Questions tagged [boot]
Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
24,418
questions
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Droidcam UEFI secure boot error
I am using Ubuntu 18.04.4 with Dual boot Windows 10 on a Lenovo machine and trying to use THESE instructions to install Droidcam. When I do the installation, I get an error which says:
insmod: ERROR: ...
1
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0
answers
436
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Dual Boot System - SSD Having (Ubuntu 18.04 LTS) showing as unknown device
Laptop : Acer E5
Primary Drive: SSD (Ubuntu 18.04 Installed) 64bit
Secondary : HHD (Windows 10) 64bit
Boot Menu: Grub Gnu
I have set Under Windows the following "bcdedit /set {bootmgr} path \EFI\...
0
votes
0
answers
192
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UUI not showing in boot options
i want to reinstall ubuntu from a bootable USB, when i go into the startup menu on my hp elitebook it only shows me the options to boot into ubuntu recovery mode or simple ubuntu. I want it to boot ...
0
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1
answer
2k
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Grub menu not showing after recent Upgrade
I'm running Ubuntu 18.04 alongside Windows 10 in a dual-boot.
I was used to selecting what OS I can boot in the GRUB menu at startup.
Yesterday GRUB was upgraded to patch the Boot Hole security. Now ...
0
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1
answer
1k
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Fail on booting Ubuntu 20.04 installation USB
I'm using Windows 10 and trying to install Ubuntu 20.04 on my laptop using a bootable USB drive.
I received this error message before the loading page shows up: "Failure creating named object&...
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2
answers
1k
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Will resetting my Windows 10 (which is installed along with Ubuntu), mess up boot settings files?
I believe when we install Ubuntu alongside windows 10, a boot section is created with ubuntu boot settings alongside windows 10 boot section. If this section gets messed up somehow, the 'choose OS' ...
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267
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File system check during boot every time after resizing Ubuntu partitions
Recently I resized my Ubuntu partitions using gparted from a live USB. The problem is, after that every time I boot Ubuntu it does a file system check (so it says). During that check, Ctrl+C doesn't ...
2
votes
2
answers
2k
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Newly compiled kernel hangs at boot with no output
I need to develop some stuff in the kernel for my honours project but im stuck at simply getting a stock kernel to compile and boot.
I've followed a few recipes but all of them just result in the ...
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0
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232
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Ubuntu installer usb not bootable created with UNetbootin
I tried to install Ubuntu 20.04 LTS on my Windows PC for learning linux staff. So I installed UNetbootin app on my Macbook Pro (Catalina 10.15.3). There is no error during the whole process. However, ...
0
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answers
133
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How to get started on making boot time look like raspberry pi OS?
I have some knowledge of what happens from when I hit the power button till I am presented with the log in screen. I use the Ubuntu Mate 20.04. I have been experiencing inconsistent screens and then ...
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0
answers
923
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How to calculate the required value and specify mtrr_gran_size/mtrr_chunk_size?
I have 16GB RAM and 8GB swap memory. I am running Kubuntu.
upon checking a log after boot i see a section where it says, "mtrr_cleanup: can not find optimal value, kernel: [ 0.003112] please ...
4
votes
1
answer
9k
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Ubuntu 20.04 not booting after choosing different NVidia Proprietary driver. Failed to start NVidia Persistence Daemon
Getting [FAILED] - Failed to start NVidia Persistence Daemon. And the screen went black with the cursor blinking in 20.04.
My videos were getting stuck and not playing properly in the VLC. So, I ...
0
votes
2
answers
588
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Scheduling boot using cron (Ubuntu Server 20.04)
I wonder if it is possible to schedule a machine to boot up at a determined time using cron. Imagine I want my server to shut down at night and boot back up in the morning. I've rad many docs and ...
2
votes
1
answer
207
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Impossible to install kubuntu
I have a success first time to install kubuntu 20.04 but after reboot I have some problem
KUBUNTU INSTALLED but not start
1- After American megatrend logo :
Xsession:warning:unable to write to /tmp, ...
4
votes
1
answer
765
views
How do I install the new BootHole update?
I am new to Ubuntu and have 18.04. How do I install the new update to fix the BootHole vulnerability on my 18.04? What commands, process, etc., should I use?
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answer
6k
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How to install burg bootloader in ubuntu 20.04?
Tried many ways, but it seems a dead end.
Tried the installation method for Ubuntu 16.04 but it keeps giving errors.
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1
answer
3k
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How do I speed up Ubuntu 20.04 boot time
Booting up into Ubuntu 20.04 takes a long time for me. I ran the systemd-analyze command and this is what I get.
Startup finished in 5.533s (kernel) + 1min 40.647s (userspace) = 1min 46.181s
...
