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Alsamixer

If you find that your Headphone is not working in Ubuntu (but performs well in other OS), make sure that your Headphone is OK. And then perform these following tricks in Ubuntu. In the ‘Terminal’ write ‘alsamixer’ to open Alsamixer . In ‘AlsaMixer’ select the <Headphone> column using the side-arrows keys in Keyboard. Now press ‘ m ’ to Unmute the Headphone. ( When the Headphone is mute you can see in the column it shows ‘MM’, and after you unmute the Headphone, it will show ‘00’) Press up-down arrow keys to control volume in your Headphone. Run this command in terminal: sudo alsactl store to store the configuration such that when you open the system again it will boot-up with same config.
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Set GRUB as Default Boot Manager

Sometimes after installing Ubuntu in dual boot mode alongside Windows, it is seen that CPU directly boots into Windows. This problem occurs when Grub is not set as the default boot manager in your CPU. So when you turn on your PC, it directly loads Windows boot loader by default and Windows boot loader does not give you any option to log in to Linux. So you unwillingly log in to Windows every time. In such case you need to make Grub as default boot manager. Grub gives you options to choose between the Operating Systems installed in your PC. So Yeah! Let’s us set Grub as default boot manager. First log in to Windows using an Administrative account . Right click on the Start menu > Command Prompt(Admin) to run Command prompt in admin mode. Now run this command in Command Prompt: bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi Now you are all set. Restart your PC and see the effect! Grub will load and then choose the OS from Grub menu you want
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How to fix Grub

   If after installing Ubuntu you encounter any problem, you might consider to perform following methods: 1. If after installing Ubuntu, you boot directly in Windows , check in UEFI settings for changing the boot order. If you see no option to set the boot to Ubuntu, you need to fix it from within Windows. When you are in Windows desktop, right click on the Start menu>Command prompt(Admin) to enter Windows Command Prompt. Then run the following command: (  bcdedit /set "{bootmgr}" path \EFI\ubuntu\grubx64.efi  ) This should make the Grub default and hence you can access both Ubuntu and Windows from it. 2. In the grub menu, if you can't find the Windows 10 boot , loader then select the advanced option (which is just below Ubuntu option in Grub menu) and press "Enter" and then run Ubuntu in recovery mode.      Then there you will find a menu and select the update grub option. It will find the Win 10 boot loader. Find mor
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How to install Ubuntu 18.04 in dual boot alongside Windows 10

This article will show you how you can install Ubuntu 1 8 .04 in dual-boot mode along with Windows 10 step by step. I’m writing this article out of my experience while installing Ubuntu in dual-boot mode along with Windows 10 Pro. Here I’ve tried to cover all the necessary steps. The installation was performed on a CPU with 500GB HDD, 4GB RAM, 3.5 GHz Intel processor and built-in 2GB Intel graphics and supports both UEFI and BIOS . The procedure mentioned here are also applicable to other versions( Ubuntu 20.04, 17.10, 1 6 .04). I’ve tried to cover installation procedure for both UEFI & BIOS mode machines. L et’s start! Login to your Windows 10 Step:1 Create a free space in HDD where Ubuntu will be installed * If you have several partition in Hard Disk, use any of them except the C Drive (because in case if something messed up, it may erase the data on C drive and then you have to reinstall Windows 10 again) to make some free space for linux
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