Dell Pro 24 All-in-One QC24251

The following article provides information about how to resolve the rare occasions when Windows Out of box experience (OOBE) fails. This is seen when you start the out of box setup on your Dell computer.

Learn how to troubleshoot and resolve a CD, DVD, or Blu-ray drive not writing or recording data to a disk. Find information to diagnose and resolve issues if your CD, DVD, or Blu-ray drive is not able to write, burn, record to a disk.

Learn how to troubleshoot issues with your CD, DVD, or Blu-ray drive on Dell desktops and laptops. Follow these steps to resolve problems with unrecognized or unreadable disks.

See the section that matches the code you received, and follow the instructions listed in the Next Steps column. The 2000-8NNN informative messages below are unlikely to be displayed unless they deal with removable devices or media.

Your Dell computer does not fully go into sleep mode? Learn how to fix Dell computers that do not go to sleep by updating BIOS, drivers, adjusting settings, and more for Windows 11.

The article describes the process required to uninstall Dell Client Agent (DCA) Enabler in a Dell system with the Ubuntu 24.04 for Managed Clients operating system.

How to run Dell Preboot diagnostics to identify hardware issues on your Dell computer. Learn instructions on using Dell onboard diagnostics, performing in-depth tests, and troubleshooting with Dell diagnostics boot options.

Dell Client Platform BIOS remediation is available for a Weak Password Recovery Mechanism Vulnerability that could be exploited by malicious users to compromise the affected system.

Dell ThinOS 10 remediation is available for multiple vulnerabilities that could be exploited by malicious users to compromise the affected system.

Dell Windows 10 IoT Enterprise LTSC 2021, Dell Windows 11 IoT Enterprise LTSC 2024 remediation is available for multiple vulnerabilities that could be exploited by malicious users to compromise the affected system.

If you cannot find exactly what you are looking for, our Trade In-related Frequently Asked Questions can help.

How to troubleshoot and resolve no sound or audio playback issues on your Dell computer. Follow our guide for common sound problems, such as low volume, distorted audio, and missing devices.

Learn about how to locate the Dell Pro Keyboard and Mouse KM5221W USB dongle by following these step-by-step instructions.

The following article provides information about a failure of the Dell Pro Premium Collaboration keyboard to connect or detect the Radio Frequency (RF) Dongle.

This article provides information about basic safety precautions that everyone must take before accessing the internals of a computer or electrical equipment. Find information about how to protect against electrostatic discharge (ESD), prevent electrostatic damage to the components, and take safety precautions when lifting electronic equipment.

Privacy settings for camera and microphone in Windows 11 or Windows 10 might prevent apps and websites from using them. Learn how to change the settings.

Dell Client Platform remediation is available for multiple vulnerabilities in Intel NPU Driver that could be exploited by malicious users to compromise the affected system.

Learn what a Customer Self-Replaceable (CSR) or Customer Replaceable Unit (CRU) is and guidance on how to replace these parts.

How to use the Print Screen (PrtScr) key in Windows to take screenshots of the whole screen or only the active window. It explains shortcuts like Windows + PrtScr, Alt + PrtScr, Fn key combinations, where your screenshots are saved, and how the keys may look different on Dell keyboards.

Dell Client Platform remediation is available for AMD Graphics Driver vulnerabilities that could be exploited by malicious users to compromise the affected system.

Learn about the No Post error with three-amber and six-white LED blinking on a Dell Pro desktop.

This article discusses the End of Life and End of Support dates for Dell Digital Delivery and Alienware Digital Delivery, as well as options to migrate to other software delivery tools.

Dell Client Platform remediation is available for AMD Graphics Driver vulnerabilities that could be exploited by malicious users to compromise the affected system.

Find the right guide for connecting your Dell computer to a TV, monitor, or projector based on your device type and setup needs.

Create a Windows 10 recovery media for your Dell computer. This guide covers using a Windows recovery disk or USB to restore Windows if there are system issues. Essential for reinstallation and troubleshooting on Dell PCs

What HDMI version does your Dell have? Which cable supports 4K? How to fix no display? Get answers about HDMI ports, versions, and troubleshooting.

