Dell Latitude E7450 Owner's Manual Regulatory Model: P40G Regulatory Type: P40G002
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. © 2015 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents 1 Working on your computer............................................................................................................................. 5 Before Working Inside Your Computer............................................................................................................................ 5 Turning Off Your Computer...............................................................................................................................................
Removing the I-O Board................................................................................................................................................. 26 Installing the I-O Board.................................................................................................................................................... 27 Removing the Display-Hinge Cover...............................................................................................................................
1 Working on your computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise 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 reverse order.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the display. CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components. 12 Remove any installed ExpressCards or Smart Cards from the appropriate slots.
2 Docking Your Computer Follow the steps to dock your computer: a b Place the docking spacer until the docking spacer clicks in its place in the docking station. Place the computer on the docking spacer to dock your computer. NOTE: This docking spacer can be used to dock only the Latitude E7250 / Latitude E7450 computers. You cannot dock any other Dell computers using this docking station. NOTE: The docking spacer and the dock are optional items and do not ship standard with the computer.
3 Disassembly and reassembly Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe Screw size list The following table shows the screw list for the Latitude E7450 for different components: Table 1. Screw List Component M2.0x3.0 Hinge R&L - LCD COVER 4 LED Board - LCD Cover 1 Panel Assy-LCD cover 4 Hinge R&L - LCD COVER M2.5x4.0 M2x2.5 M2.0x1.
Component M2.0x3.0 M2.5x4.0 M2x2.5 M2.0x1.7 M2.5x5.0 LCD Assy - Base Assy (Top side) 3 LCD Assy - Base Assy (Bottom side) 2 BASE PALMREST 5 PALMREST BASE 8 Fan - Log Lower 1 Fan - Log Lower 1 MB - Lower 7 Thermal - MB 4 Speaker - Log Low 4 DC IN Bracket Log Low 1 SMART CARD FILLER- Log Low None SIM CARD BOARD - Log Low 1 M2.0x2.
System Overview 1 Battery-status light 2 Hard-drive activity light 3 Power-status light 4 Microphones 5 Camera 6 Camera-status light 7 Hard-drive activity light 8 Battery-status light 10 Disassembly and reassembly
9 Wireless-status light 10 Security-cable slot 11 Power button 12 USB 3.0 connector 13 Headset connector 14 Contactless smart-card reader / Near Field Communication (NFC) reader (optional) 15 Fingerprint reader (optional) 16 Touchpad 17 Smart card reader (optional) 18 Memory card reader 19 Network connector 20 Mini-DisplayPort Connector 21 USB 3.0 connector 22 HDMI connector 23 USB 3.
Installing the Battery 1 Slide the battery into its slot until it clicks into place. 2 Follow the procedures in After Working Inside Your computer. Removing the Base Cover 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove battery. 3 Perform the following steps as shown in the illustration: a b 4 Remove the screws that secure the base cover to the computer [1]. Slide the base cover to release it from the computer [2]. Remove the base cover from the computer.
Removing the Hard Drive 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove: a b 3 Perform the following steps as shown in the illustration: a b c 4 battery base cover Disconnect the hard-drive cable from the computer [1]. Remove the screws that secure the hard-drive bracket to the hard drive [2]. Remove the hard-drive bracket to release the hard drive [3]. Remove the hard drive from the computer. Installing the Hard Drive 1 Place the hard drive inside the computer.
Removing the Coin-Cell Battery 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove: a b 3 battery base cover Perform the following steps as shown in the illustration: a b Disconnect the coin-cell cable from its connector on the system board [1]. Pry the coin-cell to remove from the computer [2]. Installing the Coin-Cell Battery 1 Insert the coin-cell battery to its place on the computer. 2 Connect the coin-cell battery cable to its connector on the system board.
Installing the mSATA SSD 1 Place the mSATA SSD card in its slot in the computer. 2 Tighten the screw to secures the mSATA SSD card to the computer. 3 Install: a b 4 base cover battery Follow the procedures in After Working Inside Your computer. Removing the memory module 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove: a b battery base cover 3 Pry the retention clips from the memory module. 4 Remove the memory module from the system.
