Bottom....................................9 Locate the Service Tag or Express Service Code label of your computer............9 Battery-charge status light............................. 10 Chapter 2: Set up your Dell 14 Plus DB14250................11 Chapter 3: Specifications of Dell 14 Plus DB14250................13 Dimensions and weight..............................13 Processor.....................................
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Recommended tools................................. 28 Screw list.....................................29 Major components of Dell 14 Plus DB14250....................... 29 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........32 Base cover..................................32 Removing the base cover............................32 Installing the base cover............................35 Battery....................................37 Rechargeable Li-ion battery precautions....................... 37 Removing the battery..............................38...
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Clearing CMOS settings..............................90 Clearing system and setup passwords..........................91 Chapter 9: Troubleshooting......................92 Handling swollen rechargeable Li-ion batteries......................92 Dell SupportAssist Pre-boot System Performance Check diagnostics..............92 Running the SupportAssist Pre-Boot System Performance Check..............93 Built-in self-test (BIST)..............................93 (Motherboard Built-In Self-Test) M-BIST......................93 Logical Built-in Self-test (L-BIST)..........................
Supports DisplayPort 2.1 and Thunderbolt 4; enables you to connect to an external display using a display adapter (sold separately). Provides a data transfer rate of up to 40 Gbps for Thunderbolt 4. NOTE: You can connect a Dell Docking Station to the Thunderbolt 4 ports. For more information, search in the Knowledge Base Resource at Dell Support Site.
Register your fingerprint as password in Windows settings. You can customize the power-button behavior in Windows. 2. Touchpad Move your finger on the touchpad to move the mouse pointer. Tap with a finger to left-click and tap with two fingers to right-click. Views of Dell 14 Plus DB14250...
Enables you to video chat, capture photos, and record videos. 6. Camera-status light Turns on when the camera is in use. 7. Right microphone Provides digital sound input for audio recording and voice calls. Views of Dell 14 Plus DB14250...
1. Speakers Provide audio output. 2. MyDell QR code MyDell is your hub for content personalized to your Dell 16 Plus DB16250, including videos, articles, manuals, and access to support. 3. Service Tag label The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your computer and access warranty information.
Figure 6. Service Tag/Express Service Code location Battery-charge status light The following table lists the battery-charge status light of your Dell 14 Plus DB14250. Table 1. Battery charge and status light behavior Power source LED behavior System power state Battery charge level...
● If connected to the Internet, sign in with an existing Microsoft account or create a new account. If not connected to the Internet, create an offline account. ● On the Support and Protection screen, enter your contact details. 3. Locate and use Dell apps from the Windows Start menu—Recommended. Set up your Dell 14 Plus DB14250...
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● Tune the performance, power consumption, cooling, and fan noise with selectable thermal modes. ● Download and redeem the apps that are purchased with your computer. For more information about configuring and using these features, search for the Dell Optimizer at Dell Support Site. View PDF SupportAssist Proactively checks the health of your computer’s hardware and software.
The weight of your computer depends on the ● Touch screen: 1.60 kg (3.53 lb) configuration that is offered. Processor The following tables list the details of the processors that are supported in your Dell 14 Plus DB14250. Specifications of Dell 14 Plus DB14250...
Intel Arc Graphic Intel Arc Graphic 130V 140V 140V 140V Chipset The following table lists the details of the chipset that is supported in your Dell 14 Plus DB14250. Table 5. Chipset Description Values Chipset Integrated in the processor Processor...
● 16 GB: 2 x 8 GB, LPDDR5x, 8533 MT/s, dual-channel ● 32 GB: 2 x 16 GB, LPDDR5x, 8533 MT/s, dual-channel External ports and slots The following table lists the external ports and slots on your Dell 14 Plus DB14250. Table 7. External ports and slots Description...
M.2 cards, search in the Knowledge Base Resource at Dell Support Site. Wireless module The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Dell 14 Plus DB14250. Table 9. Wireless module specifications Description Option one Option two...
