So, I am basically a Linux user and just hop onto Windows whenever I want to play games or anything stupid. Most of my games now actually run when secure boot is enabled but as I am using Kali already as my main and working OS. So, is it possible that I can enable secure boot and when I am done using Windows I restart disable the secure boot and run grub boot loader which is by default right now? Or will it cause errors? I don't know how to properly signed os right now.

I dual booted windows 11 and Endeavor OS on my HP notebook without any problem, but after a BIOS update the Boot options menu listed Endeavour os as EFI hard drive. Also now the OS boot manager doesn't show Endeavour os as another OS and thus cannot choose the os on bootup. Any help would be much appreciated.

I am trying to dual boot Linux on my laptop (Dell XPS 15) which is running Windows 10 Pro. I did not have any problem dual booting the two operating systems on my desktop. I cannot boot up **ANY** Linux Distro, I have tried Mint, Ubuntu and Elementary OS. Whenever I try to boot from a live USB, I get the this message on all attempts: **GNU GRUB version 2.02~beta2-9ubuntu1** **Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists are possible device or file completions.** **grub>** When I type in "boot" I get the error: **you need to load the kernel first.** Secure boot is disabled, and I have tried both in legacy and UEFI BIOS mode. I have never come across this error before, what causes it?

I’m using Parrot OS in dual boot with Windows 10. One day Windows just stopped booting from GRUB with next error:

/EndEntire
file path: /ACPI(a034d0,0)/PCI(1,1)/PCI(0,0)/UnknownMessaging(17)/HD(1,800,32000,f452754febf9674d,2,2)
/File(\EFI\Microsoft\Boot)/File(bootmgfw.efi)/EndEntire 
error: cannot load image.
I have tried using boot-repair to fix this but it didn’t help. Here is its log: http://paste.ubuntu.com/p/6SXYdWxwxh/ 

When I try to boot Windows directly from BIOS, the screen just blinks for a second and nothing happens. Linux is working fine. have tried using boot-repair to fix this but it didn’t help. Here is its log: http://paste.ubuntu.com/p/6SXYdWxwxh/ Secure boot in BIOS is set to off.

ssh clients (by default, at least in Ubuntu 18.04 and FreeBSD 12) always check if server's key fingerprint is in the known_hosts file. I have a host in the LAN which has dual boot; both the OSs use the same static IP. I would like to connect through ssh to **both** of them, without encountering errors. This obviously violates the checks performed on known_hosts: if I accept one fingerprint, it will be related to the host IP; when OS is switched, the fingerprint changes, while the IP is the same, and I need to manually delete it in known_hosts before being able to connect again. I would like that one fingerprint, **or** the other, is accepted when considering that IP. Is there a **client side** solution to overcome this issue? I am using OpenSSH_7.8p1, OpenSSL 1.1.1a-freebsd 20 Nov 2018 and OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017. **Note**: I do not want "no check" over the server's fingerprint. I am just wondering if it is possible to relate two alternative fingerprints (not just one) to server's IP address.

I am attempting to install a dualboot (Ubuntu on top of Windows 10) to a PC I have just built myself. I have no problem installing Ubuntu, its just I am unable to setup my computer to boot into it afterwards. During the instalation I am told that the GRUB does not install properly and I also hit errors when trying to run a boot repair program in terminal. I am creating the installation using Rufus, and making use of the MBR parition scheme. The Disk I am creating it on is GPT, but when I try use this partition scheme in Rufus an error scheme comes up when I try boot this from a USB stick. This is shown in the next image (and note my bios mode is set to UEFI). For reference my motherboard is a "MSI B450 TOMAHAWK MAX Motherboard ATX". What is the best course of action to take? I found some videos that showed how to convert my from UEFI to legacy boot and to change my disk to a MSB partition, would this be the best solution or will this create further problems down the line?

In a simple install of Redhat from rhel-8.10-x86_64-dvd.iso I have this /boot/efi/EFI/BOOT/BOOTX64.EFI /boot/efi/EFI/BOOT/fbx64.efi /boot/efi/EFI/redhat/grubx64.efi /boot/efi/EFI/redhat/mmx64.efi /boot/efi/EFI/redhat/shimx64.efi /boot/efi/EFI/redhat/shimx64-redhat.efi Can a quick explanation be given of each? On a Dell server, in the F11 boot menu when making an Add Boot option, which of the above is the proper one to choose?