See the step-by-step instructions on how to download and fill out the Bulk Ownership Transfer form.

Learn how to activate Trusted Platform Module (TPM) 2.0 on your Dell personal computer for enhanced security features like BitLocker, Secure Boot, and Windows Hello. This article supports Windows 11, Windows 10, and Windows 8(8.1).

This article describes the TPM firmware update process.

This article provides quick answers to common questions about Dell drivers. For detailed guides, we have dedicated pages to help you with specific driver tasks.

How to convert a disk to GPT format using a Windows installation DVD or USB, Windows Disk Management or MBR2GPT.exe.

How to create a bootable USB flash drive for BIOS updates, operating system installations, and non-booting computers using the Dell Diagnostic Deployment Package (DDDP).

Learn how to create a new My Account and import your customer and order numbers if you have lost or forgotten your My Account email address.

Got an Unknown Device with a yellow exclamation mark in Device Manager? Follow our simple steps to identify the device and install the correct driver.

This article provides information about how to download and install or update Dell drivers for your Dell desktop, laptop, all-in-one, workstation, printer, monitor, tablets, and so on.

Learn how to subscribe to email alerts for Dell driver updates. Get notified when new drivers are available for your Dell computer. Easy setup and management.

Learn how to roll back a device driver to a previous version on Dell computers running Windows. Restore stability by following these simple steps to resolve driver conflicts or issues after an update.

Dell Client Platform remediation is available for multiple OpenSSL vulnerabilities within AMI BIOS that could be exploited by malicious users to compromise the affected system.

This article provides information about Windows blue screen issue with "INACCEESSIBLE_BOOT_DEVICE (0X7B)" error code.

This article discusses how to download and install Foxit PDF Editor (formerly Foxit PhantomPDF) that is sold on Dell computers.

The following article provides information about issues with low virtual memory when multiple computers on the same network duplicate naming. Naming such as identical Network BIOS (NetBIOS) and Domain Name Server (DNS) Hostnames.

Dell Windows 10 IoT Enterprise LTSC 2021, Dell Windows 11 IoT Enterprise LTSC 2024 remediation is available for multiple Cisco Jabber Softphone for VDI Client vulnerabilities that could be exploited by malicious users to compromise the affected system.

Dell Client Platform remediation is available for multiple MediaTek Wi-Fi and Bluetooth Driver vulnerabilities that could be exploited by malicious users to compromise the affected system.

Dell Client Platform remediation is available for multiple vulnerabilities in Intel Graphics Software that could be exploited by malicious users to compromise the affected system.

Secure your digital life with ease - learn how to install McAfee+ Premium for unparalleled online protection. Click for a step-by-step guide!

When using the Intel Ethernet Connection I219-LM adapter, intermittent disconnection or unstable network issues may occur.

This article provides information about Dell desktops restarting automatically after modifying the Watchdog Timer support in BIOS.

This article provides information about accessing and using Purchased Apps in Dell Optimizer (DO) version 6.x.

Learn about the impact of KB5025885 on Windows Updates after May 09, 2023 that may prevent the booting of Microsoft Windows. Potential workarounds are also provided.

Dell Client Platform remediation is available for multiple vulnerabilities in Intel PROSet/Wireless Wi-Fi Software that could be exploited by malicious users to compromise the affected system.

Help with work order status, Service Request status, warranty status, how to diagnose computer hardware issues and how to setup a repair when needed. And getting information about our automated support tools, shipping, delivery, and accidental damage coverage.

Dell ThinOS 10 remediation is available for multiple vulnerabilities that could be exploited by malicious users to compromise the affected system.

BitLocker may not enable after a Hard Drive replacement.

This article is a guide to resolving the error 2000-0251 when launching the ePSA diagnostics on a Dell computer.

This article provides troubleshooting steps to resolve issues with sleep or hibernation mode on a Dell desktop or laptop running on Windows 11.

The following article provides information about what to do when SQL Server cannot be installed on an SSD. It reports an error of "Unable to install SQL Server" with an exit code of 2061893606.

See the information concerning issues and questions that you might have with the motherboard in your computer.

