2016-05-25 12:33:55 -04:00
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---
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layout: doc
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2016-10-11 03:24:32 -04:00
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title: ThinkPad Troubleshooting
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permalink: /doc/thinkpad-troubleshooting/
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redirect_from:
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- /doc/thinkpad_x201/
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- /en/doc/thinkpad_x201/
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- /doc/Thinkpad_X201/
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- /wiki/Thinkpad_X201/
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---
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2016-10-11 03:24:32 -04:00
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# ThinkPad Troubleshooting #
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## Instructions for getting your Lenovo Thinkpad X201 & X200 laptop working with Qubes/Linux ##
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2016-08-15 15:48:05 -04:00
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For being able to boot the installer from USB, you have to disable VT-d in the BIOS.
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2016-05-26 00:50:58 -04:00
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Enter the BIOS by hitting F1, go to Config - CPU and then disable there VT-d.
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2016-05-26 00:50:58 -04:00
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After the installation, you have to set a startup-parameter for Xen, to be able to activate VT-d again:
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2016-05-26 00:50:58 -04:00
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1. Open a terminal in dom0
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2. Edit `/etc/default/grub`
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3. Add to the line `GRUB_CMDLINE_XEN_DEFAULT` the setting `iommu=no-igfx`, save and quit
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4. sudo `grub2-mkconfig --output /boot/grub2/grub.cfg`
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Then reboot, enter BIOS and re-enable VT-d.
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2016-10-11 03:24:32 -04:00
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### Getting scrolling with the Trackpoint and the Middle Button to work ###
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1. Create a script with the following content:
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~~~
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#!/bin/sh
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xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation" 1
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xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Button" 2
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xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Timeout" 200
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xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Axes" 6 7 4 5
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~~~
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2016-05-25 12:33:55 -04:00
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2. Add the script to the startup-items of your desktop environment.
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2016-10-11 03:29:44 -04:00
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## ThinkPads with Intel HD 3000 graphics ##
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Several ThinkPad models have Intel HD 3000 graphics, including the T420s and the
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T520. Some users with these laptops have experienced random reboots, which were
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solved by adding `i915.enable_rc6=0` as a kernel parameter to
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`GRUB_CMDLINE_LINUX` in the file `/etc/default/grub` in dom0.
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