Dell 8GHCF - User Manual

Front 1. Left microphone Provides digital sound input for audio recording and voice calls. 2. Infrared emitter (optional) Emits infrared light, which enables the infrared camera to sense and track motion. 3. Infrared camera (optional) Enhances security when paired with Windows Hello face authenticat...

Back 1. Nano-SIM card slot (optional) Insert a nano-SIM card to connect to a mobile broadband network. NOTE: Availability of the nano-SIM card slot depends on the region and configuration ordered. Bottom 1. Speakers Provide audio output. 2. Service Tag label The Service Tag is a unique alphanumeric ...

Specifications of Latitude 5540 Dimensions and weight The following table lists the height, width, depth, and weight of your Latitude 5540. Table 3. Dimensions and weight  Description Values Height: Front height 20.80 mm (0.82 in.) Rear height 22.80 mm (0.90 in.) Width 357.80 mm (14.09 in.) Depth 23...

Chipset The following table lists the details of the chipset supported by your Latitude 5540. Table 5. Chipset  Description Values Chipset Integrated in the processor Processor 13 th Generation Intel Core i3/i5/i7 DRAM bus width 64-bit Flash EPROM 32 MB for non-vPro, 32 MB + 16 MB for vPro/vPro Esse...

Table 6. Memory specifications (continued) Description Values ● 16 GB, 2 x 8 GB, DDR5, 4800 MT/s, dual-channel ● 16 GB, 1 x 16 GB, DDR5, 4800 MT/s, single-channel ● 32 GB, 2 x 16 GB, DDR5, 4800 MT/s, dual-channel ● 64 GB, 2 x 32 GB, DDR5, 4800 MT/s, dual-channel External ports The following table li...

Ethernet The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Latitude 5540. Table 9. Ethernet specifications  Description Values Model number Intel I219-V/Intel I219-LM Transfer rate 10/100/1000 Mbps Wireless module The following table lists the Wireless Loca...

Audio The following table lists the audio specifications of your Latitude 5540. Table 12. Audio specifications  Description Values Audio controller Realtek Waves, MaxxAudio 12.0 Stereo conversion Supported Internal audio interface High definition audio interface External audio interface Universal Au...

Media-card reader The following table lists the media-card reader specifications of your Latitude 5540. Table 14. Media-card reader (standard offering)  Media supported (Maximum capacity supported will vary by Flash Media Types) Media Supported Micro Secure Digital (mSD) Micro Secure Digital High Ca...

NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys that are used for tasks remain the same, regardless of the keyboard language. NOTE: You can define the primary behavior of function keys in the Function Key Behavior menu of the BIOS setup program. Table 16. ...

Table 17. Camera specifications (continued) Description Values Still image 2.07 megapixel Video 1920 x 1080 (FHD) at 30 fps Infrared camera resolution: Still image 0.23 megapixels Video 640 x 360 at 30 fps Diagonal viewing angle: Camera 80 degrees Infrared camera 86.6 degrees Touchpad The following ...

Table 19. Power adapter specifications (continued) Description Option one Option two Option three Input frequency 50 Hz–60 Hz 50 Hz–60 Hz 50 Hz–60 Hz Input current(maximum) 1.70 A 1.70 A 1.70 A Output current(continuous) ● 20 V/3 A (Continuous) ● 15 V/3 A (Continuous) ● 9 V/3 A (Continuous) ● 5 V/3 ...

Table 20. Battery specifications (continued) Description Option one Option two Option three Option four is 20 minsfor AcceleratedCharge Coin-cell battery CR2032 CR2032 CR2032 CR2032 CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outs...

Table 21. Display specifications (continued) Description Option one Option two Option three Vertical view angle 80 +/- degrees 80 +/- degrees 80 +/- degrees Pixel pitch 0.179 x 0.179 mm 0.179 x 0.179 mm 0.179 x 0.179 mm Power consumption(maximum) 4.60 W 4.60 W 4.50 W Anti-glare vs glossy finish Anti...

GPU—Discrete The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Latitude 5540. Table 25. GPU—Discrete  Controller Memory size Memory type NVIDIA GeForce MX550 2 GB GDDR6 External display support The following table lists the external display...

