On Mon, May 4, 2020 at 7:17 AM François P. Rotzinger <[email protected]> wrote:
> Dear Patrice, Rog, Wiebe, and Jose, > > Many thanks for your help! Here is the summary of the outcome: > > To boot a (Linux) USB key, one has to put in the "settings": "secure boot" > and "Intel platform technology": disabled, and in "configuration": storage > - controller mode: AHCI mode. The latter damages the windows partition, and > there is a warning, when this change will be applied. > > Then, boot with F12 works, and 20.04 installation works fine on this > machine. > > The windows partition is no longer bootable, and since I did not buy the > media, I was unable to repair this partition (I do not really need windows; > I wanted to make a dual boot system by curiosity). > > So, finally, I also recovered the windows space for Linux. > > ".ch" is Switzerland. > > Best regards, > > François > I also have an Ideapad and have gone through the process of changing boot settings recently. It turns out changing your system to AHCI mode does not harm Windows; it does make it unbootable, but all that's required is to boot Windows in safe mode and then change some setting. Once that setting is changed, you can reboot in Windows in its normal mode. I don't remember what the setting is exactly (although I think it had something to do with removing the RST devices from Device Manager); google something like "switch windows to ahci" to find the instructions. Certain Linux distros may still have issues booting in UEFI mode, too, although I don't think modern Ubuntu derivatives really care. In that case, change the option in the BIOS setup that toggles between UEFI and "Legacy" or "Compatibility" mode (it might say something in the on-screen help about booting an older OS). > > On Fri, Apr 24, 2020 at 5:54 AM François P. Rotzinger <[email protected]> > wrote: > >> Greetings, >> >> I have bought a Lenovo Ideapad S540 Laptop with Windows 10 installed and >> failed to install Xubuntu. >> >> The USB key was prepared with dd and I checked on another Laptop that it >> is bootable. >> >> When I stop booting with F12 (S540), only the Windows boot device >> (Windows boot manager) shows up - the USB key is not seen. >> >> I played also with the BIOS (F2), but was unable to set it up in such a >> way that the USB key appears with F12. Could you please give me a hint how >> to boot the USB key. I would like to make a dual-boot system. >> >> Thanks a lot! Best regards, >> >> -- >> François P. Rotzinger >> Chemin des Vignes 20 >> CH-1373 Chavornay >> >> -- >> xubuntu-users mailing list >> [email protected] >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/xubuntu-users > > > -- > François P. Rotzinger > Chemin des Vignes 20 > CH-1373 Chavornay > > -- > xubuntu-users mailing list > [email protected] > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/xubuntu-users > -- Eric Christopherson
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