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1
answer
3k
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How to correctly restore from a backup.tar.gz file
I have followed this reddit thread on how to backup and restore an ubuntu filesystem. When I try to boot the USB after restoring the backup with the following command:
sudo tar -xpzf /media/d/backup....
56
votes
11
answers
129k
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How to fix a grub boot error : "symbol 'grub_calloc' not found
Just ran the latest batch of updates on 20.04 (Xubuntu), and now I'm getting a GRUB error:
symbol 'grub_calloc' not found
I'm dropped into the 'grub rescue' shell, but have no idea what to do there ...
1
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0
answers
174
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I am getting the error as per the screenshot attached, unable to go ahead
I ran fsck /dev/sda2 and at the end I entered 'exit' and Enter. After that I am getting:
end kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100
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1
answer
118
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Can not access Windows 10 after installing Ubuntu on another drive
I recently installed Ubuntu alongside Windows 10 but am no longer able to access Windows when rebooting. On start up my computer, which is booting through UEFI, goes straight to GRUB but there is no ...
1
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0
answers
2k
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''grub-install failed, this is a fatal error' during the installation of second Ubuntu
I am working with a computer that has Windows and Xubuntu operational systems. Besides that, I wanted to install Linux Mint 20 (then I tried with Ubuntu 20.04 LTS) alongside these two operating ...
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2
answers
368
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GNU grub instead of grub 2
I recently uninstalled kali Linux from a triple boot laptop (othres being windows 10 and ubuntu 20.04) now instead of grub 2 which shows windows and ubuntu during booting all I can see is a GNU grub ...
2
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0
answers
3k
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GRUB Customizer: EFI/ubuntu/fonts/unicode.pf2 not found
I am using Ubuntu 20.04 and I dual-boot Pop!_OS with it. And I used grub2 for GRUB Customizer.
Now I am not able boot into Ubuntu, but I am able to boot into Pop!_OS. Whenever I am trying to boot into ...
0
votes
0
answers
43
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System running very slow
I am using ubuntu 18.04 . It was working smooth but suddenly it became very slow. After clicking on one button it takes almost 5-10 seconds to open that file. So I decided to install ubuntu 20.04 but ...
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0
answers
206
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Delaying Startup Services; Faster boot
I really liked how Windows boot faster than Ubuntu. I think, Windows only ran the basic services needed to operate minimally. Then Start the services when it's booted. So it seems Windows is booting ...
6
votes
1
answer
2k
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Boot failed with error: ieee80211 phy0: brcmf_inetaddr_changed: failed to get arp ip table err:-52
I checked the similar question brcmf_inetaddr_changed: fail to get arp ip table err:-23 . But it does not really give out answer.
Here is my same error: error: ieee80211 phy0: brcmf_inetaddr_changed: ...
3
votes
0
answers
2k
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How to fix slow boot up time in Kubuntu?
I recently installed Kubuntu 20.04 on a Samsung Chromebook Plus V2 using the chrx method, and I am getting relatively long boot-up times. After the grub menu, the screen stays blank for about 35-40 ...
0
votes
1
answer
700
views
Old SSD filled up, couldn't boot, cannot mount
Plex DB got so big that it entirely filled up my disk.
I rebooted my PC and it wouldn't boot again but get the message: "started session c1 of user gdm" then to c2 or something etc.
Googled ...
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votes
1
answer
639
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Ubuntu Won't Boot on Mac Mini (mid 2010) with rEFInd
Was able to successfully install Ubuntu on my Mac Mini (mid 2010) and it shows up on rEFInd when I start up the machine.
But when I select the option, the machine says it's loading, the screen goes ...
0
votes
1
answer
89
views
Kubuntu 18.04 deleted /var, won't boot
Like a massive noob I deleted all of /var on my Kubuntu 18.04 install (dual booted with Windows). Now when I try to boot Kubuntu from grub it hangs in the OEM's logo. I can boot from recovary and even ...
0
votes
1
answer
2k
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Edit grub file from recovery mode
After a successful pass through of my GPU via amd_iommu = on and set to ignore the GPU id in the grub configuration I cant no longer access Ubuntu because it doesn't use my GPU any more.
I thought I ...
1
vote
1
answer
36
views
Ubuntu on USB doesn't recognize TB size on HD for install
I am trying to load Ubuntu desktop ISO that was put on a USB stick, into new PC build. When the process starts, an error
Ubuntu requires 8.6 GB, and only 8GB available
comes up. I have an 8TB ...
2
votes
1
answer
233
views
No boot on Ubuntu 20.04 or 18.04 with ThinkPad T430u without nolapic option
After Ubuntu 18.04 kernel upgrades, I am unable to boot. The screen only shows "loading initram disk" and then freezes. The last bootable version was 4.15.0-72.
