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Dell Latitude E7270Owner's ManualRegulatory Model: P26SRegulatory Type: P26S001

Notes, cautions, and warningsNOTE: 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 theproblem.WARNING: A WARNING indicates a potential for property damage, personal injury, or death. 2016 Dell Inc. or its subsidiaries. All rights reserved. This product is protected by U.S. and international copyright and intellectual propertylaws. Dell and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned hereinmay be trademarks of their respective companies.2018 - 9Rev. A04

Contents1 Working on your computer.6Safety instructions.6Before working inside your computer. 6Turning off your computer. 7After working inside your computer. 72 Removing and installing components.8Recommended tools.8Subscriber Identification Module (SIM) card.8Installing the Subscriber Identification Module (SIM) card.8Removing the Subscriber Identification Module (SIM) card.8SD card. 9Removing the Secure Digital (SD) Card.9Installing the Secure Digital (SD) Card. 9Base cover. 9Removing the base cover. 9Installing the base cover.10Battery.10Lithium-ion battery precautions.10Removing the battery. 10Installing the battery. 11Solid State Drive (SSD).11Removing the Solid State Drive (SSD).11Installing the Solid State Drive (SSD). 12PCIe Solid State Drive (SSD). 12Removing the optional PCIe SSD. 12Installing the optional PCIe SSD. 13Smart card module.13Removing the smart card cage. 13Installing the smart card cage.14Speaker.14Removing the speakers. 14Installing the speakers. 15Coin cell battery. 15Removing the coin cell battery.15Installing the coin cell battery. 16WLAN card. 16Removing the WLAN card. 16Installing the WLAN card.17WWAN card. 17Removing the WWAN card. 173

Installing the WWAN card. 18Memory module. 18Removing the memory module.18Installing the memory module.19Heat sink.19Removing the heat sink assembly. 19Installing the heat sink assembly.20Power connector port. 21Removing the power connector port. 21Installing the power connector port.21Docking frame. 22Removing the dock frame. 22Installing the dock frame. 22System board. 22Removing the system board. 22Installing the system board. 24Keyboard lattice and Keyboard. 24Removing the keyboard assembly.24Removing the keyboard from the keyboard tray. 25Installing the keyboard to the keyboard tray. 26Installing the keyboard assembly.26Display assembly. 26Removing the display assembly. 26Installing the display assembly. 28Display bezel.29Removing the display bezel. 29Installing the display bezel. 29Display panel.29Removing the display panel. 29Installing the display panel. 33Display hinges.33Removing the display hinge. 33Installing the display hinge. 34eDP cable.35Removing the eDP cable. 35Installing the eDP cable. 36Camera.36Removing the camera. 36Installing the camera.38Palmrest. 38Replacing the palmrest . 383 System Setup. 40Boot Sequence.40Navigation keys. 40System setup options.404

General screen options.41System Configuration screen options.41Video screen options. 43Security screen options. 43Secure Boot screen options. 45Intel Software Guard Extensions screen options.46Performance screen options.46Power Management screen options. 47POST Behavior screen options.49Virtualization support screen options. 50Wireless screen options.50Maintenance screen options. 50System Log screen options. 51Updating the BIOS . 51System and setup password.52Assigning a system password and setup password.52Deleting or changing an existing system and/or setup password.524 Diagnostics. 53Enhanced Pre-Boot System Assessment (ePSA) diagnostics. 53Device status lights. 53Battery status lights. 545 Technical specifications. 55System specifications.55Processor specifications.55Memory specifications. 55Audio specifications.56Video specifications. 56Camera specifications. 56Communication specifications.56Port and connector specifications. 57Display specifications.57Keyboard specifications.58Touchpad specifications. 58Battery specifications.58AC Adapter specifications. 59Physical specifications.59Environmental specifications. 606 Contacting Dell. 615

1Working on your computerSafety instructionsUse the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unlessotherwise noted, each procedure included in this document assumes that the following conditions exist: You have read the safety information that shipped with your computer. A component can be replaced or, if purchased separately, installed by performing the removal procedure in the reverse order.WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working insidethe computer, replace all covers, panels, and screws before connecting to the power source.WARNING: Before working inside your computer, read the safety information that shipped with your computer. Foradditional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory complianceCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting andsimple repairs as authorized in your product documentation, or as directed by the online or telephone service and supportteam. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safetyinstructions that came with the product.CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touchingan unpainted metal surface that is grounded to ground yourself before you touch the computer to perform anydisassembly tasks.CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card byits edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins.CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables haveconnectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before youdisconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also,before you connect a cable, ensure that both connectors are correctly oriented and aligned.NOTE: The color of your computer and certain components may appear differently than shown in this document.Before working inside your computerTo avoid damaging your computer, perform the following steps before you begin working inside the computer.1.Ensure that you follow the Safety instructions.2.Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.3.Turn off your computer.4.Disconnect all the network cables from the computer.CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable fromthe network device.5.Disconnect your computer and all attached devices from the electrical outlets.6.Press and hold the power button while the computer is unplugged to ground the system board.6

NOTE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touchingan unpainted metal surface at the same time as touching a connector on the back of the computer.Turning off your computerCAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off yourcomputer.1.Turning off your computer: In Windows 10 (using a touch enabled device or mouse):1.Click or tap2.Click or tap.and then click or touch Shut down.NOTE: Press and hold the power button for five second to force-shutdown the system.CAUTION: A force-shutdown can hose up Windows or even lead to data loss.2.Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automaticallyturn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.After working inside your computerAfter you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning onyour computer.CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not usebatteries designed for other Dell computers.1.Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.2.Connect any telephone or network cables to your computer.CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into thecomputer.3.Connect your computer and all attached devices to their electrical outlets.4.Turn on your computer.7

2Removing and installing componentsThis section provides detailed information on how to remove or install the components from your computer.Recommended toolsThe procedures in this document require the following tools: Small flat blade screwdriver Phillips # 1 screwdriver Small plastic scribe Hex screwdriverSubscriber Identification Module (SIM) cardInstalling the Subscriber Identification Module (SIM) card1.Follow the procedure in After working inside your computer.2.Insert a paperclip or a SIM card removal tool into the pinhole [1].3.Pull the SIM card tray to remove it [2].4.Place the SIM card on the SIM card tray.5.Push the SIM card tray into the slot until it clicks into place.Removing the Subscriber Identification Module (SIM) cardCAUTION: Removing the SIM card when the computer is on may cause data loss or damage the card. Ensure yourcomputer is turned off or the network connections are disabled.1.8Insert a paperclip or a SIM card removal tool into the pinhole on the SIM card tray.

2.Pull the SIM card tray to remove it.3.Remove the SIM card from the SIM card tray.4.Push the SIM card tray into the slot until it clicks into place.SD cardRemoving the Secure Digital (SD) Card1.Follow the procedure in Before working inside your computer2.Press in on the SD card to release it from the computer.3.Slide the SD card out of the computer.Installing the Secure Digital (SD) Card1.Slide the SD card into the slot until it clicks into place.2.Follow the procedures in .After working inside your computerBase coverRemoving the base cover1.Follow the procedure in Before working inside your computer.2.To remove the base cover:a. Loosen the screws that secure the base cover to the computer [1].b. Lift the base cover from the edges and remove it from the computer [2, 3].NOTE: You may need a plastic scribe to lift the base cover from the edges.9