Firmware · medium

How to fixFAST-BOOT-HANG

Fast Boot Stuck

What this error means

This medium-severity issue affects the firmware. The computer won't start because it's stuck in the fast boot phase. This can also stem from incompatible USB device connected. Follow the steps below to fix it.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Disconnect all USBs except the keyboard and reboot

Disconnect all USBs except the keyboard and reboot.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Reset CMOS (by removing battery)

Reset CMOS (by removing battery).

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Turn off Fast Boot

Turn off Fast Boot.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Incompatible USB device connected
  • Conflict between Windows Fast Boot and BIOS Fast Boot