I'm using a red hat developer subscription, so no official support from red hat. I have a rhel 9.6 installed to a 2TB nvme SSD, whose partitions are as follows: - 1 : 600MB (EFI) - 2 : 1GB (forget what it is, seemed to be a rhel boot-related partition) - 3 : 904.01GB (rhel main partition) - 4 : 200GB (a Windows 11 system partition) - 5 : 200GB - 6 : 557.41GB After I executed `dnf update and reboot` as normal, grub cannot find any of my rhel kernel(including rescue mode). The only thing grub found was Windows boot manager. Then I boot into Windows to check my partitions, finding that all my partitions were fine. So how to find my rhel back? Please help.

The ethernet works fine and everything else seems fine. I have disabled fast boot from Windows 11. I know it's not a hardware issue because my Wi-Fi card (Intel) works on Windows and worked on a previous Debian system I had on another hard drive. I have downloaded iwlwifi, but I am getting errors such as in dmesg:

[ 9437.311118] iwlwifi 0000:00:14.3: mac start retry 2

My kernel is up to date, shown by the output of uname r:

6.1.0-37-amd64

ip a:

1: lo:  mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: enp3s0:  mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether d8:43:ae:03:5f:42 brd ff:ff:ff:ff:ff:ff
    inet 192.168.50.226/24 brd 192.168.50.255 scope global dynamic noprefixroute enp3s0
       valid_lft 85427sec preferred_lft 85427sec
    inet6 fe80::84ec:5e5:4e87:f4db/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: wlo1:  mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 92:a0:88:5e:60:7b brd ff:ff:ff:ff:ff:ff permaddr bc:03:58:2d:af:f0
    altname wlp0s20f3

lspci:

0000:00:00.0 Host bridge: Intel Corporation Raptor Lake-P 6p+8e cores Host Bridge/DRAM Controller
0000:00:01.0 PCI bridge: Intel Corporation Raptor Lake PCI Express 5.0 Graphics Port (PEG010)
0000:00:02.0 VGA compatible controller: Intel Corporation Raptor Lake-P [Iris Xe Graphics] (rev 04)
0000:00:04.0 Signal processing controller: Intel Corporation Raptor Lake Dynamic Platform and Thermal Framework Processor Participant
0000:00:06.0 System peripheral: Intel Corporation RST VMD Managed Controller
0000:00:08.0 System peripheral: Intel Corporation GNA Scoring Accelerator module
0000:00:0e.0 RAID bus controller: Intel Corporation Volume Management Device NVMe RAID Controller Intel Corporation
0000:00:14.0 USB controller: Intel Corporation Alder Lake PCH USB 3.2 xHCI Host Controller (rev 01)
0000:00:14.2 RAM memory: Intel Corporation Alder Lake PCH Shared SRAM (rev 01)
0000:00:14.3 Network controller: Intel Corporation Raptor Lake PCH CNVi WiFi (rev 01)
0000:00:15.0 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #0 (rev 01)
0000:00:16.0 Communication controller: Intel Corporation Alder Lake PCH HECI Controller (rev 01)
0000:00:1c.0 PCI bridge: Intel Corporation Device 51b8 (rev 01)
0000:00:1c.5 PCI bridge: Intel Corporation Alder Lake-P PCH PCIe Root Port (rev 01)
0000:00:1f.0 ISA bridge: Intel Corporation Raptor Lake LPC/eSPI Controller (rev 01)
0000:00:1f.3 Multimedia audio controller: Intel Corporation Raptor Lake-P/U/H cAVS (rev 01)
0000:00:1f.4 SMBus: Intel Corporation Alder Lake PCH-P SMBus Host Controller (rev 01)
0000:00:1f.5 Serial bus controller: Intel Corporation Alder Lake-P PCH SPI Controller (rev 01)
0000:01:00.0 VGA compatible controller: NVIDIA Corporation AD106M [GeForce RTX 4070 Max-Q / Mobile] (rev a1)
0000:01:00.1 Audio device: NVIDIA Corporation AD106M High Definition Audio Controller (rev a1)
0000:03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
10000:e0:06.0 PCI bridge: Intel Corporation Raptor Lake PCIe 4.0 Graphics Port
10000:e1:00.0 Non-Volatile memory controller: MAXIO Technology (Hangzhou) Ltd. NVMe SSD Controller MAP1602 (DRAM-less) (rev 01)

dmesg | grep net:

