Your NVMe M.2 SSD partitions will now magically appear in the drive list, allowing you to format, partition, and proceed with a clean Windows installation. Alternative Workaround: Disabling VMD Controller in BIOS
You must manually supply this driver during the Windows setup process via a USB flash drive. 2. How to Download the Correct Acer N20C5 Storage Driver
Because this setup is relatively new, standard Windows ISO files often lack the specific Intel Rapid Storage Technology (IRST) VMD driver needed to "see" the NVMe M.2 SSD.
—you likely hit a frustrating wall: the "We couldn't find any drives" error. Acer Community
If you cannot find the driver on Acer’s website for your specific model, you have two options:
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This 2,500+ word guide will explain everything you need to know about the N20C5 storage controller, why it is critical, where to find the official driver (including Intel RST and AMD variants), and how to properly install or update it.
Copy this entire unzipped folder onto the root directory of your . Step 2: Boot Into Windows Installation Insert the USB drive into your Acer N20C5.
The bootable flash drive you are using to install Windows on the Acer N20C5.
To get the exact driver meant for your motherboard hardware, always download directly from the official manufacturer.
Click the button located at the bottom left of the window. Click Browse in the pop-up box.
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Check if your N20C5 supports PCIe Gen 3 or Gen 4 NVMe. Use CrystalDiskMark to benchmark. Also, install the latest Acer N20C5 chipset driver – it includes PCIe root complex drivers that affect storage performance.