Installing the memory module 1 Follow the procedures in After Working Inside Your Computer. 2 Install: a b battery base cover 3 Insert the memory in the memory socket. 4 Press the memory until the securing clips secures it. If there is a second memory to be installed in DIMM B slot, repeat steps 1 and 2. 5 Replace the pre-removal parts in descending order Removing the WWAN Card 1 Follow the procedures in Before Working Inside Your Computer.
d Remove the WLAN card from the computer [4]. Installing the WLAN Card 1 Place the WLAN card into its slot on the computer. 2 Connect the WLAN cables to their connectors on the WLAN card. 3 Replace the metal bracket on the WLAN card. 4 Tighten the screw to secure the WLAN card to the computer. 5 Install: a b 6 base cover battery Follow the procedures in After Working Inside Your computer. Removing the System Fan 1 Follow the procedures in Before Working Inside Your Computer.
3 Connect the system-fan cable to the computer. 4 Install: a b 5 base cover battery Follow the procedures in After Working Inside Your computer. Removing the Display Bezel 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove the battery. 3 Pry the edges to release the display bezel from the display assembly. 4 Remove the display bezel from the display assembly. Installing the Display Bezel 1 Place the display bezel on the display assembly.
Removing the Display Panel 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove: a b 3 battery display bezel Perform the following steps as shown in the illustration: a b Remove the screws that secure the display panel to the display assembly [1]. Lift the display panel to access the eDP cable [2]. 4 Peel the adhesive tape [1] to access the eDP cable [2].
Installing the Display Panel 1 Connect the eDP to its connector on the display panel and affix the adhesive tape. 2 Place the display panel to its original position on the display assembly. 3 Tighten the screws to secure the display panel to the display assembly. 4 Install: a b 5 display bezel battery Follow the procedures in After Working Inside Your computer. Removing the Camera 1 Follow the procedures in Before Working Inside Your Computer.
Installing the Camera 1 Install the camera into its slot on the display panel. 2 Connect the camera cable to its connector on the display assembly. 3 Install: a b c 4 display panel display bezel battery Follow the procedures in After Working Inside Your computer. Removing the Keyboard Trim 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove the battery. 3 Using a plastic scribe, pry the keyboard trim from its edges to release it from the keyboard.
Installing the Keyboard Trim 1 Insert the keyboard trim on the keyboard. 2 Press along the sides of the keyboard trim until it clicks in place. 3 Install battery. 4 Follow the procedures in After Working Inside Your computer Removing the Keyboard 1 Follow the procedures in Before Working Inside Your Computer 2 Remove: a b c 3 Perform the following steps as shown in the illustration: a b 4 battery base cover keyboard trim Peel the adhesive tape to access the keyboard cable [1].
5 Perform the following steps as shown in the illustration: a b Pry the keyboard to release it from the computer [1] Remove the keyboard from the computer [2]. Installing the Keyboard 1 Place the keyboard to align with the screw holders to the computer. 2 Tighten the screws to secure the keyboard on the palmrest. 3 Connect the keyboard cable to its connector on the system board.
4 Perform the following steps as shown in the illustration: a b c 5 Flip the computer. Disconnect touchpad and power LED cables from their connectors on the system board [1] [2]. Remove the screws that secure palmrest to the computer [3]. Perform the following steps as shown in the illustration: a b 24 Pry the edges of the palmrest assembly [1] Remove the palmrest from the computer [2].
Installing the Palmrest 1 Align the palmrest to its original position on the computer until it snaps in its place. 2 Connect the power LED and touchpad cables to their connectors on the system board. 3 Tighten the screws to secure the palmrest to the front of the computer. 4 Flip the computer and tighten the screws to secure the palmrest to the computer. 5 Install: a b c d 6 keyboard keyboard trim base cover battery Follow the procedures in After Working Inside Your computer .
4 Perform the following steps as shown in the illustration: a b Remove the screws that secure the speakers to the computer [1]. Remove the speakers from the computer [2]. Installing the Speaker 1 Align the speakers to their original position and tighten the screws to secure the speakers to the computer. 2 Route the speaker cables to their routing channels on the computer. 3 Connect the speaker cable to its connector on the system board.
b c d e f 3 base cover hard drive keyboard trim keyboard palmrest Perform the following steps as shown in the illustration: a b c Disconnect the I/O board cable from its connector on the system board [1] [2]. Remove the screws that secure the I/O board to the computer [3]. Remove the I/O board from the computer [4]. Installing the I-O Board 1 Insert the I/O board to its place on the computer. 2 Tighten the screws to secure the I/O board to the computer.
