Contents 1 Working on your computer..........................6 Turning off your computer — Windows 10........................6 Before working inside your computer..........................6 Safety instructions................................6 After working inside your computer..........................7 2 Removing and installing components......................8 Recommended tools................................8 Screw size list..................................8 Subscriber Identification Module (SIM) card........................9 Removing SIM card or SIM card tray........................
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POST behavior screen options............................26 Manageability..................................28 Virtualization support screen options..........................28 Wireless screen options..............................28 Maintenance screen options............................29 System logs screen options............................29 Updating the BIOS in Windows .............................29 System and setup password............................30 Assigning a system password and setup password....................30 Deleting or changing an existing system and/or setup password............... 30 4 Technical specifications..........................
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Assigning a system password and setup password....................52 Deleting or changing an existing system and/or setup password............... 52 6 Troubleshooting............................54 Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................54 Running the ePSA diagnostics..........................54 7 Contacting Dell............................55 Contents...
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance Working on your computer...
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.
The procedures in this document require the following tools: • Phillips #0 screwdriver • Phillips #1 screwdriver • Small plastic scribe Screw size list Table 1. Latitude 7480 - Screw size list Component M2.5x 6.0 M2.5x5.0 M2.0 x 5.0 M2.5 x 4.0 M2.0x3.0 M2.0 x 2.5 M2.0 x 2.0...
Subscriber Identification Module (SIM) card Removing SIM card or SIM card tray NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. Hence, removing procedure is only applicable for systems that are shipped with WWAN module. CAUTION: Removing the SIM card when the computer is on may cause data loss or damage the card.
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b Use a plastic scribe to release the base cover from the edge and lift it from the computer [2]. Lift the base cover from the computer. Removing and installing components...
Installing base cover Align the base cover tabs to the slots on the edges of the computer. Press the edges of the cover until it clicks into place. Tighten the M2.5 x 6.0 captive screws to secure the base cover to the computer. NOTE: Be cautious while tightening the screws.
Installing battery Insert the battery into the slot on the computer. Route the battery cable through the routing clip and connect the battery cable to the connector on the system board. NOTE: Route the battery cable, if the cable at the base of the battery is un routed. Tighten the M2.0 x 5.0 screws to secure the battery to the computer.
Installing PCIe SSD Insert the PCIe SSD card into the connector. Install the SSD bracket over the PCIe SSD card. Tighten the M2.0x3.0 screws to secure it the SSD bracket. Install the: battery base cover Follow the procedure in After working iinside your computer.
b Lift the metal bracket that secures the WWAN card . Disconnect the WWAN cables from the connectors on the WWAN card . d Lift the WWAN card from the computer . Installing WWAN card Insert the WWAN card into the connector on the system board. Connect the WWAN cables to the connectors on the WWAN card.
Installing WLAN card Insert the WLAN card into the connector on the system board. Connect the WLAN cables to the connectors on the WLAN card. Place the metal bracket and tighten the M2.0 x 3.0 screw to secure it to the computer. Install the: battery base cover...
Installing memory module Insert the memory module into the connector until snaps in. Install the: battery base cover Follow the procedures in After working inside your computer. Removing and installing components...
Boot menu Press <F12> when the Dell™ logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system. Diagnostics and BIOS Setup options are also included in this menu. The devices listed on the boot menu depend on the bootable devices in the system.
Navigation keys NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the system. Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field.
Option Description Boot list options • Legacy • UEFI—selected by default Advanced Boot This option allows you the legacy option ROMs to load. By default, the Enable Legacy Option ROMs is disabled. Options Enable Attempt Legacy Boot is disabled by default. UEFI boot path •...
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The options are: • Enable USB Boot Support—enabled by default • Enable the Thunderbolt ports—enabled by default • Always Allow dell docks—enabled by default • Enable External USB Port—enabled by default • Enable Thunderbolt Boot Support • Enable Thunderbolt (and PCIE behind TBT) Preboot •...
Option Description • 10 sec—enabled by default • 15 sec • 30 sec • 1 min • 5 min • 15 min • Never Keyboard Backlight The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature is not Timeout on Battery affected.
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Option Description Default setting: Not set System Password Allows you to set, change, or delete the system password. NOTE: Successful password changes take effect immediately. Default setting: Not set Internal HDD-2 Allows you to set, change, or delete the administrator password. Password NOTE: Successful password changes take effect immediately.
Option Description NOTE: To upgrade or downgrade TPM 2.0, download the TPM wrapper tool—software. 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.
Option Description • Delete—Deletes the selected key • Reset All Keys—Resets to default setting • Delete All Keys—Deletes all the keys NOTE: If you disable the Custom Mode, all the changes made are erased and the keys restore to default settings.
• Enable USB Wake Support • Wake on Dell USB-C dock Default setting: The option is disabled. Wireless Radio Allows you to enable or disable the feature that automatically switches from wired or wireless networks without Control depending on the physical connection.
• Adaptive—enabled by default Configuration • Standard—Fully charges your battery at a standard rate. • ExpressCharge—The battery charges over a shorter time using Dell’s fast charging technology This option is enabled by default. • Primarily AC use • Custom If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.
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Option Description NOTE: When setup is running, this option has no effect. Setup works in Fn Key Only mode. Mouse/Touchpad Allows you to define how the system handles mouse and touch pad input. The options are: • Serial Mouse • PS2 Mouse •...