Digital-array microphones in camera assembly Storage This section lists the storage options on your Dell 14 Plus DB14250. Your Dell 14 Plus DB14250 supports one M.2 2230 solid-state drive. The primary drive is the M.2 2230 solid-state drive. Table 11. Storage specifications Storage type...
Keyboard The following table lists the keyboard specifications of your Dell 14 Plus DB14250. Table 12. Keyboard specifications Description Values Keyboard type Standard Copilot key hotkey backlit keyboard Keyboard layout QWERTY Number of keys ● United States and Canada: 79 keys ●...
For example, if you press 2, 2 is displayed; if you press Shift and 2, @ is displayed. Camera The following table lists the camera specifications of your Dell 14 Plus DB14250. Table 15. Camera specifications Description...
For more information about the touchpad gestures available on Windows, see the Microsoft Knowledge Base article at Microsoft Support Site. Power adapter The following table lists the power adapter specifications of your Dell 14 Plus DB14250. Table 17. Power-adapter specifications Description Values Type...
Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components. Battery The following table lists the battery specifications of your Dell 14 Plus DB14250. Table 18. Battery specifications Description...
CAUTION: Dell Technologies recommends that you charge the battery regularly for optimal power consumption. Display The following table lists the display specifications of your Dell 14 Plus DB14250. Table 19. Display specifications Description Option 1 Option 2 Display type 14-inch, 2.5K...
Sensor resolution 500 dpi Sensor pixel size 108 mm x 88 mm GPU—Integrated The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Dell 14 Plus DB14250. Table 21. GPU—Integrated Controller Memory size Processor...
Operating and storage environment This table lists the operating and storage specifications of your Dell 14 Plus DB14250. Airborne contaminant level: G1 as defined by ISA-S71.04-1985 Table 23. Computer environment Description Operating Storage Temperature range 0°C to 40°C (32 °F to 104°F) –40°C to 65°C (–40°F to 149°F)
You should only perform troubleshooting and repairs as authorized or directed by the Dell technical support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that are shipped with the product or at Dell Regulatory Compliance Home Page.
Ensure that your computer is shut down and the power adapter is disconnected. a. Press and hold the B key and the power button for 3 seconds or until the Dell logo appears on the screen. b. Press any key to continue.
● Catastrophic – Catastrophic failures represent approximately 20 percent of ESD-related failures. The damage causes an immediate and complete loss of device functionality. An example of catastrophic failure is a memory module that has received a static shock and immediately generates a "No POST/No Video" symptom with a beep code that is emitted for missing or nonfunctional memory.
Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while servicing the computer. Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. After working inside your computer...
M2x4 Display assembly M2.5x4 I/O board M2x3 System board M2x1.8 Touchpad M2x2.5 Touchpad M1.6x1.5 Power button M2x3 Major components of Dell 14 Plus DB14250 The following image shows the major components of Dell 14 Plus DB14250. Working inside your computer...
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Figure 8. Image: Major components of Dell 14 Plus DB14250 1. Base cover 2. USB Type-C port bracket Working inside your computer...
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17. Power button with optional fingerprint reader NOTE: Dell provides a list of components and their part numbers for the original computer configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.
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 document may differ from your computer depending on the configuration you ordered. Base cover Removing the base cover Prerequisites...
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Figure 9. Removing the base cover Removing and installing Customer Replaceable Units (CRUs)
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Figure 10. Removing the base cover Figure 11. Disconnecting the battery cable Steps 1. Remove the five screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the two captive screws that secure the base cover to the palm-rest and keyboard assembly. 3.
Installing the base cover 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 base cover and provide a visual representation of the installation procedure. Figure 12.
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Figure 13. Installing the base cover Removing and installing Customer Replaceable Units (CRUs)
Figure 14. Installing the base cover NOTE: If you have disconnected the battery cable, ensure to connect the battery cable. To connect the battery cable, follow step 1 in the procedure. Steps 1. Connect the battery cable to the battery cable connector (BATT) on the system board. 2.
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a rechargeable Li-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See Contact Support at Dell Support Site.
4. Lift the battery off the palm-rest and keyboard assembly. Installing the battery 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 image indicates the location of the battery and provides a visual representation of the installation procedure.
