Enable Intel VT-x for VMware Workstation Player

Learn how to check Intel VT-x support, enable virtualization in BIOS or UEFI, verify it in Windows or Linux, and troubleshoot VMware Workstation Player errors.

Intel VT-x is a processor hardware-virtualization capability. It allows a hypervisor—software that creates and runs virtual machines—to use processor-assisted execution for guest operating systems. VMware Workstation Player uses this capability when running supported virtual machines on a Windows or Linux host operating system.

Processor support and firmware activation are separate. An Intel CPU can support VT-x while BIOS or UEFI leaves the feature disabled. The operating system and VMware Workstation Player can use VT-x only after the firmware setting exposes it to the host.

Check whether the processor supports Intel VT-x

First identify the exact installed CPU model. You can use a system-information tool, the computer manufacturer's specification page, or the motherboard documentation. Then compare that model with the manufacturer's processor specifications to confirm that Intel VT-x is supported.

Do not assume that a virtualization error proves the processor lacks VT-x. A supported CPU may have virtualization disabled in firmware. Some laptops and managed business computers also ship with virtualization disabled or restrict the setting through an administrator policy.

On Windows, open System Information by running msinfo32, or inspect the CPU model in Task Manager.
On Linux, run lscpu and review the reported CPU model.
Use the exact model, including its generation or series, when checking manufacturer specifications.

Prepare to change BIOS or UEFI settings

BIOS is the legacy firmware interface that configures low-level hardware before the operating system starts. UEFI is the modern firmware interface commonly used instead of BIOS. Both can contain an Intel virtualization control, although the layout and wording differ between vendors.

Setup screens, menu names, navigation methods, and entry keys vary by computer and motherboard manufacturer. Record the current virtualization setting before changing it, and avoid changing unrelated options such as boot mode, storage-controller mode, memory timings, or security settings.

A firmware administrator password may prevent changes. Organization-managed devices may also lock virtualization settings through policy. Do not attempt to bypass those protections; contact the organization's administrator or the device vendor.

Enter BIOS or UEFI setup

Restart the computer and begin pressing the manufacturer's setup key immediately after power-on, before the operating system begins loading. Common keys include Delete, F1, F2, F10, and Esc. Some systems display a startup menu from which you choose firmware setup. Check the computer or motherboard documentation for the correct method.

If fast startup or fast boot makes the key-press window difficult, Windows can request a firmware restart:

Open Settings > System > Recovery.
Under Advanced startup, select Restart now.
Choose Troubleshoot > Advanced options > UEFI Firmware Settings, then select Restart.

The exact Windows labels can vary by version and by whether the computer uses UEFI. Linux distributions also provide different restart paths; consult the computer vendor's firmware instructions if a direct startup key is not practical. If a wireless keyboard is not active early enough, try a wired keyboard.

Find the Intel virtualization option

Look through menus such as Processor, CPU Configuration, Advanced, Chipset, Northbridge, BIOS Features, System Configuration, or Security. Laptop firmware often places the option under Security or System Configuration, while desktop motherboards commonly place it under Advanced or CPU Configuration.

Possible setting label	Likely firmware menu	Required value	Notes
Intel Virtualization Technology	Advanced, Processor, or CPU Configuration	Enabled	Common label for Intel VT-x.
Intel VT-x	Advanced or Security	Enabled	May be shown as a direct feature name.
Virtualization Technology	System Configuration or Processor	Enabled	The word Intel may be omitted.
VMX or Virtual Machine Extensions	Processor or Advanced	Enabled	VMX is another name associated with Intel virtualization extensions.

Do not confuse Intel VT-d with VT-x. VT-d primarily provides I/O virtualization, such as directing devices through virtualization-aware hardware. It is related but is not a replacement for the processor execution extensions required by this procedure.

Enable Intel VT-x and save the change

Select Intel Virtualization Technology, Intel VT-x, Virtualization Technology, VMX, or the equivalent setting.
Change its value to Enabled.
Use the firmware's Save & Exit command. Some systems use a key such as F10 and ask you to confirm.
Allow the computer to reboot normally.

A complete restart is required. The operating system cannot detect the newly enabled feature until the firmware has saved the setting and initialized the processor again.

Desktop motherboard example

Restart the desktop and press Delete, or use the documented startup key.
Open an Advanced or CPU Configuration menu.
Set Intel Virtualization Technology to Enabled.
Choose Save & Exit, reboot, and verify the result in the host operating system.

Laptop example

Use the laptop manufacturer's firmware-entry key or startup menu.
Check Security, System Configuration, and Advanced sections.
Enable the available virtualization control.
Save, restart, and verify virtualization from Windows or Linux.

Verify virtualization after reboot

Verification confirms that firmware has exposed VT-x to the host operating system. It is different from checking only whether the CPU model supports the feature.