Smart-card reader Contactless smart-card reader This section lists the contactless smart-card reader specifications of your Latitude 5540. Table 28. Contactless smart-card reader specifications  Title Description Dell ControlVault 3 contactless smart-card reader with NFC Felica Card Support Reader a...

Table 29. Supported cards (continued) Manufacturer Card 1430 1L DESFire D8H iClass (Legacy) iClass SEOS NXP/Mifare Mifare DESFire 8K White PVC Cards Mifare Classic 1K White PVC Cards NXP Mifare Classic S50 ISO Card G&D idOnDemand - SCE3.2 144K SCE6.0 FIPS 80K Dual+ 1 K Mifare SCE6.0 nonFIPS 80K ...

Table 30. Contacted smart-card reader specifications (continued) Title Description Dell ControlVault 3 smart-card reader readers into personal computerenvironments CCID driver compliance Common driver support for IntegratedCircuit Card Interface Device for OSlevel drivers. Yes Windows Certified Devi...

To reduce the risk of eye strain, it is also recommended that you: ● Position the display at a comfortable viewing distance between 20 and 28 inches (50 and 70 cm) from your eyes. ● Blink frequently to moisten your eyes, wet your eyes with water, or apply suitable eye drops. ● Look away from your di...

Working inside your computer Safety instructions Use 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 you have read the safety information that shippedwith y...

5. Remove any media card and optical disk from your computer, if applicable.6. Enter the service mode, if you are able to power on your computer. Service Mode Service Mode is used to cut-off power, without disconnecting battery cable from system board prior conducting repairs inthe computer. CAUTION...

Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher thanin previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable. Two recognized types of ESD damage are catastrophic...

● ESD Packaging – All ESD-sensitive devices must be shipped and received in static-safe packaging. Metal, static-shielded bags are preferred. However, you should always return the damaged part using the same ESD bag and packaging that thenew part arrived in. The ESD bag should be folded over and tap...

Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type isrestored when the component is replaced. NOTE: Some compu...

Table 32. Screw list (continued) Component Screw type Quantity Screw image Smart-card reader M2x2 2 Major components of Latitude 5540 The following image shows the major components of Latitude 5540. Working inside your computer 41

Removing and installing Customer Replaceable Units (CRUs) The replaceable components in this chapter are Customer Replaceable Units (CRUs). CAUTION: Customers can replace only the Customer Replaceable Units (CRUs) following the safety precautions and replacement procedures. NOTE: The images in this ...

About this task Steps 1. Insert a pin into the release hole to release the SIM card tray.2. Push the pin to disengage the lock, and eject the SIM card tray.3. Slide the SIM card tray out of the slot on the computer.4. Align and place the SIM card in the dedicated slot on the SIM card tray, with the ...

Steps 1. Loosen the eight captive screws that secure the base cover to the palm-rest assembly.2. Using a plastic scribe, pry open the base cover from the recesses located in the U-shaped indents at the top edge of the base cover near the hinges. 3. Lift the base cover off the keyboard and palm-rest ...

Wireless card Removing the WLAN card Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the base cover . About this task The following image(s) indicate the location of the WLAN card and provides a visual representation of the removal procedure. Steps 1. Loosen ...

Installing the WLAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indicate the location of the WLAN card and provides a visual representation of the installation procedure. Steps 1...

Steps 1. Connect the antenna cables to the 5G WWAN card. The following table provides the antenna-cable color scheme for the 5G WWAN card that is supported by your computer. Table 35. Antenna-cable color scheme  Connectors on the WWAN card Antenna-cable color Silkscreen marking D/G Black with a thin...

Steps 1. Using your fingertips, spread apart the securing clips on the memory-module slot until the memory module pops up.2. Slide and remove the memory module from the memory-module slot on the system board. NOTE: Repeat step 1 and step 2 if there are more than one memory module installed on your c...

Steps 1. Align the notch on the memory module with the tab on the memory-module slot.2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. Next steps 1. I...

