Yesterday I could not connect this laptop HDMI port to a monitor and make it work using USB-C Dock and Ultra Dock.

My first primary laptop is Lenovo 470 (32 GB memory and 2TB SSD, Windows 10 Pro).

I bought my second laptop less than a week ago that is 470s (16GB and 256GB SSD & Windows 11 Pro) and has less memory and hard drive space and that is OK with but it is very light. I bought a 6 TB external hard drive for this laptop because 256 SSD is very low.

Yesterday I could not connect this laptop HDMI port to a monitor and make it work using USB-C Dock and Ultra Dock. I bought another Ultra Dock for this laptop too.

I downloaded the latest BIOS firmware from Lenovo webpage & upgraded my laptop and everything works correctly.

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