4 Perform the following steps as shown in the illustration: a b Remove the screws that secure display-hinge covers to the computer [1]. Remove the display-hinge covers from the computer [2]. Installing the Display-Hinge Cover 1 Place the display-hinge covers on the system and tighten the screws to secure the display-hinge covers to the computer. 2 Tighten the screws to secure the display-hinge covers at the back of the computer.
d e f keyboard hard drive palmrest 3 Release the WWAN and WLAN cables from their routing channels. 4 Perform the following steps as shown in the illustration: a b c 5 Release the screw to release the metal bracket that secures the display-assembly cable [1]. Remove the metal bracket to access the display-assembly cable [2]. Disconnect the display-assembly cables from their connectors on the system board [3] [4].
6 Perform the following steps as shown in the illustration: a b Remove the screws that secure the display assembly to the computer [1]. Lift the display assembly to remove from the computer [2]. Installing the Display Assembly 1 Route the WWAN, WLAN, and display-assembly cables through their respective routing channels on the base chassis and connect to their connectors. 2 Place the display assembly onto the computer. 3 Tighten the screws to secure the display assembly to the computer.
6 Follow the procedures in After Working Inside Your computer. Removing the System Board 1 Follow the procedures in Before Working Inside Your Computer. 2 Remove: a b c d e f g h i j battery base cover keyboard trim keyboard hard drive palmrest WWAN card WLAN card hinge cover display assembly 3 Disconnect the hard-drive cable [1] and power-connector port cable [2] from their connectors on the system board.
Installing the System Board 1 Place the system board on the computer chassis to align it with the screw holders. 2 Tighten the screws to secure the system board to the computer chassis. 3 Connect the speaker and I/O board cables to their connectors on the system board. 4 Connect the hard-drive cable and power-connector port cable to their connectors on the system board.
3 Perform the following steps as shown in the illustration: a b Remove the screws that secure the heatsink to the system board [1]. Remove the heatsink from the system board [2]. Installing the Heatsink 1 Place the heatsink into its original position on the system board. 2 Tighten the screws to secure the heatsink to the system board.
m n o p 3 I/O board speakers system fan system board Perform the following steps as shown in the illustration: a b c Remove the screws to release the metal bracket that secure the power-connector port [1]. Remove the metal bracket from the power-connector port [2]. Remove the power-connector port from the computer chassis [3]. Installing the Power Connector 1 Insert the power connector in its slot on the computer chassis. 2 Place the metal bracket on the power-connector port.
4 System Setup Topics: • Boot Sequence • Navigation Keys • System Setup Options • Updating the BIOS • System and Setup Password Boot Sequence 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).
Keys Navigation NOTE: For the standard graphics browser only. Moves to the previous page till you view the main screen. Pressing in the main screen displays a message that prompts you to save any unsaved changes and restarts the system. Displays the System Setup help file. System Setup Options NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear. Table 3.
• • • • • Advance Boot Option This option is required for Legacy boot mode. This option is not allowed if Secure Boot is enabled. • Date/Time Diskette Drive Internal HDD USB Storage Device CD/DVD/CD-RW Drive Onboard NIC Enable Legacy Option ROMs — This option is disabled by default. Allows you to set the date and time. Table 4. System Configuration Option Description Integrated NIC Allows you to configure the integrated network controller.
SATA Operation Allows you to configure the internal SATA hard-drive controller. The options are: • • • Disabled AHCI RAID On (Default Setting) NOTE: SATA is configured to support RAID mode. Drives Allows you to configure the SATA drives on board. The options are: • • • • SATA-0 SATA-1 SATA-2 SATA-3 Default Setting: All drives are enabled. SMART Reporting This field controls if the harddrive errors for the integrated drives are reported during system startup.
emissions from the system. The option is disabled by default. • Miscellaneous Devices Enable Unobtrusive Mode Allows you enable or disable the various on board devices. The options are: • • • • • Enable Microphone Enable Hard Drive Free Fall Protection Enable Camera Enable Media Card Disable Media Card Default Setting: All devices are enabled Table 5. Video Option Description LCD Brightness Allows you to set the display brightness depending up on the power source (On Battery and On AC). Table 6.
Option Description Default Setting: Enable Strong Password is not selected. Password Configuration You can define the length of your password. Min = 4 , Max = 32 Password Bypass Allows you tor disable the permission to bypass the System and the Internal HDD password, when they are set. The options are: • • Disabled (Default Setting) Reboot bypass Password Change Allows you to disable permission to the System and hard-drive passwords when the admin password is set.
• • db dbx If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear.