Steps 1. Remove the two screws (M2x3) that secure the solid-state drive thermal shield to the palm-rest assembly.2. Lift the solid-state drive thermal shield off the palm-rest assembly.3. Remove the screw (M2x3) that secures the M.2 2230 solid-state drive to the solid-state drive bracket and palm-re...

Removing the M.2 2280 solid-state drive from Slot 1 Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the SIM card . 3. Remove the base cover . About this task The following image(s) indicate the location of the M.2 2280 solid-state drive in Slot 1 and provides...

Installing the M.2 2280 solid-state drive in Slot 1 Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indicate the location of the M.2 2280 solid-state drive in Slot 1 and provides a visual...

Next steps 1. Install the base cover . 2. Install the SIM card . 3. Follow the procedure in After working inside your computer . Removing the M.2 2230 solid-state drive from Slot 2 Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the SIM card . 3. Remove the b...

2. Slide and lift the M.2 2230 solid-state drive off the solid-state drive slot. Installing the M.2 2230 solid-state drive in Slot 2 Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indica...

2. Install the SIM card . 3. Follow the procedure in After working inside your computer . Fan Removing the fan CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the SI...

Removing and installing Field Replaceable Units (FRUs) The replaceable components in this chapter are Field Replaceable Units (FRUs). CAUTION: The information in this section is intended for authorized service technicians only. CAUTION: To avoid any potential damage to the component or loss of data,...

Steps 1. Disconnect the battery cable from the system board (if not disconnected earlier).2. Loosen the five captive screws that secure the battery to the palm-rest assembly.3. Lift the battery off the palm-rest assembly.4. Flip the battery and peel the tape that adheres the battery cable to the bat...

Assembly inner frame Removing the assembly-inner frame CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the SIM card . 3. Remove the base cover . 4. Remove the batter...

Figure 2. Inner frame removal Steps 1. Remove the antenna cables from the routing guides on the palm-rest assembly.2. Disconnect the speaker cable from the system board.3. Remove the speaker cables from the routing guides on the palm-rest assembly.4. Remove the twelve screws (M2x3) that secure the a...

Steps 1. Align the screw holes on the assembly-inner frame with the screw holes on the system board and the palm-rest assembly.2. Replace the twelve screws (M2x3) that secure the assembly-inner frame to the palm-rest assembly.3. Connect the speaker cable to the system board.4. Route the speaker cabl...

About this task The following images indicate the location of the speakers and provide a visual representation of the removal procedure. Steps 1. Disconnect the speaker cable from the system board.2. Remove the speaker cables from the routing guides on the palm-rest assembly.3. Lift the right and le...

Steps 1. Using the alignment posts, place the left and right speakers into their slots on the palm-rest assembly.2. Route the speaker cable through the routing guides on the palm-rest assembly.3. Connect the speaker cable to the system board. Next steps 1. Install the base cover . 2. Install the SIM...

Steps 1. Disconnect the coin-cell battery cable from the system board.2. Peel the coin-cell battery, along with its cable, off the palm-rest assembly. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation pro...

Steps 1. Adhere the coin-cell battery on to the coin-cell battery slot on the palm-rest assembly.2. Connect the coin-cell battery cable to the connector on the system board. Next steps 1. Install the assembly-inner frame . 2. Install the battery . 3. Install the base cover . 4. Install the SIM card ...

Steps 1. Loosen the four captive screws that secure the heat sink to the system board. NOTE: Loosen the captive screws in the reverse sequential order mentioned on the heat sink [4 > 3 > 2 > 1]. NOTE: The number of screws varies depending on the configuration ordered. 2. Remove the screw (M...

Steps 1. Place the heat sink on the system board.2. Tighten the four captive screws that secure the heat sink to the system board. NOTE: Tighten the captive screws in the sequential order mentioned on the heat sink [1 > 2 > 3 > 4]. NOTE: The number of screws varies depending on the configur...

6. Disconnect the sensor board-cable from the connector on the system board.7. Disconnect the display cable from the connector on the system board.8. Remove the display cable from the routing guides on the system board.9. Disconnect the fan cable from the connector on the system board.10. Open the l...