This article provides information about how to identify and resolve issues with RAID on a Dell computer.

Learn why SupportAssist Consumer version 4.10.1 and 4.10.5 cannot open successfully and recommend restarting the computer.

New Chrome and Edge browser updates restrict local network access by default, impacting experiences on dell.com/support. Learn how to restore functionality by adjusting browser permissions.

Windows Hello is a more personal way to sign in to your Windows 11 and Windows 10 devices with a look or a touch. You get enterprise-grade security without having to type in a password.

The keyboard does not respond, and the keyboard clicks when typing in Windows 11 or Windows 10. This is a result of accidentally enabling Filter Keys.

Learn how to restore the Microsoft Windows taskbar and Start menu if they are missing from the screen.

Learn how to locate and use your BitLocker recovery key to unlock a Windows device encrypted with BitLocker Drive Encryption.

The following article provides information about a Power-On Self-Test (POST) startup error on Dell Pro All-in-One (AIO) desktops. The desktop may not turn on if left switched off for longer than 10 minutes. The power Light Emitting Diode (LED) is solid amber with no image on-screen.

Fix startup problems on your Dell computer with BIOSConnect. Download SupportAssist OS Recovery on supported systems directly from Dell's servers.

This article provides information about how to troubleshoot and fix issues if the computer fan is not working, the fan noise is loud, the fan is spinning slowly, and so on.

Troubleshooting an SD card or memory card reader issues on your Dell laptop or desktop? Learn how to fix problems like SD cards not detected, card readers not working, or cards not showing up in Windows.

Learn how to fix a desktop or All-In-One (AIO) computer that stops responding or shows a blue screen intermittently.

This article provides more information about how to download and install Adobe Acrobat that is purchased from Dell.

The following article has information about downloading Microsoft Office from My Account (previously Dell Digital Locker.)

Dell ThinOS 10 remediation is available for multiple Google Chrome vulnerabilities that could be exploited by malicious users to compromise the affected system.

This article describes what to do when keys in the Dell Pro Keyboard and Mouse KM5221W keyboard start to repeat by themselves.

This article discusses how to download and install Adobe Photoshop Elements or Adobe Premier Elements that are sold on Dell platforms.

Dell Windows 10 IoT Enterprise LTSC 2021, Dell Windows 11 IoT Enterprise LTSC 2024 remediation is available for multiple Omnissa Horizon Client vulnerabilities that could be exploited by malicious users to compromise the affected system.

This article provides the summary on the Dell Pro Desktops QC24250/QC24251/QB24250 Windows 11 Driver Pack.

This article provides the summary on the Dell Pro Desktops QC24250/QC24251/QB24250 Windows 10 Driver Pack.

The following article provides information about the availability of Linux Operating Systems on Dell computer's and how Dell supports them.

Installation of CyberLink Media Suite from a DVD using a Dell External USB Slim DVD +/- RW Optical Drive DW316 takes a long time or fails.

Learn what to do if SupportAssist v4.10.1 shows an invalid message relating to the Internet not working.

Dell Client Platform remediation is available for multiple vulnerabilities in Intel Graphics Software that could be exploited by malicious users to compromise the affected system

Learn about how the Dell Pro Webcam - WB5023 and Dell Webcam - WB3023 must have the microphone enabled to use it.

This article lists Dell computers that have previously been tested for upgrade from Windows 10 to Windows 11, and to update from Windows 11 to Windows 11 2022 Update (build 22H2). Beginning with Windows 11 Build 23H2, Dell will not provide a list of update testing between versions of Windows 11. However, Dell will continue to support the factory installed operating system and updates provided by Microsoft through Windows Update.

This page is designed to appear under certain circumstances when searching for your Service Tag, Express Service Code, or Serial Number or part number.

Dell ThinOS 10 remediation is available for multiple third-party component vulnerabilities that could be exploited by malicious users to compromise the affected system.

Learn how to add (pair) Bluetooth devices in Windows 11 and Windows 10. Get step-by-step instructions to connect Bluetooth devices such as keyboards, mice, speakers, and headsets, and how to troubleshoot pairing issues.

