Enable Virtualization in BIOS for WSL & Docker

Last updated: December 25, 2025

Enable hardware virtualization (Intel VT-x / AMD SVM) in BIOS for WSL2, Docker, Hyper-V, and Android emulators. Step-by-step for every major PC brand.

Overview

WSL2, Docker, or emulator saying virtualization not enabled? Fix it in BIOS in 5 minutes.

What this helps with

What to expect: Medium difficulty • usually about 5-10 minutes.

This is one of 27 Virtualization & Containers fixes in the WindowsHelper library. The full step-by-step fix for this is in the WindowsHelper app.

Related fixes in Virtualization & Containers

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  Give a virtual machine real graphics power with Hyper-V GPU partitioning or full GPU assignment, and fix passthrough problems like Code 43 and black screens.

  Medium45-60 minutes
• 🌐 Configure Virtual Machine Networking

  Connect virtual machines with NAT, external, internal or bridged networking, forward ports, isolate test networks and fix VMs with no internet.

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• 🖥️ Configure VirtualBox Setup

  Install VirtualBox, create a virtual machine, add Guest Additions, set up display, USB and shared clipboard, and fix common VirtualBox errors.

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• 🐳 Fix Docker Desktop Issues

  Docker Desktop stuck on starting? Check prerequisites and fix the Docker engine, WSL 2 errors, image pull failures, container networking and high memory use.

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• ⚡ Fix Virtual Machine Performance

  Make a virtual machine run better: the right CPU cores, dynamic memory, GPU acceleration, quicker virtual disks, power settings and VM benchmarks.

  Medium30-45 minutes
• 💾 Fix Virtual Machine Storage

  Resolve virtual machine disk space issues including expanding VHDs, thin provisioning, snapshot management, and dynamic disk allocation in Hyper-V and VirtualBox.

  Medium30-45 minutes
• 🐳 Resolve Container Development Issues

  Fix container development problems: Docker setup, Dockerfile build errors, port conflicts, container networking, volume permissions, image size and Compose.

  Medium30-45 minutes
• 🛡️ Resolve Virtualization Security

  Secure virtual machines and containers: Windows Sandbox, VM isolation, Credential Guard, Secure Boot for VMs, VM traffic auditing and Docker hardening.

  Medium45-60 minutes
• 🐧 Resolve WSL Integration Issues

  Fix WSL 2 problems: installation and kernel update errors, memory and CPU limits, Linux distributions, file access between Windows and Linux, and networking.

  Medium30-45 minutes
• Configure Windows Sandbox

  Enable, configure, and troubleshoot Windows Sandbox for safely testing software and browsing in an isolated disposable environment.

  Medium15-45 minutes

You might also run into

• ⚙️ Troubleshoot Virtualization Compatibility

  Get virtualization running: check CPU support, manage Hyper-V, and fix WSL 2, VMware, VirtualBox, Docker Desktop and Android emulator conflicts.

  Medium30-45 minutes
• ⚙️ Fix BIOS and UEFI Configuration Problems

  Access, configure, update, and reset BIOS/UEFI firmware settings to resolve boot failures, hardware detection issues, and system configuration problems

  Hard25-40 minutes
• Fix WSL2 Disk Space Growing Too Large

  Fix WSL2 ext4.vhdx virtual disk consuming too much C: drive space. Clean up Docker images, compact the VHDX, and move WSL to another drive.

  Medium5-15 minutes
• 💾 Optimize Virtual Memory

  Tune virtual memory: check RAM and page file use, let Windows manage the page file or set a custom size, and move it to a faster drive.

  Medium30-45 minutes