Next steps 1. Install the assembly-inner frame . 2. Install the battery . 3. Install the heat sink (discrete GPU) or heat sink (integrated GPU) , as applicable. 4. Install the M.2 2230 solid-state drive in Slot 2 , if applicable. 5. Install the M.2 2230 or M.2 2280 solid-state drive in Slot 1, as ap...

Steps 1. Remove the two (M2x2.5) screws that secure the power button to the palm-rest assembly.2. Lift the power button off the palm-rest assembly. Installing the power button CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are repla...

Steps 1. Align and place the power button on the palm-rest assembly.2. Replace the two (M2x2.5) screws to secure the power button to the palm-rest assembly. Next steps 1. Install the system board . 2. Install the assembly-inner frame . 3. Install the heat sink (discrete GPU) or heat sink (integrated...

5. Remove the 4G WWAN card or 5G WWAN card , as applicable. 6. Remove the WLAN card . 7. Remove the memory modules . 8. Remove the M.2 2230 or M.2 2280 solid-state drive from Slot 1, as applicable. 9. Remove the M.2 2230 solid-state drive from Slot 2 , if applicable. 10. Remove the heat sink (discre...

Steps 1. Align and place the power button on the palm-rest assembly.2. Replace the two (M2x2.5) screws to secure the power button to the palm-rest assembly. Next steps 1. Install the system board . 2. Install the assembly-inner frame . 3. Install the heat sink (discrete GPU) or heat sink (integrated...

Steps 1. Open the latch and disconnect the keyboard cable from the touchpad.2. Open the latch and disconnect the keyboard-backlight cable from the touchpad.3. Remove the twenty one screws (M2x2) that secure the keyboard bracket to the palm-rest assembly.4. Lift the keyboard bracket off the palm-rest...

2. Replace the ten screws (M2x2) to secure the keyboard to the keyboard bracket.3. Turn the keyboard bracket over.4. Align and place the keyboard bracket on the palm-rest assembly.5. Replace the twenty one screws (M2x2) that secure the keyboard bracket to the palm-rest assembly.6. Connect the keyboa...

Installing the display assembly CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the lo...

Display bezel Removing the display bezel CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the SIM card . 3. Remove the base cover . 4. Remove the 4G WWAN card or 5G W...

Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the location of the display bezel and provide a visual representation of the installation procedure. Steps 1. Align and place the di...

Installing the display panel CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the locat...

Camera module Removing the camera module CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the SIM card . 3. Remove the base cover . 4. Remove the 4G WWAN card or 5G W...

Steps 1. Peel the tape that secures the camera cable to the to the display back cover.2. Disconnect the camera cable from the camera.3. Carefully pry up the camera module starting from the prying point at the bottom edge of the camera module.4. Lift the camera module from the display back cover. Ins...

Steps 1. Align and place the camera module into the slot on the display back cover.2. Connect the camera module cable to the connector on the camera module.3. Adhere the tape to secure the camera cable to the camera. Next steps 1. Install the display panel . 2. Install the display bezel . 3. Install...

Steps 1. Remove the screw (M2.5x3.5) that secures the right hinge to the display back cover.2. Lift and remove the right hinge from the display back cover.3. Remove the screw (M2.5x3.5) that secures the left hinge to the display back cover.4. Lift and remove the left hinge from the display back cove...

Steps 1. Align the screw hole on the left hinge with the screw hole on the display back cover.2. Replace the screw (M2.5x3.5) that secures the left hinge to the display back cover.3. Align the screw hole on the right hinge with the screw hole on the display back cover.4. Replace the screw (M2.5x3.5)...

7. Remove the display bezel . 8. Remove the display panel . About this task The following images indicate the location of the display back cover and provide a visual representation of the removalprocedure. Steps After performing the steps in the pre-requisites, we are left with the display back cove...

Steps Place the display back cover on a flat surface. Next steps 1. Install the display panel . 2. Install the display bezel . 3. Install the display assembly . 4. Install the WLAN card . 5. Install the 4G WWAN card or 5G WWAN card , as applicable. 6. Install the base cover . 7. Install the SIM card...