Manageability Option Description MEBX Hotkey Allows you to specify whether the MEBx Hotkey function should enable, during the system boot. • Disabled • Enabled Default setting: Disabled For USB provision Enable USB provision is not selected by default Virtualization support screen options Option Description Virtualization...
It is recommended to update your BIOS (System Setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet Restart the computer. Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit.
The Drivers and Downloads section opens. Click Find it myself. Click BIOS to view the BIOS versions. Identify the latest BIOS file and click Download. Select your preferred download method in the Please select your download method below window, click Download File. The File Download window appears.
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To enter the System Setup, press F2 immediately after a power-on or reboot. In the System BIOS or System Setup screen, select System Security and press Enter. The System Security screen is displayed. In the System Security screen, verify that Password Status is Unlocked. Select System Password, alter or delete the existing system password and press Enter or Tab.
Technical 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.
Feature Specification Temperature range 0°C to 40°C (32°F to 104°F) —Operating Temperature range –40°C to 70°C (–40°F to 158°F) —Non-Operating Port and connector specifications Feature Specification Audio Microphone-in, stereo headphones, and headset combo connector Video HDMI 1.4 Network adapter One RJ-45 connector •...
Touchpad specifications Feature Specification Active Area: X-axis 99.50 mm Y-axis 53.0 mm X/Y position X: 1048cpi; Y:984cpi resolution Multi-touch Configurable single finger and multi-finger gestures Display specifications Feature Specification Type - 14.0" Anti Glare HD WLED-Non Touch Luminance 200 nits Height 205.6 mm (8.09 inches) Width...
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Feature Specification Refresh rate 60 Hz Maximum viewing +/-80° angles—horizontal Maximum viewing +/-80° angles—vertical Pixel pitch 0.161 x 0.161 mm Feature Specification Type - 14.0" FHD Anti Glare IPDS - Touch Luminance 270 nits Height 205.05 mm (8.07 inches) Width 327.8 mm (12.90 inches) Diagonal 355.6 mm (14.0 inches)
Physical specifications Feature Specification Front height—non- 11.58 mm (0.45 inch) touch Back height—non- 18.41 mm (0.72 inch) touch Back height—touch 18.41 mm (0.72 inch) Width 331.0 mm (13.03nches) Depth 220.9 mm (8.69 inches) Weight—non-touch 1.36 kg (3.01 lbs) with 3–cell battery Environmental specifications Temperature Specifications...
Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears. you can: •...
Navigation keys NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the system. Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field.
Option Description Boot list options • Legacy • UEFI—selected by default Advanced Boot This option allows you the legacy option ROMs to load. By default, the Enable Legacy Option ROMs is disabled. Options Enable Attempt Legacy Boot is disabled by default. UEFI boot path •...
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The options are: • Enable USB Boot Support—enabled by default • Enable the Thunderbolt ports—enabled by default • Always Allow dell docks—enabled by default • Enable External USB Port—enabled by default • Enable Thunderbolt Boot Support • Enable Thunderbolt (and PCIE behind TBT) Preboot •...
Option Description • 10 sec—enabled by default • 15 sec • 30 sec • 1 min • 5 min • 15 min • Never Keyboard Backlight The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature is not Timeout on Battery affected.
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Option Description Default setting: Not set System Password Allows you to set, change, or delete the system password. NOTE: Successful password changes take effect immediately. Default setting: Not set Internal HDD-2 Allows you to set, change, or delete the administrator password. Password NOTE: Successful password changes take effect immediately.
Option Description NOTE: To upgrade or downgrade TPM 2.0, download the TPM wrapper tool—software. 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.
Option Description • Delete—Deletes the selected key • Reset All Keys—Resets to default setting • Delete All Keys—Deletes all the keys NOTE: If you disable the Custom Mode, all the changes made are erased and the keys restore to default settings.
• Enable USB Wake Support • Wake on Dell USB-C dock Default setting: The option is disabled. Wireless Radio Allows you to enable or disable the feature that automatically switches from wired or wireless networks without Control depending on the physical connection.
• Adaptive—enabled by default Configuration • Standard—Fully charges your battery at a standard rate. • ExpressCharge—The battery charges over a shorter time using Dell’s fast charging technology This option is enabled by default. • Primarily AC use • Custom If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.
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Option Description NOTE: When setup is running, this option has no effect. Setup works in Fn Key Only mode. Mouse/Touchpad Allows you to define how the system handles mouse and touch pad input. The options are: • Serial Mouse • PS2 Mouse •...
Manageability Option Description MEBX Hotkey Allows you to specify whether the MEBx Hotkey function should enable, during the system boot. • Disabled • Enabled Default setting: Disabled For USB provision Enable USB provision is not selected by default Virtualization support screen options Option Description Virtualization...
It is recommended to update your BIOS (System Setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet Restart the computer. Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit.
The Drivers and Downloads section opens. Click Find it myself. Click BIOS to view the BIOS versions. Identify the latest BIOS file and click Download. Select your preferred download method in the Please select your download method below window, click Download File. The File Download window appears.
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To enter the System Setup, press F2 immediately after a power-on or reboot. In the System BIOS or System Setup screen, select System Security and press Enter. The System Security screen is displayed. In the System Security screen, verify that Password Status is Unlocked. Select System Password, alter or delete the existing system password and press Enter or Tab.
Running the ePSA diagnostics Power-on the computer. As the computer boots, press the F12 key as the Dell logo appears. On the boot menu screen, select the Diagnostics option. The Enhanced Pre-boot System Assessment window is displayed.
Dell product catalog. 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: Go to Dell.com/support.