Lenovo P71 Windows 10 Pro Upgrade from 20H2 to 21H1 fails with Intel RST: The inbox storage driver iastora.sys doesn’t work on these systems

driversintel-rstwindows 10windows-10-upgrade

Trying to upgrade Windows 10 Pro from 20H2 to 21H1, actually trying to fix another issue (Lenovo P71 (Windows 10, NVidia M620 graphics card) with an external Dell U3818DW 21:9 monitor changes resolution between system restarts (too small)), results in:

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Error:

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I downloaded and installed some Intel RST drivers that seemed to match, however I still get the same error message over and over again, preventing me to upgrade.

Device manager (sorry, it's all German):

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EDIT 1:

I tried to uninstall the SATA AHCI Controller device according to https://www.howtoedge.com/fix-update-fail-bsod-error-iastora-sys-on-windows-10/ but I still get the same error.

QUESTION/S:

How do I make the upgrade pass?

What's the driver needed for anyway, given that my storage device is a Samsung? Is it something else?

How do I find the correct driver blocking the Windows 10 Upgrade??

Best Answer

You can do 3 things with this driver:

All are referenced here:

Intel RST

Solution One – Reset the Startup Intel® RST Service. Find this in Services.

Solution Two – Update the Intel® RST driver. Either in Device Manager or via Lenovo System Update / Vantage. You can also look in the Intel Download Centre for your specific model of laptop.

Three: Uninstall the Driver. Select Device Manager. Find and expand the Disk drives catalog. Right-click on Intel® Rapid Storage Technology and choose Uninstall device.

If none of the above (specifically 3 - uninstall) work, you may need to try a Window 10 Repair Install from the Microsoft Media Creation Link.

https://www.microsoft.com/en-us/software-download/windows10

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