I'm not sure this issue will get to who it needs to, but I have found a couple of issues with the Yoga C630 WOS Firmware version 1.33.

First is that it no longer boots off of USB keys that are larger than 32GB without a little... help...  If you put 2 USB keys that are larger than 32GB in (so 1 in each USB port), then the one on the left side (sim card, power led) will show up as "UEFI: USB Hard Drive", whereas the one on the right (headphone jack, power button) will show up as "UEFI: USB USB Hard Drive" and it will boot from the device in the left port.

If only 1 USB key larger than 32GB is plugged in, it shows up as "UEFI: USB USB Hard Drive" and will not boot from it, even when selecting it with the boot prompt.  It simply boots into Windows.  Booting from a 128GB or even 256GB USB key was possible without the hoops of connecting multiple devices on the 1.23 firmware, so it would be nice if whatever change was made that makes this not work, could be reverted?

The second (possible) issue is that virtualization support isn't turned on.  This is unfortunate as it means that WSL2 (Windows Subsystem for Linux version2) is not supported on the Lenovo Yoga C630 WOS device, whereas the Samsung Galaxybook2 which has a firmware dated the same DOES have the support turned on, and WSL2 works on it.  It would be nice if the developers behind the firmware could enable the support. 

I'm not sure if this is the correct forum, or how to get these issues in front of the developers, but hopefully someone from Lenovo shows up and can pass the information on?  For context, I'm the Kali Linux developer that works on our WSL support, and am absolutely in love with the C630 device (I've purchased 2, and they both show the same issues despite build dates of around 6 months apart) and would love to have WSL2 support working on the Lenovo C630 as I find it more convenient to pack up and use compared to the Galaxybook2.

I've got exactly the same problem with firmware 1.33:

*USB boot devices above 32 GB not being detected in the boot menu

*Virtualization not working

Any chance Lenovo will fix these issues and release a new firmware?

If it wasn't for this topic I wouldn't have even known that the USB boot menu was capable of detecting USB boot devices whatsoever because all my drives are much larger than 32 GB! On top of that I cannot even boot anything from USB because it crashes on "starting ntfs partition service".

I did manage to dual boot using internal disk partitions as well as booting from a VHDX (Native Boot) - but the 164 third-party Qualcomm drivers needed to first be exported using PowerShell before being re-injected into an install.wim file that I wished to dual boot - otherwise there is no keyboard, touchscreen, trackpad or external wireless input support (except in recovery); Windows 10 on ARM sadly does not ship with a single driver that the C630 can utilize. 

I can confirm these issues on my C630. Is there a way to downgrade to 1.23

This is definitively something we need Lenovo to drop into a future firmware update and enable.

WSL2 needs it, Hyper-V for ARM needs it, both of these are on the way!

Hi,

I work with the Linux team in Lenovo and got pointed at this forum.  We don't officially support Linux on this product but I know the community has done some amazing work. 

I'll forward a note on to the product team and ask them to look at this posting, they might not have seen it yet.

Mark

Thanks Mark.

While the Linux support would be amazing, it still boots fine from 32GB USB keys as I mentioned.  The issue is more that in 9UCN23WW we were able to boot from USB keys up to 256GB (that I tested), and in 9UCN33WW only up to 32GB is supported.

WSL2 support would be even better, especially with the W10 GA of WSL2 right around the corner.  I'm not entirely sure what is required here, I just know that the Samsung Galaxybook2 supports it (something regarding EL2) and their firmware date is the same, but obviously, it's different UEFI firmware between the devices.

While I wouldn't suggest this.... If you do a factory reset, which involves some software from Lenovo to create a USB recovery drive, it will install with 9UCN23WW.  If you then do any Windows upgrades without the computer being plugged in to mains, it will not upgrade the UEFI firmware because doing so when the battery could die would put it in an unrecoverable state - it only needs to be unplugged during the initial reboot when the Lenovo logo is showing.

@ MarkRHPearson wrote:
 

 

Hi,

I work with the Linux team in Lenovo and got pointed at this forum.  We don't officially support Linux on this product but I know the community has done some amazing work. 

I'll forward a note on to the product team and ask them to look at this posting, they might not have seen it yet.

Mark

Is there anyone on the Firmware team for ARM at Lenovo who can be plugged in. We need the EL2/3 to be enabled I suspect and would be great to be able to use WSL2 on this machine since the other ARM systems seem to be able to do it already.

On the snapdragon 850 EL2 HYP  is used by trustzone. Its undocumented but using EL2 would be some sorta trustzone hackery... Im more interested in the usb recovery files that exist for this device mentioned earlier in the thread?