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Setting it up it just a very straightforward matter of creating an empty /boot/grub/custom.cfg file and copy/pasting the complete custom entry that I provided into it as plain text. Alternatively, you can copy/paste it into your existing /etc/grub.d/40_default file and run sudo update-grub to pick i...

Have you disabled Windows so-called "fast startup"? See here.

When the BIOS boots to the Linux drive it just goes straight to Linux without offering a GRUB menu of any kind. That's "normal' LM20 behaviour if update-grub (os-prober) finds no OS installation other than Mint itself. In that case, there is nothing in /boot/grub/grub.cfg to override the /etc/...

You're welcome. Happy to help and glad it worked out as you wanted it to.

I have build an USB with Rufus 3.11 and GPT and tried both Fat32 and NTFS. Not exactly sure how that Rufus/GPT/Fat32/NTFS procedure all adds together, but the "VFS: Unable to mount root fs on unknown-block(0,0)" result seems like something that would be more likely to arise from a bad ISO...

So, no matter what happened, I believe that the data should be intact in the /dev/sda2 partition - because I did not ask to format it. Recovering that would be my first priority. Unfortunately, given the history you've described, I'd suspect a catastrophic drive failure, and such failures aren't ne...

Seems like the topic title issue has been resolved. If you agree, I'd suggest marking this thread accordingly and dealing with any other issues under a new topic. More likely to get relevant responses that way.

UEFI-GPT booting is what most people would probably choose for a new system. If that's what you decide, booting the Mint "live" installation media in UEFI mode is the critical determining factor. Then, just wipe out your existing Mint installation by changing /dev/nvme0n1 from an MBR drive...

The system boot modes to which I referred are the two that I mentioned: UEFI-GPT and BIOS-MBR. In each case, the first term ( UEFI or BIOS ) refers to a type of system firmware and the second term ( GPT or MBR ) refers to a drive's partition structure. Detailed understanding of the two possibilities...

I am very much learning linux so bear with me please. i have installed linux mint 20 when the pc starts it goes directly to a black screen with grub> , like in a terminal i have to type exit and system loads the GUI everything runs fine after that. is there a way to stop going to grub and straight ...

System firmware, either BIOS or UEFI, and its NVRAM settings control the system itself and its start-up processes prior to its hand-off of control to the boot loader of any OS software that is installed on any storage device. Among other things, it is responsible for the initialization of devices an...

yes unfortunately thats the case. well, my bios looks completely different. Strange that Lenovo would be so completely wrong about their own machine. Are you sure that it's an X270? Does it look like this with matching specs? In any case, the answer to booting any machine with a USB-attached drive ...

My win 10 is installed on UEFI mode so that I am trying to install linux mint 20 on UEFI too .. I downloaded an iso file and burned it with rufus ... With Rufus, the proper boot mode must be specified for the ISO burn process. Did you tell it that you wanted and did it give you UEFI mode booting fo...

Yeah, Rufus fools lots of people like that. You must select the boot mode option you want when burning the ISO to the USB stick. You still just select the drive (not a partition) for installing the Grub boot loader. But it doesn't matter so much when the "live" installation media is booted...

OK so its NOT Mint that is the issue.. It appears this must be Operator Malfunction - but it annoys the dickens out of me.. that I have not been able to figure this out.. There must be a setting in the system that causes this to be a problem.. still open to suggestion Are you trying to install to a...

Are you saying that Lenovo's own on-line "How to Boot From a USB Drive" instructions here don't work? Additional KB articles and documentation for that X270 model are available here.

It should, perhaps, be noted that any existing Windows(?) boot loader that was previously installed into that drive's MBR will be overwritten. That's no great loss as Grub can launch the existing Windows installation. If no such Windows launch option appears in the Grub boot menu on first booting th...

Machine: Type: Laptop System: LENOVO product: 80XS v: Lenovo ideapad 320-15ABR serial: <filter> Chassis: type: 10 v: Lenovo ideapad 320-15ABR serial: <filter> Mobo: LENOVO model: LNVNB161216 v: SDK0J40700WIN serial: <filter> UEFI [Legacy]: LENOVO v: 5QCN24WW date: 07/29/2019 <<===== One additional ...

You're welcome. Hope it all works out well for both of you.

Good. Glad you were able to sort it out. You needn't feel lonely. I would "guesstimate" that at least half the problems reported here involve system configuration issues one way or another.