If Device Manager shows a yellow exclamation mark next to the Intel RST controller with an error like “This device cannot start,” try the following:
If the setting is hidden or grayed out, press while on the Main tab to reveal hidden developer options on certain Acer firmware. Save your settings and restart the computer. acer n20c5 storage driver
Modern Acer laptops with 11th Gen Intel processors (and newer) use a feature called . This technology optimizes how the system communicates with NVMe SSDs. However, standard Windows installation media often lacks the specific driver needed to "see" the drive through this VMD controller. Where to Download the Official Driver If Device Manager shows a yellow exclamation mark
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 This technology optimizes how the system communicates with
Locate your USB drive in the file tree and select the folder where you extracted the Intel RST drivers. Click .
If you are currently installing Windows and the drive is not showing, follow these steps:
🚀 Disabling VMD is faster, but using the IRST driver is the "correct" way to maintain peak SSD performance. Common Troubleshooting