Option Description • USB Wake Support Allows you to enable the USB devices to wake the computer from standby mode. The option is disabled • Wireless Radio Control Select Days Enable USB Wake Support Allows you to control the WLAN and WWAN radio. The options are: • • Control WLAN radio Control WWAN radio Default Setting: Both the options are disabled. Wake on LAN/WLAN This option allows the computer to power up from the off state when triggered by a special LAN signal.
Option Description • Keypad (Embedded) Enable Adapter Warnings Allows you to enable the keypad to embed in the internal keyboard.. • • Fn Key Only By Numlock NOTE: When setup is running, this option has no effect, Setup works in the “Fn Key Only” mode. Mouse/Touchpad Allows you to define how the computer handles the mouse and touchpad input. The options are: • • • Numlock Enable Specifies if the NumLock function can be enabled when the computer boots. This option is enabled by default.
Option Description Trusted Execution This option specifies whether a Measured Virtual Machine Monitor (MVMM) can utilize the additional hardware capabilities provided by Intel Trusted Execution Technology. The TPM virtualization Technology, and Virtualization technology for direct I/O must be enabled to use this feature. Trusted Execution — disabled by default. Table 12. Wireless Option Description Wireless Switch Allows you to determine which wireless device can be controlled by the wireless switch.
Updating the BIOS 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 1 Re-start the computer. 2 Go to dell.com/support. 3 Enter the Service Tag or Express Service Code and click Submit. NOTE: To locate the Service Tag, click Where is my Service Tag? NOTE: If you cannot find your Service Tag, click Detect My Product.
The System Security screen appears. 2 In the System Security screen, verify that Password Status is Unlocked. 3 Select System Password , enter your system password, and press or . Use the following guidelines to assign the system password: • A password can have up to 32 characters. • The password can contain the numbers 0 through 9. • Only lower case letters are valid, upper case letters are not allowed.
5 Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
The following table lists how to read the LED codes when possible errors occur. Table 16. LED Lights Storage LED Power LED Wireless LED Fault Description Blinking Solid Solid A possible processor failure has occurred. Solid Blinking Solid The memory modules are detected but encountered an error. Blinking Blinking Blinking A system board failure has occurred. Blinking Blinking Solid A possible graphics card/video failure has occurred.
6 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. Table 17.
Feature Specification External Microphone-in, stereo headphones, and headset combo connector Speakers Two Internal speaker amplifier 2 W (RMS) per channel Volume controls Hot keys Table 21. Video Feature Specification Type Integrated on system board Controller: UMA Intel HD Graphics 5500 Discrete Nvidia GeForce 840M Graphics Data bus PCI-E Gen2 x4 External display support • • one HDMI one mDP NOTE: Support one VGA, two DP/DVI ports through Docking station. Table 22.
Features Specification • one mDP Network adapter RJ-45 connector USB 3.0 Three USB 3.0, one with PowerShare(Rear) Memory-card reader Supports upto SD4.0 Micro Subscriber Identity Module (uSIM) card One Docking port One Table 25. Display Feature Specification HD Type FHD FHD W/Touch Dimensions: Height 205.6 mm (8.09 inches) 205.6 mm (8.09 inches) 215.0 mm (8.46 inches) Width 320.9 mm (12.6 inches) 320.9 mm (12.6 inches) 328.8 mm (12.9 inches) Diagonal 3.0 mm (0.1 inch) 3.2 mm (0.
Feature Specification • Dimensions: 4-cell Lithium Polymer battery with ExpressCharge Latitude E7450 3–cell/4–cell Depth 74.75 mm (2.94 inches) Height 8.00 mm (0.31 inch) Width 308.50 mm (12.15 inches) Weight: 3-cell 247.00 g (0.54 lb) 4–cell 308.00 g (0.
Feature Latitude E7450 Non-Touch Depth 231.5 mm (9.1 inches) Weight (with 3-cell battery) 1.55 kg (3.42lb) Latitude E7450 Touch 1.71 kg (3.77lb) Light Weight Configurable Items: Weight Bound 1.61 kg (3.56lb) 1.80 kg (3.97lb) Weight Target 1.60 kg (3.54lb) 1.74 kg (3.84lb) Table 31.
7 Contacting Dell EMC NOTE: If you do not have an active internet connection, you can find the contact information on your purchase invoice, packing slip, bill, or in the product catalog. Dell EMC 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 EMC for sales, technical support, or customer service issues: Go to Dell.com/contactdell.