to update your BIOS (System setup) on replacing the system board or if an update is available. Ensure that your tablet battery is fully charged and connected to a power outlet. 1. Restart the tablet. 2. Go to Dell.com/support. 3. Enter the Service Tag or Express Service Code and click Submit. NOTE:... -
Page 58: Assigning A System Password And Setup Password
Password Description type Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended. NOTE: System and setup password feature is disabled. -
Page 59: Chapter 5: Troubleshooting
LCD Built-in Self Test - BIST Dell laptop PCs have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop PC or with the video card (GPU) and PC settings. -
Page 60: Method 1 - Run The Laptop Lcd Built-In Self Test - Bist
Check the video card (GPU) and PC settings. If you do notice any abnormalities in the built-in self test mode, you may get the laptop LCD repaired/replaced if it is under warranty by contacting Dell Technical Support. Method 3 - Run the laptop LCD built-in self test - BIST 1. -
Page 61: Tablet Led
Real Time Clock reset The Real Time Clock (RTC) reset function allows you or the service technician to recover the recently launched model Dell Latitude and Precision systems from select No POST/No Boot/No Power situations. You can initiate the RTC reset on the system from a power off state only if it is connected to AC power. -
Page 62: Identifying The Ac Adapter Shipped With Your Tablet
AC adapters are shipped based on customer requirements or based on regions. To identify the AC adapter shipped with your tablet, you can verify it from the service tag. 1. Go to Dell.com/support 2. Type the service tag of your tablet. -
Page 63: Chapter 6: Contacting Dell
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. Go to Dell.com/support.