Recently installed Ubuntu 20....
0
votes
1
answer
254
views
Stuck on boot splash screen after chown -R user /*
I ran:
chown -R [myuser] /*
by mistake and now Ubuntu won't boot. All I see is the loading screen for Ubuntu. I cannot ssh into the machine. The Apache server is down, but ping works. In root shell (...
0
votes
0
answers
54
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Dual-Boot(on different hard drives) problem after windows update to firmware
I've set up a dual boot with Ubuntu 18.04.03 on SSD and Windows 10 on HDD. Everything was going well, then a few days ago windows updated the firmware of the MSI laptop. Since then, I'm not able to ...
1
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0
answers
2k
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Missing 'lowerdir' on boot
I did not perform any update on my system on Ubuntu 18.04.
On booting the system, I get error
[24.537547] aufs aufs_fill_super:918:mount[1298]: no arg
[24.558603] overlayfs: missing 'lowerdir'
I ...
1
vote
1
answer
1k
views
grub 2.04 not reponding to usb keyboard
Since I have installed Ubuntu 20.04 my PC comes up with the grub boot screen where I'm supposed to be able to use the keyboard to either resume with the boot process or carry out some other process, ...
0
votes
1
answer
219
views
20.04 black screen on boot, when system has been shut down for a while
I'm running Kubuntu 20.04 LTS (5.4.0.-42-generic) on my ThinkPad E495, Ryzen 5 3500U with Vega Graphics. I sometimes experience a black screen on boot. However, the weird thing is, this always happens ...
1
vote
0
answers
28
views
Graphics failure after changing pc
I boot ubuntu from an external ssd drive. Now I changed the pc to one it with a NVIVIA GeForce. While booting the graphics smeared and I can't recognize anything.
What can I do?
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0
answers
992
views
Grub rescue insmod normal fails
My system has a Ubuntu 20.04 installation and a Debian 9 installation
Because I installed debian after ubuntu grub was installed from debian which was fine with me.
Recently I decided to remove the ...
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0
answers
92
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Windows 7 black screen boot and ubuntu 20.04
After dual boot installation Ubuntu 20.04 & windows 7 , Ubuntu 20.04 is working fine but windows 7 also boots but a black screen shows , I am also able to log in, by just typing password and ...
0
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0
answers
270
views
Changing screen resolution without seeing the screen?
So I rediscovered an old 32-bit Wintel PC that was sitting in my basement. Only problem: the hard drive had been wiped, and there was no Windows. Naturally, I decided to run it on 32-bit Ubuntu 16.04.
...
1
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0
answers
500
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Accidentally deleted boot options on startup (closed)
Edit: my dad tried to help troubleshoot my computer and now all of the filesystem is gone and the partitions are completely broken. I don't think there's any coming back from this, so I'm just booting ...
0
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0
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243
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LiveUSB not detected by Dell laptop
I created an Ubuntu 20.04 Live USB for an UEFI boot mode. The first time I had it plugged in, my PC detected the UEFI USB and I could boot into a live Ubuntu session.
However, the second time I tried.....
0
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0
answers
629
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Ubuntu does not startup anymore with "i915 invalid parameters enable_dpcd_backlight" error messages
Since yesterday my dual-boot laptop does not start anymore with an error message:
i915: ' invalid for parameter enable_dpcd_backlight'
hdaudio hdaudioC0D2: Unable to bind the codec
Anyone has an ...
1
vote
0
answers
43
views
After I turned off my Laptop and then tried to turn it on the next day, Ubuntu doesn't boot correctly
Everything worked just fine but after I wanted to turn on my Laptop (Dual-Boot) again Ubuntu is just showing me this:
What can I do to fix it? Btw, I'm new to Ubuntu, that's my first problem.
Edit: ...
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1
answer
76
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can't find usb mounted to system with ubuntu 16 32 bit
with lsblk cmd , following info is shown
this image is regarding usb info
can any-body please help me out- how to mount my usb & what's the problem in my system , as i can't see usb mounted even ...
0
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2
answers
262
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Ubuntu18.04 boot freeze after downgrade kernel to 5.3.0-62-generic to cope with nvidia driver
As Nvidia driver can not work properly with kernel 5.4, I have to downgrade my hwe kernel on Ubuntu 18.04 to kernel 5.3 by editing the file /etc/default/grub and do upgrade-grub. However, after I ...
0
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0
answers
286
views
Just Trying to Reinstall Grub2.04 on NVME
A relative newbie to this, but have used Ubuntu forever and want to start using it again.
I built a new computer recently, but made the partition for Ubuntu too small (15GB), so I created a new 100GB ...