Fix Common Issues on Laptops and Desktops
Run SupportAssist Diagnostics
If your Dell computer can boot into Windows, run a quick test using SupportAssist to identify hardware issues.
Run Preboot Diagnostics
If your Dell computer turns on but cannot boot into the operating system, run a preboot diagnostic test to identify hardware issues.
SupportAssist for Home PCs
Learn more about SupportAssist for home PCs. SupportAssist helps download drivers, run a hardware scan, and optimize your Dell computer.
Blue Screen (BSOD) Errors and Stop Code Issues in Windows
Resolve Blue Screen of Death (BSOD) errors on Windows like IRQL_NOT_LESS_OR_EQUAL and more. Follow our guide to resolve all types of Microsoft Blue Screen problems.Computer Won't Turn On: Troubleshoot Power Issues
Computer not turning on due to power issues? Check the power source, troubleshoot AC adapter, battery, and power button. Follow our easy guide to fix your computer.Computer Won't POST: POST Error on Laptops and Desktops
Computer won't start? Check our troubleshooting tips to fix POST issues and get your PC working again. Learn how to resolve startup problems quickly and easily.Computer Cannot Boot into Windows
Computer won't boot? Learn how to fix common boot issues like blank screens and error messages stopping Windows from loading on your Dell laptop, desktop, or all-in-one.How to Update BIOS: Install and Upgrade BIOS on Windows
Learn how to access, navigate, and update BIOS or UEFI on your Dell computer. Check instructions for updating to the latest BIOS or UEFI version, improving performance and compatibility.Make Your Computer Faster: Boost Performance and Speed Up Your PC
Learn how to optimize your Dell computer to improve system performance if your Dell computer takes a long time to load apps or boot your operating system.Windows Randomly Restarts or Auto Reboots
Learn how to disable automatic restarts in Windows. Resolve random restarts or restart loop in Windows 10 and 11.Computer Won't Shutdown: Windows Restarts
Learn how to resolve computer shutdown issues on Windows 10 and 11. Troubleshoot problems when your computer won't shut down, including force shutdowns and shut down errors.Computer Making Noises? Troubleshoot Loud Fans, Hard Drive & More
Wondering why your computer is noisy? Find out about loud fans, buzzing power supplies, and more, plus tips to fix common PC sound issues.USB Ports Not Working on Windows: Solve Common USB Issues
Resolve USB port issues like not working, unresponsive devices, error messages, or ports not fitting. Solve common USB problems on Windows with easy troubleshooting tips and solutions.Video Resources
Ensure your laptop is plugged in and run a full system scan using SupportAssist to check for outdated drivers
and optimize your PC. Install any updates found, restart your computer, and it will boot into Windows as usual.
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Watch this video to learn how to run a preboot diagnostic test on your Dell computer.
For a referen ce table of ePSA error codes, please visit our article, ePSA Reference Table. ...
For a referen ce table of ePSA error codes, please visit our article, ePSA Reference Table. ...
SupportAssist for Home PCs is your single source for PC help, available with the purchase of a Dell PC. Learn
how to access SupportAssist, check your software and hardware health, view your service plan details, request support, update software, and more to keep your PC running at its best. For more information, please visit: Explore SupportAssist for Home PCs
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Other Resources
Audio and Speakers
Get support for audio-related issues for speakers, headphones or microphones. Audio and Speakers
Dell Docking Stations
Learn how to set up your Dell docking station, install drivers, and update the firmware. Dell Docking Stations
Battery, Fan, and Power
Learn how to resolve battery issues, AC adapter, power, and fan issues. Battery, Fan, and Power