[    7.478761]  devinet_ioctl+0x392/0x7b0
[    7.478774]  inet_ioctl+0x1ae/0x1e0
[    7.685144]  devinet_ioctl+0x392/0x7b0
[    7.685157]  inet_ioctl+0x1ae/0x1e0
[    7.888357]  devinet_ioctl+0x392/0x7b0
[    7.888362]  inet_ioctl+0x1ae/0x1e0
[    8.095664]  devinet_ioctl+0x392/0x7b0
[    8.095672]  inet_ioctl+0x1ae/0x1e0
[    8.303182]  devinet_ioctl+0x392/0x7b0
[    8.303188]  inet_ioctl+0x1ae/0x1e0
[    8.506412]  devinet_ioctl+0x392/0x7b0
[    8.506421]  inet_ioctl+0x1ae/0x1e0
[   19.197826]  devinet_ioctl+0x392/0x7b0
[   19.197828]  inet_ioctl+0x1ae/0x1e0
[   19.197843]  ? inet_ioctl+0xd8/0x1e0
[   19.393622]  devinet_ioctl+0x392/0x7b0
[   19.393624]  inet_ioctl+0x1ae/0x1e0
[   19.393638]  ? inet_ioctl+0xd8/0x1e0
[   19.589894]  devinet_ioctl+0x392/0x7b0
[   19.589896]  inet_ioctl+0x1ae/0x1e0
[   19.589911]  ? inet_ioctl+0xd8/0x1e0
[   19.786597]  devinet_ioctl+0x392/0x7b0
[   19.786602]  inet_ioctl+0x1ae/0x1e0
[   20.003916]  devinet_ioctl+0x392/0x7b0
[   20.003928]  inet_ioctl+0x1ae/0x1e0
[   20.208988]  devinet_ioctl+0x392/0x7b0
[   20.209001]  inet_ioctl+0x1ae/0x1e0
[   30.195141]  devinet_ioctl+0x392/0x7b0
[   30.195144]  inet_ioctl+0x1ae/0x1e0
[   30.390248]  devinet_ioctl+0x392/0x7b0
[   30.390251]  inet_ioctl+0x1ae/0x1e0
[   30.588620]  devinet_ioctl+0x392/0x7b0
[   30.588627]  inet_ioctl+0x1ae/0x1e0
[   30.795221]  devinet_ioctl+0x392/0x7b0
[   30.795245]  inet_ioctl+0x1ae/0x1e0
[   30.998801]  devinet_ioctl+0x392/0x7b0
[   30.998806]  inet_ioctl+0x1ae/0x1e0
[   31.203105]  devinet_ioctl+0x392/0x7b0
[   31.203127]  inet_ioctl+0x1ae/0x1e0
[   41.215989]  ? inet_ioctl+0xd8/0x1e0
[   41.216580]  devinet_ioctl+0x392/0x7b0
[   41.216605]  inet_ioctl+0x1ae/0x1e0
[   41.429866]  devinet_ioctl+0x392/0x7b0
[   41.429891]  inet_ioctl+0x1ae/0x1e0
[   41.634575]  devinet_ioctl+0x392/0x7b0
[   41.634580]  inet_ioctl+0x1ae/0x1e0
[   41.831446]  devinet_ioctl+0x392/0x7b0
[   41.831449]  inet_ioctl+0x1ae/0x1e0
[   42.027082]  devinet_ioctl+0x392/0x7b0
[   42.027085]  inet_ioctl+0x1ae/0x1e0
[   42.223520]  devinet_ioctl+0x392/0x7b0
[   42.223523]  inet_ioctl+0x1ae/0x1e0
[   52.224482]  devinet_ioctl+0x392/0x7b0
[   52.224512]  inet_ioctl+0x1ae/0x1e0
[   52.432187]  devinet_ioctl+0x392/0x7b0
[   52.432215]  inet_ioctl+0x1ae/0x1e0
[   52.638609]  devinet_ioctl+0x392/0x7b0
[   52.638640]  inet_ioctl+0x1ae/0x1e0
[   52.844039]  devinet_ioctl+0x392/0x7b0
[   52.844044]  inet_ioctl+0x1ae/0x1e0
[   53.047908]  devinet_ioctl+0x392/0x7b0
[   53.047921]  inet_ioctl+0x1ae/0x1e0
[   53.251044]  devinet_ioctl+0x392/0x7b0
[   53.251046]  inet_ioctl+0x1ae/0x1e0
[   64.207542]  devinet_ioctl+0x392/0x7b0
[   64.207556]  inet_ioctl+0x1ae/0x1e0
[   64.415526]  devinet_ioctl+0x392/0x7b0
[   64.415539]  inet_ioctl+0x1ae/0x1e0
[   64.625743]  devinet_ioctl+0x392/0x7b0
[   64.625746]  inet_ioctl+0x1ae/0x1e0
[   64.825079]  ? inet_ioctl+0xd8/0x1e0
[   64.825169]  devinet_ioctl+0x392/0x7b0
[   64.825172]  inet_ioctl+0x1ae/0x1e0
[   65.021692]  devinet_ioctl+0x392/0x7b0
[   65.021697]  inet_ioctl+0x1ae/0x1e0
[   65.239627]  devinet_ioctl+0x392/0x7b0
[   65.239649]  inet_ioctl+0x1ae/0x1e0