About this task The following images indicate the location of the display cable and provide a visual representation of the removal procedure. Steps 1. Peel the tape that secures the display cable to the display back cover.2. Disconnect the display cable from the camera module.3. Peel the display cab...

Steps 1. Connect the display cable to the connector on the camera.2. Adhere the display cable to the display back cover.3. Adhere the tape that secures the display cable to the display back cover. Next steps 1. Install the display panel . 2. Install the display bezel . 3. Install the display assembl...

7. Remove the display bezel . 8. Remove the display panel . About this task The following images indicate the location of the sensor board and provide a visual representation of the removal procedure. Steps 1. Remove the sensor-board cable from the routing guides on the display back cover.2. Lift th...

Steps 1. Place the sensor board on its slot on the display back cover.2. Route the sensor-board cable through the routing guides on the display back cover. Next steps 1. Install the display panel . 2. Install the display bezel . 3. Install the display assembly . 4. Install the WLAN card . 5. Install...

About this task The following image(s) indicate the location of the fingerprint reader and provides a visual representation of the removalprocedure. Steps 1. Lift the latch and disconnect the fingerprint-reader cable from the connector on the USH board.2. Move the fingerprint-reader cable away from ...

Smart-card reader Removing the smart-card reader CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer . 2. Remove the SIM card . 3. Remove the base cover . 4. Remove the battery . 5....

About this task The following images indicate the location of the smart card reader and provide a visual representation of the installationprocedure. Steps 1. Align and place the smart-card reader on its slot on the palm-rest assembly.2. Replace the two screws (M2x2) that adheres the smart-card read...

10. Remove the assembly-inner frame . 11. Remove the system board . NOTE: The system board can be removed with the heat sink attached in order to simplify the procedure and preserve the thermal bond between the system board and heat sink. 12. Remove the display assembly . 13. Remove the smart-card r...

Steps 1. Place the dummy SIM-card slot filler into its compartment on the palm rest. NOTE: Ensure that the dummy SIM-card slot filler is aligned with the ribs on the palm-rest assembly. 2. Press the dummy SIM-card slot filler until it clicks into place and ensure it fits securely into the SIM card s...

Steps After performing the steps in the pre-requisites, we are left with the palm-rest assembly. Installing the palm-rest assembly CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing compone...

Software This chapter details the supported operating systems along with instructions on how to install the drivers. Operating system Your Latitude 5540 supports the following operating systems: ● Windows 11 Home, 64-bit ● Windows 11 Pro, 64-bit ● Windows 11 Pro downgrade (Win 10 Pro image FI + Win ...

BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Be...

The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu optionsare: ● Removable Drive (if available) ● STXXXX Drive (if available) NOTE: XXX denotes the SATA drive number. ● Optical Drive (if available) ● SATA Hard Drive (if available) ● Diag...

Updating the BIOS Updating the BIOS in Windows About this task CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and thesystem will ask for this...

Updating the BIOS from the F12 One-Time boot menu Update your computer BIOS using the BIOS update.exe file that is copied to a FAT32 USB drive and booting from the F12One-Time boot menu. About this task CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the sys...

Clearing CMOS settings About this task CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer. Steps 1. Remove the base cover . 2. Disconnect the battery cable from the system board.3. Remove the coin-cell battery . 4. Wait for one minute.5. Replace the coin-cell battery . 6. ...

Dell SupportAssist Pre-boot System PerformanceCheck diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The DellSupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by th...

Table 54. LED error codes  Blinking Pattern Possible Problem Amber White 2 1 CPU Failure 2 8 LCD Power Rail Failure 1 1 TPM Detection Failure 2 4 Memory/RAM failure 4. If there is no failure with the system board, the LCD will cycle through the solid color screens described in the LCD-BIST section f...

System-diagnostic lights Power and battery-status light The power and battery-status light indicates the power and battery status of the computer. These are the power states: Solid white: Power adapter is connected and the battery has more than 5% charge. Amber: Computer is running on battery and th...

Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts DellSupportAssist OS Recovery. Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows oper...

Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 56. Self-help resources  Self-help resources Resource location Information about Dell products and services www.dell.com Tips Contact Support In ...