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How to disable switchable graphics

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Clash Royale CLAN TAG #URR8PPP up vote 1 down vote favorite I have switchable graphic (Intel + AMD), the problem is AMD isn't providing appropriate drivers for latest versions of linux distros. As the correct drivers are not available, AMD graphic card is used all the time (while it should be used only while performing high graphic requirement tasks, atleast that's how its done in Windows). This drains the battery of my laptop a lot faster which is creating problems for me. I have checked that there are no unnecessary processes running. So I wanted to know if there is a way to only use the Intel graphic card and totally disabling the AMD card? drivers graphics amd-graphics share | improve this question asked Mar 4 at 3:51 Vipul Behl 106 1 add a comment  |  up vote 1 down vote favorite I have switchable graphic (Intel + AMD), the problem is AMD isn't providing appropriate drivers for latest versions of li...

How do I boot my PC from GRUB? [duplicate]

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Clash Royale CLAN TAG #URR8PPP up vote 8 down vote favorite 4 This question already has an answer here: How can I repair grub? (How to get Ubuntu back after installing Windows?) 12 answers I can no longer boot Ubuntu following a corruption problem initially reported here (How do I solve the "invalid arch dependent elf magic" error message). When I power my laptop, I now get the following message: GNU GRUB version 2.02~beta2-9ubuntu1.7 Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists possible device or file completions." and then the prompt grub> Can anyone help me get back to Ubuntu ? boot grub2 share | improve this question edited Jul 2 '17 at 18:17 Android Dev 10.5k 6 32 57 asked Jun 28 '17 at 7:49 Mons 41 1 1 6 marked as duplicate by David Foerster, N0rbert, Fabby, Kevin Bowen, Melebius May 21 at 9:42 This questi...