I don't know what other information would be useful, so just ask and I should be able to provide it. I have spent a good amount of time troubleshooting, but I am new to Linux and don't have a ton of Comp Sci experience.

I've been dual booting Ubuntu on my laptop and for a few months its been perfect. Today however when booting up this error has appeared, and despite numerous restarts nothing has resolved it: Kernel panic - not syncing: Timeout: Not all CPUs entered broadcast exception handler Kernel Offset: disabled Rebooting in 30 seconds. When booting into Windows 10 I have no problems or issues, so I dont think its a hardware issue, maybe an update that has prevented an Ubuntu boot. I've looked around for solutions but most say it's a hardware issue (which I doubt) or I need to update the Intel Microcode, however if I can't load into Ubuntu and install it how can I possibly update the microcode?

I am dual booting a Dell Precision 7520 with Fedora 35 and Windows. Worked fine with Windows 10. "Up"graded to Windows 11 and now every time I boot into W11 it puts its own boot loader ahead of "fedora" in UEFI Setup. So every time after booting into W11, I need to hit F2 and reset the boot order in the UEFI Setup. I've developed a workaround, but it doesn't survive an update to W11's bootmgfw.efi file, nor an update to grub.cfg. Nevertheless, my solution means that I can go for many months without having to do it again. Here is my workaround: 1. boot into Linux 2. Make a backup of the MS Boot directory, just in case:

cd /boot/efi/EFI/Microsoft
cp -a Boot Boot.bak

3. Then do the following,

cd /boot/efi/EFI/Microsoft/Boot
cp -p bootmgfw.efi bootmgf2.efi
cp -p /boot/efi/EFI/fedora/grubx64.efi bootmgfw.efi
cd /boot/efi/EFI/fedora
cp -p grub.cfg grub.cfg.bak

4. Now edit grub.cfg and replace "bootmgfw" with "bootmgf2" (note that the real grub.cfg might be in /boot/grub2 rather than in /boot/efi/EFI/fedora) 5. reboot Now when Windows 11 puts itself top of the list in the boot order, and boots its bootmgfw.efi, it is actually booting grubx64.efi, which loads grub.cfg. As mentioned, you'll have to repeat steps 3 and 4 when bootmgfw.efi and/or grub.cfg are updated. I turned the above into a script which I only have to run once every several months when W11 updates its bootmgfw.efi file. Given the non-permanent nature of the above solution, is there a better solution? Note that after weeks of researching this problem, I came across a solution suggested by "Piotr" a few years ago to reset Windows "{bootmgr}" to \EFI\fedora\grubx64.efi, but that didn't work. Windows had no idea about \EFI\fedora...

