Command Prompt
Troubleshooting guides for Command Prompt.
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Troubleshooting guides for Command Prompt.
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Browse guides →Find out when a PC fan running after shutdown is normal, and when BIOS settings, sensors, or wiring are the problem.
Install the chipset, network, and graphics drivers first after Windows setup. If you have no internet, use Ethernet, USB tethering, or a flash drive.
If Device Manager is missing Audio inputs and outputs, Windows usually hid the device or lost the audio driver stack. Start with hidden devices, then reinstall the audio controller and chipset drivers
Missing Windows Boot Manager usually means either a firmware entry problem or a drive-detection issue. This guide shows how to tell which one failed and what to fix.
If Windows Hello keeps asking for your PIN after reboot or app sign-in, this guide helps you pinpoint policy, PIN store, or app-specific causes and fix them.
A PC fan that won't spin usually points to motor failure, a blocked power path, or BIOS control. This guide shows quick checks to isolate the fault.
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