Learn how to reset or reinstall Windows 11 on your Dell computer. Follow step-by-step instructions for system restore, resetting Windows, using recovery media, and more.

Dell Client Platform remediation is available for multiple AMD Graphics Driver vulnerabilities that could be exploited by malicious users to compromise the affected system.

Learn the steps to use the Secure Boot Default Database (DB) in the BIOS to overwrite the Active DB used to boot the operating system with Secure Boot.

Troubleshoot Windows Hello PIN issues on Windows 10. Learn how to change, reset, or set up your Microsoft PIN to resolve sign-in problems and resolve error messages.

This article describes how to guide a customer through changing the operating system language in Windows 11.

The following article takes you through several methods for removing Applications, Programs, and Updates in the Windows 11, and Windows 10 operating system.

Dell Data Wipe securely erases all internal storage via BIOS—ideal for resale, repurpose, or disposal. Protect privacy with enterprise-grade erasure.

Forgot your Dell BIOS password? Learn how to reset system, admin, or HDD passwords securely with Dell Support and regain access to your device.

Secure your computer at power on. Learn how to set a System BIOS password to prevent unauthorized start-ups.

Protect your data even if your drive is removed—learn how to set a hard drive password in the BIOS on your Dell computer.

Learn how to set up dual or multiple monitors in Windows, adjust dual screen settings, and configure up dual or multiple monitors for better productivity, in Windows 11 and Windows 10.

A hard reset is recommended as the first step to fixing many common issues. This process helps by draining residual power that may be causing the problem.

Dell ThinOS 10 remediation is available for multiple vulnerabilities that could be exploited by malicious users to compromise the affected system.

Learn about the Dell Depot Diagnostics Service and how this process works to help you resolve system problems.

Dell Client Platform remediation is available for multiple MediaTek Wi-Fi and Bluetooth Driver vulnerabilities that could be exploited by malicious users to compromise the affected system.

Create and manage disk partitions in Windows 11 and 10. Additional information can be found in the linked content from Microsoft.

Dell Client Platform remediation is available for multiple vulnerabilities in Intel PROSet/Wireless Wi-Fi Software that could be exploited by malicious users to compromise the affected system.

This article describes resolving the "Not enough space on drive" error that occurs when attempting to download large files from Dell online applications such as Dell operating system recovery images.

Explore the power of Dell Optimizer - your guide to enhanced performance, AI-driven optimizations, and seamless Windows experiences. Learn more now.

Securely erase data from your device before Trade In or Recycle by following our step-by-step instructions for Windows, Android, and Apple devices.

See the section that matches the code you received, and follow the instructions that are listed in the Next Steps column.

Dell ThinOS 10 remediation is available for multiple ControlUP VDI Agent vulnerabilities that could be exploited by malicious users to compromise the affected system.

This article provides a step-by-step guide for upgrading your supported Dell device to Windows 11, including information about Dell drivers and common issues.

This article has the answers to the most frequently asked questions about DisplayPort. This covers it as a Protocol and as a Port and Connector on Dell laptops, tablets, and desktops.

The following article provides the information about capturing an Event Trace Log (ETL). It includes the ETL and other files that can assist Dell in troubleshooting wireless issues that are only seen at customer sites.

This article provides information about Windows 11 IoT devices unable to pull images from Wyse Management Suite (WMS) Cloud use a remote repository.

This guide provides a step-by-step overview for retrieving an image from a Windows 11 IoT device using Wyse Management Suite (WMS) Cloud in a Remote Repository.

Dell ThinOS 10 remediation is available for multiple Google Chrome vulnerabilities that could be exploited by malicious users to compromise the affected system.

This article provides information about hard drive encryption along with an explanation of BitLocker and troubleshooting steps to resolve hard drive encryption-related issues on a Dell computer.

Understand what an optical drive is in a computer. Compatibility information about the various types of optical disc drives (ODD) and different types of optical discs.

Your product's manuals, user guides, and other documentation contains the information that you must have to get the most out of your Dell product.