I am facing while dual-booting Windows and Fedora on my system. I have Fedora installed on an external SSD and Windows on the laptop's internal SSD. Every time I start my laptop, it directly boots into Windows. If I want to boot into Fedora manually, I have to press the esc button (I have a HP Pavillion laptop) while the laptop is loading to go to the boot menu, then start the UEFI-Fedora boot option, which then opens the Grub menu to choose Fedora. This is a very annoying issue, and I have tried almost all possible ways from YouTube, but they are not working and the Windows boot manager is opening by default. Please help me solve this problem.

I'm using dual boot Windows 11 and Fyde OS. On my bootloader screen there are 3 other boot options which are not any OS, they are EFI and recovery partition. I want only Windows and Fyde OS boot logo on my bootloader screen. The boot manager is rEFInd boot manager which got installed automatically with Fyde OS. I also have Linux environment installed on Fyde OS.

I've tried everything mentioned on the answers mentioned in the following post: https://unix.stackexchange.com/questions/255509/bluetooth-pairing-on-dual-boot-of-windows-linux-mint-ubuntu-stop-having-to-p But I've made no progress. A few details about my system: Keyboard: Logitech K380 (Bluetooth) Distributor ID: Ubuntu Description: Ubuntu 20.04.2 LTS Release: 20.04 Codename: focal Windows 10 (Latest edition as of writing this post) After changing my keys in linux to the ones from windows, the keyboard connects for a fraction of a second, before disconnecting, and I'm unable to understand why. My keyboard has 3 profiles that I can switch from and I tried all combinations of profile choice in windows and linux. I've spent quite a few hours on this and any help would be appreciated. Please let me know if I am missing any details that might help.

I am trying to dual boot on my laptop. And i have decided to create two partition in my ssd and hdd. I want create a partition in ssd for "/" root directory and a partition in the hdd for my "/home" directory of my ubuntu setup. And now my question is, Where will be "/usr" user directory will be set? Is it on the ssd partition? And by default, where are apps that i installed is set? I have come to know that its the user directory. Can i change the directory of apps installing to "/home" directory instead of "/usr" directory? Because, I dont have many space on my ssd. Thanks in advance...

A couple years ago I set up a computer build with an ASUS motherboard for running POP! OS. Then, shortly afterward, I purchased a second hard drive, and I installed windows on it for a dual-boot, using windows bootloader. The problem, now, is the Windows drive got broken, and when I try to boot to just the POP! OS installation the only option to boot to in the BIOS is windows boot manager, and when I boot to it I get a blue screen, and some options, but no matter what option I choose, they all just reboot the system and repeat the process. I am wondering is there a way I can revert to a normal boot using just the POP! OS grub as it was before? Someone else on this forum had a similar issue: https://unix.stackexchange.com/questions/688253/windows-breaks-bootloader-in-dual-boot-with-pop-os but their problem is currently unresolved. Any help is appreciated!

Every time I boot into Windows (11/10) on my dual-boot system, the GRUB entry vanishes from the UEFI boot menu. I reinstall GRUB from a live Kali USB, and the entry comes back. Then I reboot into Windows, and—poof—it's gone again. Even mounting the EFI partition shows no GRUB files. **System Details:** Motherboard: Gigabyte B550M DS3H BIOS Version/Date: American Megatrends International, LLC. F2, 22-03-2024 Distribution: Kali Linux (UEFI install) Disk Setup: NVMe drive with GPT partitioning EFI partition: FAT32, mounted at /boot/efi Windows: UEFI install, Fast Startup OFF, Bitlocker OFF, Secure Boot OFF **What I've Tried:** Reinstalled GRUB using:

sudo grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=kali
sudo update-grub

Checked and modified UEFI entries with efibootmgr; GRUB shows up but disappears after rebooting Windows. Disabled Windows Fast Startup, Secure Boot, and Bitlocker. Mounting the EFI partition shows no GRUB or /EFI/GRUB content after disappearances. After mounting the EFI partition /dev/nvme0n1p1, in a live system I see only the /EFI/Microsoft folder. /EFI/kali or grubx64.efi is completely missing. What is removing the GRUB entry/EFI files? Is it Windows itself, firmware updates, or something else? How can I make the UEFI entry for Kali persist through Windows boots? Are there any EFI tweaks or BIOS settings I’m missing?

