sudo dd if=/dev/sda bs=512 count=1 | hexdump -C
@ mr_raider ... oh, now, I wonder what you are up to, sneaky fellow !!!
Of course, we all can get almost anything working, and we have here, but, many Internet articles will certainly caution you about this UEFI thing and dual booting and ESPECIALLY about dual booting with Windows. One I like to read is AdamW:
and so on, like that.
https://www.happyassassin.net/2014/0...lly-work-then/
@ mr_raider ... oh, now, I wonder what you are up to, sneaky fellow !!!
Of course, we all can get almost anything working, and we have here, but, many Internet articles will certainly caution you about this UEFI thing and dual booting and ESPECIALLY about dual booting with Windows. One I like to read is AdamW:
Recommendations
The following are AdamW’s General Recommendations On Managing System Boot, offered with absolutely no guarantees of accuracy, purity or safety.
If you can possibly manage it, have one OS per computer. If you need more than one OS, buy more computers ... Everything will be nice and easy and work. You will whistle as you work, and be kind to children and small animals. All will be sweetness and light. Really, do this.
If you absolutely must have more than one OS per computer, at least have one OS per disk ...
If you absolutely insist on having more than one OS per disk, understand everything written on this page, understand that you are making your life much more painful than it needs to be, lay in good stocks of painkillers and gin, and don’t go yelling at your OS vendor, whatever breaks. Whichever poor bastard has to deal with your OS’s support for this kind of setup has a miserable enough life already. And for the love of cookies, don’t mix UEFI-native and BIOS-compatible OS installations, you have enough pain to deal with already ...
The following are AdamW’s General Recommendations On Managing System Boot, offered with absolutely no guarantees of accuracy, purity or safety.
If you can possibly manage it, have one OS per computer. If you need more than one OS, buy more computers ... Everything will be nice and easy and work. You will whistle as you work, and be kind to children and small animals. All will be sweetness and light. Really, do this.
If you absolutely must have more than one OS per computer, at least have one OS per disk ...
If you absolutely insist on having more than one OS per disk, understand everything written on this page, understand that you are making your life much more painful than it needs to be, lay in good stocks of painkillers and gin, and don’t go yelling at your OS vendor, whatever breaks. Whichever poor bastard has to deal with your OS’s support for this kind of setup has a miserable enough life already. And for the love of cookies, don’t mix UEFI-native and BIOS-compatible OS installations, you have enough pain to deal with already ...
https://www.happyassassin.net/2014/0...lly-work-then/
mr_raider addressed that above: basically, somehow, in the older traditional MBR space (on your drive), you installed some older GRUG legacy code, which is not what you want or need for your setup. Not to worry, though, that code, in the first 512 bytes, will just sit there, idle, harmless, and not cause any problems (unless, in the unlikely event, you, as mr_raider pointed out, somehow allow your computer to boot in the older BIOS legacy mode). As he says, if you ever re-do your entire disk or something, he/we can show you how to clear out that old MBR garbage. (Many people probably have junk like this laying around their disks, either at the beginning of a disk or at the very end -- not to worry, though.)
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