Battery cable Removing the battery cable CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information, see step 7 in Before working inside your computer.
Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the battery cable and provides a visual representation of the installation procedure. Figure 18. Installing the battery cable Steps 1.
About this task NOTE: A M.2 solid state drive bracket for the M.2 2230 solid state drive is required. Do not install the M.2 2230 solid state drive without its M.2 solid state drive bracket. The following image indicates the location of the M.2 2230 solid state drive and provides a visual representation of the removal procedure.
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About this task NOTE: A M.2 solid state drive bracket for the M.2 2230 solid state drive is required. Do not install the M.2 2230 solid state drive without its M.2 solid state drive bracket. The following image indicates the location of the M.2 2230 solid state drive and provides a visual representation of the installation procedure.
2. Follow the procedure in After working inside your computer. Removing the fan Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information, see step 7 in Before working inside your computer.
About this task The following image indicates the location of the fan and provides a visual representation of the installation procedure. Figure 22. Installing the fan Steps 1. Place the fan on the palm-rest and keyboard assembly. 2. Align the screw holes of the fan with the screw holes on the palm-rest and keyboard assembly. 3.
Figure 23. Removing the wireless card Steps 1. Remove the screw (M2x3) that secures the wireless-card bracket to the system board. 2. Lift the wireless-card bracket off the wireless card. 3. Disconnect the antenna cables from the wireless card. 4. Lift the wireless card at an angle and slide the wireless card out from the wireless-card slot (WLAN) on the system board. Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
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Figure 24. Installing the wireless card Steps 1. Align the notch on the wireless card with the tab on the M.2 wireless-card slot (WLAN) on the system board. 2. Slide the wireless card into the wireless-card slot (WLAN) on the system board. 3.
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2. Follow the procedure in After working inside your computer. Removing and installing Customer Replaceable Units (CRUs)
To avoid any potential damage to the component or loss of data, ensure that an authorized service technician replaces the Field Replaceable Units (FRUs). CAUTION: Dell Technologies recommends that this set of repairs, if needed, to be conducted by trained technical repair specialists. CAUTION: As a reminder, your warranty does not cover damages that may occur during FRU repairs that are not authorized by Dell Technologies.
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Figure 25. Removing the display assembly 1 Figure 26. Removing the display assembly 2 Removing and installing Field Replaceable Units (FRUs)
Figure 27. Display assembly Steps 1. Peel the tape that secures the display-assembly cable to the latch on the system board. 2. Lift the latch and disconnect the infrared camera cable from the connector (CIR) on the system board. 3. Lift the latch and disconnect the display-assembly cable from the connector (LCD) on the system board. 4.
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Figure 28. Installing the display assembly 1 Figure 29. Installing the display assembly 2 Steps 1. Place the display assembly on a clean and flat surface with the display panel facing up. Removing and installing Field Replaceable Units (FRUs)
2. Align and place the palm-rest and keyboard assembly under the display hinges. 3. Close the left-display hinge and align the screw holes on the left-display hinge with the screw holes on the palm-rest and keyboard assembly. 4. Replace the two screws (M2.5x5) that secure the left display-assembly hinge to the palm-rest and keyboard assembly. 5.
Figure 30. Removing the I/O-board cable Steps 1. Lift the latch and disconnect the I/O-board cable from its connector (IOBD) on the system board. 2. Lift the latch and disconnect the I/O-board cable from its connector on the I/O board. 3.
Figure 31. Installing the I/O-board cable Steps 1. Place the I/O-board cable on the palm-rest and keyboard assembly. 2. Connect the I/O-board cable to its connector (IOBD) on the system board and close the latch. 3. Connect the I/O-board cable to its connector on the I/O board and close the latch. 4.
Figure 32. Removing the I/O board Steps 1. Remove the two screws (M2.5x4) that secure the display-assembly hinge to the palm-rest and keyboard assembly. 2. Pry open the display-assembly hinge to a 90-degree angle. 3. Lift the latch and disconnect the fingerprint-reader cable from the connector on the I/O board. NOTE: This step is applicable only to computers that are shipped with the optional power button with fingerprint reader.
