I recently had to reinstall Windows and now Linux has disappeared. I installed Linux onto my Windows computer and it gave me the choice of which to use when I turned it on. The best Linux distros: five versions of Linux we recommend.Sudo grub2-mkconfig -o /boot/grub/grub.cfg Sudo grub2-mkconfig -o /boot/grub2/grub.cfg Which one depends on your distro – if the first one fails, try the second and then the third. Once you find a combination that has the kernel and your hardware co-operating with one another, make the change permanent by adding the options to GRUB_CMDLINE_LINUX_DEFAULT and GRUB_CMDLINE_LINUX in /etc/default/grub, saving the file and updating Grub with one of these commands. Press F10 to boot with the options you added. Note the difference in spelling between the second and third set of options – about all that acpi and apic have in common is the letters in their names. At the Grub boot menu (press Esc if it does not show up by default), highlight your normal boot option and press E (for edit).Įdit the line starting with kernel by adding some or all of these options to the end of the line, separated by a space: You can change the way the kernel addresses the hardware with a number of parameters you can pass to it at boot time. With anything motherboard related, the first step is to check whether there's a BIOS update available.Įven with a brand new motherboard, by the time it has travelled through the shipping and distribution process to get from the Far East to your computer's manufacturer and then to the shop and finally to you, there is usually a new BIOS available.įlashing a new BIOS can fix a lot of boot problems but if yours persist, there is more you can do. The "It works with Windows, ship it and we'll fix any other problems with an update" attitude is not uncommon. Hardware working with Windows is no indication that it's fault free. This is a problem I'm experiencing on a newly bought motherboard that works fine with Windows. When I boot I see error messages along the lines of Once you can get past the problem, you can start to fix it.ĭisable your distribution's boot splash to see what's really going on, or failing to go on, when your system is booting up Boot errors If it appears to be a hardware detection issue, try disconnecting all unnecessary hardware, such as printers, scanners or USB rocket launchers. This won't fix your problem (unless the problem is the splash screen itself), but it will let you see what is going on and either get an error message or an idea of which stage of the boot is failing at. Find the line that starts with linux and look for options like quiet, splash or theme.ĭelete these options and press F10 to continue booting. Otherwise, put the highlight on your normal boot option and press E for edit. If there's a recovery or safe option, pick that, as it disables the splash screen and often sets safer (if potentially less efficient) boot options. You can disable the splash screen at the boot menu: if your computer starts booting without showing a menu, hold down Esc when it boots to call up the menu. Unfortunately, the splash screen also hides any error messages. In the good old days, distros used to stream reams of text up the screen as they were booting, until it became fashionable to hide this with a splash screen. These can time out after a few minutes, either allowing boot to proceed or at least giving you an error message to work with. The first thing to do is be patient – the boot process may be trying to initialise a piece of hardware, or access the network before it's available. The splash screen comes up and then it just sits there. Got boot problems? We tackle the common issues. What's the best Linux distro for beginners?.Hopefully you'll come out of the darkness with at least a few invaluable nuggets of Linux knowledge to help make your Linux experience that little bit smoother and even more enjoyable.
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