Host operating system	Verification method	Expected indication	Follow-up if not enabled
Windows	Open Task Manager, select Performance > CPU, and inspect Virtualization.	Enabled	If it says Disabled, return to firmware, confirm the setting, save it, and perform a complete restart.
Linux	Run `lscpu \| grep -i virtualization`, inspect `/proc/cpuinfo`, and optionally run `kvm-ok` if installed.	A virtualization capability such as `VT-x` or `vmx` is reported.	Use `grep -Eoc '(vmx)' /proc/cpuinfo`. A zero result can mean firmware has not exposed VMX, or that the CPU does not support it.

Windows verification

Press Ctrl+Shift+Esc to open Task Manager.
Select Performance, then CPU.
Check the Virtualization field.
When it reports Enabled, retry VMware Workstation Player.

You can also run msinfo32 to review system information while diagnosing host hypervisor and security-feature interactions.

Linux verification

lscpu | grep -i virtualization

grep -Eoc '(vmx)' /proc/cpuinfo

The vmx flag indicates that Intel virtualization extensions are exposed to Linux. A CPU can support VMX while firmware has it disabled, so combine the command output with the CPU model and firmware setting.

Use VMware Workstation Player after verification

Once the host reports virtualization as enabled, start VMware Workstation Player and launch or configure the virtual machine again. VT-x activation helps VMware run supported guest operating systems effectively, but it does not guarantee that every guest, virtual-machine configuration, or VMware version is compatible.

On supported Windows configurations, features such as Hyper-V, Virtual Machine Platform, Windows Hypervisor Platform, or virtualization-based security can cause a host-hypervisor interaction. Current VMware versions may use Windows' hypervisor interfaces, while other configurations can produce compatibility, performance, or “hardware virtualization unavailable” errors. If Task Manager reports Enabled but VMware still fails, treat that as a separate host-hypervisor or compatibility problem rather than repeatedly changing the firmware setting.

Troubleshoot common problems

Symptom	Likely cause	How to verify	Recommended action
VMware reports hardware virtualization is unavailable	VT-x is disabled, the restart was incomplete, or another host virtualization configuration is involved.	Check Windows Task Manager or Linux CPU flags, then review firmware.	Enable VT-x, save and fully restart, then investigate Windows hypervisor features or VMware compatibility if the status is already enabled.
Virtualization is disabled in Windows	The firmware option was not enabled or the change was not saved.	Check Task Manager > Performance > CPU.	Return to firmware, set the option to Enabled, use Save & Exit, and reboot.
No virtualization setting appears in firmware	The setting has another name, is in an unexpected menu, is hidden by firmware, or the CPU does not support VT-x.	Search Processor, Advanced, Chipset, Security, and CPU Configuration menus; verify the exact CPU model.	Look for VMX or Virtual Machine Extensions, consult vendor documentation, and check for an appropriate firmware update.
Virtualization setting is grayed out	A firmware password, corporate policy, or vendor restriction is blocking changes.	Check whether other security settings are locked and whether the device is managed.	Contact the organizational administrator or device vendor. Do not bypass firmware protections.
VT-x is enabled but VMware still cannot use it	A host hypervisor or security feature may be using the extensions, or VMware may have a compatibility issue.	Confirm a full restart and inspect `msinfo32` and Windows virtualization features where relevant.	Resolve the host-hypervisor interaction separately and review VMware's error-specific compatibility guidance.

The setup key does not work

Confirm the key for the exact computer or motherboard model; it may be Delete, F1, F2, F10, Esc, or a vendor startup-menu key.
Begin pressing the key immediately after powering on rather than holding it only once.
Try a wired keyboard if a wireless keyboard initializes too late.
From Windows, use the Advanced startup path to request UEFI firmware settings when available.

The option cannot be found

Search for alternate labels such as VMX, Virtual Machine Extensions, or Virtualization Technology. Review Processor, Advanced, Chipset, Northbridge, BIOS Features, Security, and System Configuration menus. If no setting exists, verify the exact processor model against Intel specifications and check the computer or motherboard vendor's documentation.

The processor does not support VT-x

Confirm the exact CPU model before deciding that support is absent. If the processor truly lacks Intel VT-x, no BIOS or UEFI change can add that capability. Running the required virtual machines may require hardware with a supported processor.

Firmware is outdated or restricted

A BIOS or UEFI update from the computer or motherboard manufacturer may expose a missing control or correct a firmware defect. Use only the vendor's supported update procedure and confirm that the update applies to the exact model. Contact the vendor or organizational administrator when the option is locked, unavailable by policy, or unsafe to modify.

Key points

Intel VT-x is a processor capability used by hypervisors such as VMware Workstation Player.
CPU support does not mean that firmware has enabled the feature.
Enable the setting commonly called Intel Virtualization Technology, Intel VT-x, Virtualization Technology, or VMX.
Save the firmware change and perform a complete restart.
Verify the result in Task Manager on Windows or with CPU virtualization commands on Linux.
If VT-x is enabled but VMware still reports an error, investigate host hypervisor features and VMware compatibility separately.

For the next step, see installing VMware Workstation Player on Windows, installing VMware Workstation Player on Linux, or starting a virtual machine.