Learn how to clean (erase data or wipe data) and reset your hard drive. This guide covers wiping, cleaning up your hard drives (HDD), and securely removing all data to prepare your drive for reuse or sale.

Learn how to run the CHKDSK utility provided in Windows 11 and Windows 10 to correct file errors or bad sectors on a hard disk.

Dell Diagnostic Tools

Basic info to help when you have forgotten your Windows password. This article has been superseded by the operating system specific articles within.

Learn about Ubuntu 24.04 showing disk capacity as Unknown with some SSD Drive brands.

This article gives information about a scenario where a Dell BIOS update fails when done through Windows Update.

Learn how to fix desktop offset issues by updating drivers, adjusting display settings, and matching screen resolutions.

Learn how to back up and restore in Windows 10 with File History.

This article provides information about how to check the hardware specifications of a Dell computer on the Dell.com/support website, in the BIOS, or using the DirectX diagnostic tool.

Learn how to enable or disable Hardware Virtualization on a Dell computer.

How to set your NVIDIA card as the primary GPU, enable NVIDIA video, and switch graphics mode to switchable graphics on Dell laptops. Improve video performance and resolve issues with your frames per second (FPS), video quality, and resolutions for gaming and multimedia.

Learn the steps to prevent Microsoft Teams 2.0 from slowing down your Windows 11 startup. Follow our guide to disable auto start effortlessly.

This article walks you through the process of enabling the Windows Virtualization Based Security (VBS)/Hypervisor Enforced Code Integrity (HVCI) feature on a Dell computer.

Learn step-by-step instructions to open Task Manager in Windows 11. Learn Task Manager shortcuts, hotkeys, and how to open Task Manager with the keyboard.

Explore steps to reset your Microsoft password online and on Microsoft products. Resolve Microsoft Account (MSA) issues quickly.

Learn how to change the default center-aligned taskbar in Windows 11 to be left-aligned. Follow this guide to customize the Windows 11 taskbar placement.

Learn the process of running the PC Health Check app on Windows 10. Ensure that your computer meets Windows 11 requirements with this step-by-step guide.

What is Modern Standby and how it compares to S3 Standby on Dell computers. Find how Modern Standby improves battery life and enables faster transitions.

Find out more about how to clean your Dell equipment.

Learn how to download Windows Debugger (WinDbg) and run it to read minidump files and troubleshoot bluescreen errors in a Windows operating system.

This article describes an issue where File Explorer in Windows 10 stops responding when opened.

Windows fails to activate automatically after having the motherboard replaced. The Windows activation status changes to error 0x803fa067.

The following article is an overview of the Dell Command Configure, Power, Monitor, and Update Utilities. It links to the latest information available about them on the Dell support site.

Learn how to check what processor you have in your Dell computer. Follow simple steps for Windows and Linux to check the processor generation and model.

This article describes the support scope for personal computer Game Pass and the Xbox app on Dell devices.

This guide is a series of questions commonly asked about the Microsoft 365. (Formerly Office 365.) If your answer is not found here, use the website links at the bottom of the page.

The following article provides information about how to reset Windows Hello. These steps are required if the options gray out after upgrading your Trusted Platform Module (TPM) on a Dell laptop or desktop.

Learn about the Driver Detection not Available message that appears on the Dell support driver download page.

The following article provides information about the various ways to set up a Windows Hello PIN login. Windows Hello is designed for laptops, tablets, and desktops running the Microsoft Windows 11 and Windows 10 operating systems.

This article provides the steps for changing the Computer Name on a Dell computer if it shows Desktop-XXXXXX.

This article is a guide to clear the cache and browser history for common browsers. Browsers that are used on Dell computers with the Windows 10 and 11 operating system.

This article provides a solution to your Windows 10 computer sticking in an infinite loop when starting up.

The following article provides information about how to boot to the Windows 11, or Windows 10 advanced startup options menu on your Dell computer.

Replace the CMOS battery in your Dell desktop computer to maintain BIOS settings and system time. This guide covers the steps for removing, installing, and safely disposing of the motherboard battery, ensuring your BIOS functions properly.

Information about Dell computers with Linux Operating Systems (OS) and support for Wi-Fi 7 (802.11be).

