Over the course of the last month, the EB IT Support team has tracked and successfully resolved a critical boot issue affecting multiple client machines—specifically totaling 7 PCs within June 2026 alone.

If your ASUS device suddenly restarts into a grey or blue utility screen (the BIOS) and refuses to load your desktop, your machine has likely been affected by a known conflict introduced by a recent Windows 11 update.

Here is a breakdown of what is happening and exactly how to fix it.

The Cause: The "Invisible" Boot Partition

The root of this issue lies in a sudden configuration change triggered by the latest Windows 11 update cycle. The update inadvertently forces a firmware setting called Intel VMD (Volume Management Device) to switch to "Enabled." Intel VMD is a storage management technology. When it is suddenly switched on without the proper corresponding storage drivers active in the operating system, Windows 11 completely loses sight of the solid-state drive (SSD).

The Result: Because Windows can no longer see its own boot partition, the system panics upon startup. Failing to find an operating system, the motherboard automatically drops you into the ASUS BIOS screen. Restarting the computer simply repeats this loop indefinitely.

How to Fix the Issue (No Driver Download Required)

If you are stranded without access to a second computer to download fresh storage drivers, the fastest and most efficient workaround is to disable Intel VMD. This forces the motherboard to look at the SSD as a standard NVMe drive, which Windows 11 can natively recognize without specialized drivers.

Follow these steps to restore your system:

Step 1: Power Down the Device

Completely shut down your affected ASUS laptop or desktop by holding down the physical power button for 5 to 10 seconds until all lights and fans turn off.

Step 2: Boot Into the BIOS Menu

1. Press and hold down the F2 key on your keyboard.
2. While keeping F2 pressed, tap the Power button once to turn the PC on.
3. Continue holding the F2 key until the ASUS BIOS/UEFI setup screen appears on your display, then release it.

Step 3: Disable Intel VMD Technology

1. Once the BIOS screen loads, press the F7 key to enter Advanced Mode (or click "Advanced Mode" in the bottom-right corner of the screen).
2. Navigate to the Advanced tab at the top of the screen using your arrow keys or mouse.
3. Scroll down and locate the VMD setup menu.
4. Find the option labeled Enable VMD controller and change its status from Enabled to Disabled.
5. If a warning dialog pops up regarding RAID or storage configuration changes, click OK or press Enter to confirm (this is safe for standard single-SSD office and consumer setups).

Step 4: Save and Restart

Press the F10 key to save your new configuration and exit the BIOS. Confirm the save prompt, and let your PC restart normally.

Need Additional Assistance?

Once VMD is disabled, the system will immediately recognize the NVMe boot partition again, and your Windows 11 environment should load perfectly on the next boot without any data loss.

If you run into any difficulties navigating the BIOS or if your machine continues to loop, please contact the EB IT Support LTD helpdesk immediately so an engineer can assist you.