Figure 33. Installing the I/O board Steps 1. Place the I/O board on the palm-rest and keyboard assembly. 2. Align the ports on the I/O board to the slots on the palm-rest and keyboard assembly. 3. Align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly. 4.
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4. Remove the wireless card. About this task NOTE: The wireless antennas are attached to the speakers as an assembly and cannot be separated for individual replacement. When the speakers or the wireless antennas need to be replaced, services will dispatch the speaker assembly as a single serviceable component.
NOTE: The antenna and cables are a part of the speaker assembly. Installing the speaker 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 NOTE: The wireless antennas are attached to the speakers as an assembly and cannot be separated for individual...
Steps 1. Using the alignment posts, place the left speaker and the right speaker on the palm-rest and keyboard assembly. NOTE: Ensure that the four rubber grommets are seated into the slot and installed correctly on the speakers. 2. Route the speaker assembly cables through the routing guides on the palm-rest and keyboard assembly. 3.
Figure 36. Removing the heat sink Steps 1. In reverse sequential order (4, 3, 2, 1), loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink CAUTION: The information in this section is intended for authorized service technicians only.
Figure 37. Installing the heat sink Steps 1. Place the heat sink on the system board. 2. Align the captive screws on the heat sink to the screw holes on the system board. 3. In sequential order (1, 2, 3, 4), tighten the four captive screws that secure the heat sink to the system board. Next steps 1.
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About this task The following image indicates the connectors and M.2 card slot on your system board. Figure 38. System board callouts 1. Fan cable connector (FAN) 2. Infrared camera cable connector (CIR) 3. Display-assembly cable connector (LCD) 4. M.2 solid state drive slot 5.
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Figure 39. Removing the system board Figure 40. Removing the system board Removing and installing Field Replaceable Units (FRUs)
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Figure 41. Removing the system board NOTE: The image shows the system board with the heat sink removed. Steps 1. Peel the tape that secures the display-assembly cable to the latch on the system board. 2. Remove the three screws (M2.5x4) that secure the display-assembly hinge to the system board. 3.
Figure 42. Removing the system board without damaging it Installing the system board 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 NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure...
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Figure 44. Installing the system board Removing and installing Field Replaceable Units (FRUs)
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Figure 45. Installing the system board Figure 46. Installing the system board Steps 1. Position the system board at an angle to the palm-rest and keyboard assembly. Removing and installing Field Replaceable Units (FRUs)
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Figure 47. Installing the system board without damaging it 2. Align the positioning pin on the system board with the hole on the palm-rest and keyboard assembly. 3. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 4.
NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved. 3. Install the wireless card. 4. Install the M.2 2230 solid-state drive.
Installing the power button 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 NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure thermal conductivity.
Power button with optional fingerprint reader Removing the power button with fingerprint 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. NOTE: Ensure that your computer is in Service Mode. For more information, see step 7 in Before working inside your computer.
Installing the power button with fingerprint reader 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 NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure thermal conductivity.
Touchpad Removing the touchpad CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information, see step 7 in Before working inside your computer.
Figure 52. Removing the touchpad Steps 1. Pry open the touchpad cable connector latch and disconnect the touchpad cable from the touchpad cable connector (TP) on the system board. 2. Pry open the touchpad cable connector latch and disconnect the touchpad cable from the touchpad cable connector on the touchpad.
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If you are replacing a component, remove the existing component before performing the installation process. About this task The following image indicates the location of the touchpad and provides a visual representation of the installation procedure. Figure 53. Installing the touchpad Steps 1.
2. Install the base cover. 3. Follow the procedure in After working inside your computer. Palm-rest and keyboard assembly Removing the palm-rest and keyboard assembly CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer.
Figure 54. Palm-rest and keyboard assembly Steps After performing the steps in Prerequisites, you are left with the palm-rest and keyboard assembly. NOTE: The palm-rest and keyboard assembly consists of the following: ● Palm rest ● Keyboard Installing the palm-rest and keyboard assembly CAUTION: The information in this section is intended for authorized service technicians only.
