A computer stuck on the startup screen can sit at the manufacturer logo, Windows logo, spinning dots, or a blank-looking loading screen without reaching the sign-in page. A recent update, attached device, damaged startup files, or a storage issue can all be involved. Begin with the safest checks, avoid repeated forced restarts, and use the least disruptive recovery option first.


Desktop computer showing a dark startup screen with a loading spinner
Use the least disruptive recovery step first when Windows will not finish starting.


Start with the safest checks



  1. Give the startup screen a little time. After a large update or an unexpected shutdown, Windows can take longer than usual to finish. If the loading indicator is still changing, leave the computer connected to power for several minutes before assuming it is stuck. Do not interrupt an update just because it is slower than normal.

  2. Disconnect nonessential devices. Shut down the computer and remove recently connected USB drives, docks, printers, adapters, card readers, and other accessories. Leave only power, display, keyboard, and mouse connected, then start again. A removable device can occasionally confuse the startup process.

  3. Perform one normal power cycle. If the computer is truly unresponsive, hold the power button until it turns off, wait a moment, then turn it back on. Do this once rather than repeating it many times. If the device becomes unusually hot, smells burnt, or makes unusual clicking sounds, stop and seek professional help.

  4. Note exactly where startup stops. Write down whether the computer stops before or after the Windows logo, whether a message appears, and whether the problem began after an update, power outage, new app, or new hardware. Those details help you choose the right recovery step.

  5. If you later need to create installation media on another working computer, compare USB flash drives.For a related troubleshooting path, see Computer Won’t Turn On? 9 Safe Checks to Try First.

Use Windows Recovery tools carefully



  1. Run Startup Repair. If Windows will not complete startup, enter the Windows Recovery Environment. From Troubleshoot > Advanced options, choose Startup Repair and follow the prompts. This built-in tool scans for common startup problems and attempts a repair. If the device is encrypted, Windows may ask for its BitLocker recovery key.

  2. Try Safe Mode to narrow down the cause. In Windows Recovery, choose Troubleshoot > Advanced options > Startup Settings > Restart, then select Safe Mode. Safe Mode starts Windows with a limited set of drivers and services. If it reaches the desktop normally, a driver, startup item, or recent software change may be involved.

  3. Remove a recent update only when the timing fits. If the startup problem began immediately after a Windows update, the recovery options may include Uninstall Updates. Choose the smallest, most relevant change and read each screen before confirming it.



Use restore options only after the basics



  1. Consider System Restore before a reset. If a restore point exists from before the trouble began, System Restore can roll back system changes without changing personal files. A reset or reinstall can affect apps, settings, and possibly data, so back up important files first whenever you can and choose those options only after reading their consequences.


Protect files before choosing a resetStartup Repair and Safe Mode are designed to be less disruptive than a reset or reinstall. If you can reach the Windows Recovery Environment, read each option carefully and choose the smallest change that matches what happened. If the computer starts again, back up important files before installing more updates or troubleshooting further. A repeat startup failure, drive-detection message, or new clicking sound is a good reason to stop and obtain qualified support rather than repeatedly forcing shutdowns.

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When a startup problem needs professional help


Stop troubleshooting and consider professional service if the computer cannot detect its drive, repeatedly returns to the same recovery screen, makes loud clicking or grinding noises, overheats, smells burnt, or has visible damage. Do not open the case or attempt internal repairs unless you know how to work safely around computer hardware.


Computer stuck on startup screen: quick answers


Why is my computer stuck on the Windows loading screen?


Startup can stall because of an interrupted update, a damaged system file, a driver or accessory conflict, or a storage problem. The location where it stops and any recent change are useful clues.


Can Startup Repair delete my files?


Startup Repair is designed to diagnose and fix common startup issues. Still, review any recovery prompt carefully, and back up important files before using more disruptive recovery or reset options.


What if Windows Recovery asks for a BitLocker key?


Some recovery tools require the BitLocker recovery key on an encrypted device. Locate the key through the device owner’s supported Microsoft or organizational recovery process before continuing.


Helpful Microsoft resources



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