Some newly purchased Dell computers may experience an issue activating Microsoft Office. For customers who have contacted Dell Technical Support and have been approved to be given a replacement key. This article explains how to obtain and use the key to activate your Microsoft Office software.

Some newly purchased Dell computers may experience an issue activating Game Pass. For customers who have contacted Dell Technical Support and have been approved to be given a replacement key. This article explains how to obtain and use the key to activate your entitled Game Pass offer.

Learn to distinguish M.2 cards, including slots, keys, sizes, and types. Understand M.2 slot functionality, M.2 and PCIe interfaces, and the M.2 platform's versatility.

Learn how to defrag your hard drive with the disk defragmenter in Windows 11 and Windows 10. Improve performance by reducing fragmentation and speeding up your personal computer.

Learn how to use Windows Push-Button Reset to restore your Windows operating system to factory settings.

This article describes an issue where the TPM cannot be configured because it is in an owned state.

Learn how RAM speed and memory capacity impact your computer's performance. Explore what more RAM does, how to check RAM MHz, and why RAM speed matters for efficiency.

Learn how to create and then log in to a local account in Microsoft Windows.

What surge protectors are, how they work, and why they are essential for protecting your electronics from power surges. Find out how to choose the right surge protector and understand their lifespan.

This article provides information about System Restore in Microsoft Windows. Learn how to create a restore point and how to restore the system files and settings in Microsoft Windows. Find step-by-step instructions to recover the computer using the System Restore feature in Microsoft Windows.

Learn how to create a Windows password reset USB flash drive in Windows 11 and 10. Use a password recovery USB flash drive to reset your Windows login password.

Transfer Outlook email, calendar, and contacts to another computer using a PST file. Learn how to export Outlook items to an Outlook Data File (.pst) and import them seamlessly.

This article provides instructions on how to run hardware diagnostics using SupportAssist on a Dell computer.

Learn to install printer drivers from older Windows versions when current drivers are unavailable. Includes instructions for resolving compatibility issues for inkjet and laser printers.

Experiencing slow performance on your personal computer? Find effective troubleshooting steps to resolve lagging issues and enhance your Dell personal computer's speed and efficiency.

The Dell Command Suite is the name of our industry-leading Client Systems Management tools.

Check how to downgrade Windows 11 to 10. Follow our guide to switch back from Windows 11 to Windows 10 on your computer within 10 days of upgrade.

The following article provides information about video issues shown in various browsers on the Dell Pro 24 All-in-One (AIO) QC24251 desktops.

Learn how to enable Secure Boot and boot in secure mode on your Dell device. This guide covers UEFI secure boot, how to check if secure boot is enabled in the BIOS, and how to turn on secure boot for Windows 10 and 11.

The following article provides information about the Alienware Command Center (AWCC) installation process once an Alienware peripheral is installed on a Non-Alienware device.

This article helps you prepare to replace customer replaceable parts on your Dell computer. Customer replaceable units are parts that, regardless of service response level, can be easily replaced with minimal effort and simple tools.

This article provides information about the different types of hard disk drives (HDD) or solid state drives (SSD) on Dell computers. Learn how to run the hard disk drive diagnostics, replace a hard drive, upgrade a hard drive, and more. Find links to troubleshooting resources to help resolve hard drive-related issues on a Dell computer.

This article provides information about an error with the Dell Optimizer software and System Center Configuration Manager (SCCM) deployment.

This article provides instructions on how to run the hardware diagnostics on supported devices from the Dell Support website.

Information about update errors when using Alienware Update, Dell Update, or Dell Command Update.

Information and steps on how to automatically log in to Windows without having a welcome screen or classic login prompt.

Information about Platform Configuration Register (PCR) 7 giving a "PCR 7 binding not possible" message when used with TPM and BitLocker.

This article provides information about how to disable touch options in Windows 10. This can be difficult when using a Dell Touch-enabled computer as a KIOSK device.

This article is a guide to a couple of different methods to complete a Trusted Protocol Module (TPM) firmware update on a Dell personal computer if you get the following error message - "The update image is not for this system."