I've installed many versions of ubuntu along side windwos 7, 8 and 10, but a friend wanted me to install scientific linux 7 along side her Windows 10 on her laptop. Two questions: 1) Does Scientific Linux have an easy dual boot installer like Ubuntu does? 2) Any problems specific with Scientific Linux I might run into?

I have an external drive with Linux Mint 18 on it. It boots to my desktop, which is where I used the live CD to install the OS onto the external drive. However, when I try to boot this external drive from my laptop, it will not boot. Now, I changed the boot menu, made sure I set "Secure Boot" to disabled, and verified that "UEFI boot" is set to enabled, and I still cannot get the drive to boot. I used EasyBCD to install a grub, but that also puts me into the grub menu upon boot. I am not able to see the drive in windows explorer, but it is in the Manage Disks. I tried all of the EasyBCD grub options to no avail. Am I missing something? I do not want to take a chance and install the grub from the command when it first boots, (I get this message: Minimal BASH-like line editing is supported. For the first word. TAB lists possible command completions. Anywhere else TAB Lists possible device or file complete) because I do not want to take that chance and wipe out my windows boot, or more. When I boot it to my desktop, I get the options from grub asking whether to boot to Linux or Windows. What am I missing? Can I just add a grub through EasyBCD and if so, which procedure is it? I would like to get this grub on my laptop so that when it boots, I get the option to boot to either Linux or Windows when the drive is plugged in. I want to be able to install this drive to any computer and be able to boot into the Linux OS on this external drive. Even if I have to change the BOIS setting upon boot. That does not bother me. I was also thinking of just reinstalling the live CD again, only this time, use my laptop to perform the install to "the same" external drive I have Linux Mint 18 on right now. Basically overwriting the OS to the same OS. This way, the grub is on my laptop as well. However, when I do this, I was thinking about removing the two drives I have in the laptop before installing. My question about this is, "if I do remove the drives, will this work, because I didn't remove the drive from my desktop when I installed the initial OS on the external drive. Does this grub play a role within the C:/? Any help would be greatly appreciated.

I have a Dell G3 17 3779 laptop.
It has sata HDD as hd0 and m.2 ssd as hd1. Both in GPT. I deleted everything in the ssd and installed Windows 10.
I used 4 partitions: - Windows recovery environment (499M) | /dev/sdb1 - EFI System (100M) | /dev/sdb2 - Microsoft reserved (MSR) (16M) | /dev/sdb3 - Main Windows NTFS partition (70G) | /dev/sdb4 Also I added for Arch Linux 2 partitions: - For / (47.7G) | /dev/sdb5 - For swap (980.3M) | /dev/sdb6 HDD disk has 2 partitions: - Microsoft reserved (MSR) (16M) | /dev/sda1 - Some NTFS (900G) | /dev/sda2 After Windows I installed arch linux from UEFI following the wiki manual. GRUB was installed with the usual grub-install without keys I tried to configure GRUB with manual config: */boot/grub/grub.cfg* . $prefix/menu.cfg */boot/grub/menu.cfg* set default=0 set timeout=10 menuentry "ArchLinux" { linux /boot/vmlinuz-linux root=/dev/sdb4 rw initrd /boot/initramfs-linux.img } menuentry "Windows" { regexp -s root '\((.+)\)' "$cmdpath" chainloader /EFI/Microsoft/Boot/bootmgfw.efi } After rebooting just started Windows 10 without any boot menus. I installed os-prober and tried grub-mkconfig and get some warning like:
WARNING: Failed to connect to lvmetad. Falling back to device scanning.
or
WARNING: Device /dev/loop0 not initialized in udev database even after waiting 10000000 microseconds. Instead /dev/loop0 was in all partitions. And still booting only Windows. May be it because my HDD is first in BIOS unlike SSD (hd0 vs hd1)? How to fix this problem? *update:* this answer https://askubuntu.com/a/816347/879272 allows me to open grub. But why BIOS started EFI/Microsoft/Boot/bootmgfw.efi ignoring another boot loaders.
Can I disable this behavior?