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Figure 55. Palm-rest and keyboard assembly Steps Place the palm-rest and keyboard assembly on a flat and clean surface and perform the tasks in the Post-requisites to install the palm-rest and keyboard assembly. NOTE: The palm-rest and keyboard assembly consists of the following: ●...
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11. Install the M.2 2230 solid-state drive. 12. Install the battery cable. 13. Install the battery. 14. Install the base cover. 15. Follow the procedure in After working inside your computer. Removing and installing Field Replaceable Units (FRUs)
● Windows 11 Pro ● Windows 11 Pro National Education ● Windows 11 Home Drivers and downloads When troubleshooting, downloading, or installing drivers, it is recommended that you read the Dell Knowledge Base article Drivers and Downloads FAQs 000123347. Software...
BIOS Setup NOTE: Depending on the computer and the installed devices, the options that are listed in this section may or may not be displayed. CAUTION: Certain changes can make your computer work incorrectly. Before you change the settings in BIOS Setup, it is recommended that you note down the original settings for future reference.
Depending on this computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 27. System setup options—Overview menu Overview Dell 16 Plus DB16250 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
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Table 27. System setup options—Overview menu (continued) Overview Native Resolution Displays the native resolution of the computer. Video BIOS Version Displays the video BIOS version of the computer. Audio Controller Displays the audio controller information of the computer. Bluetooth® Device Displays whether a Bluetooth device is installed in the computer. Table 28.
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Security Absolute® Absolute Software provides various cyber security solutions, some requiring software preloaded on Dell computers and integrated into the BIOS. To use these features, you must enable the Absolute BIOS setting and contact Absolute for configuration and activation. By default, the Enable Absolute option is enabled.
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Table 34. System setup options—Update,Recovery menu (continued) Update,Recovery Dell Auto OS Recovery Threshold, and local Service does not boot, or is not installed. Default: ON Dell Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery tool.
Updating the BIOS in Windows Steps 1. Go to Dell Support Site. 2. Go to Identify your product or search support. In the box, enter the product identifier, model, service request or describe what you are looking for, and then click Search.
● USB drive formatted to the FAT32 file system (the drive does not have to be bootable) ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter must be connected to the computer ●...
You can create a system password and a setup password to secure your computer. NOTE: The System and setup password feature is disabled by default. Assigning a System Setup password Prerequisites You can assign a new System or Admin Password only when the status is set to Not Set. To enter BIOS System Setup, press F2 immediately after a power-on or reboot.
Clearing system and setup passwords About this task To clear the system or setup passwords, contact Dell technical support as described at Contact Support. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application.
● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
Dell Support Site. 4. If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell. Built-in self-test (BIST) (Motherboard Built-In Self-Test) M-BIST M-BIST is the system board built-in self-test diagnostics tool that improves the diagnostics accuracy of system board Embedded Controller (EC) failures.
LCD Built-in Self-Test (LCD-BIST) Dell laptops 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 or with the video card (GPU) and computer settings.
● Off—Caps Lock disabled. Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell SupportAssist OS Recovery. Dell SupportAssist OS Recovery is a stand-alone tool that is preinstalled in Dell computers running the Windows operating system.
It enables you to diagnose hardware issues, repair your computer, back up your files, and restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into the primary operating system due to software or hardware failures.
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NOTE: For more information about performing a hard reset, go to Dell Support Site. On the menu bar at the top of the Support page, select Support > Support Library. In the Search field on the Support Library page, type the keyword, topic, or model number, and then click or tap the search icon to view the related articles.
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 42. Self-help resources Self-help resources Resource location Information about Dell products and services Dell Site Dell Optimizer...
Contacting Dell To contact Dell for sales, technical support, or customer service issues, see Contact Support at Dell Support Site. NOTE: Availability of the services may vary depending on the country or region, and product. NOTE: If you do not have an active Internet connection, you can find contact information in your purchase invoice, packing slip, bill, or Dell product catalog.
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