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I faced the same problem before on my laptop Lenovo z500 ideapad after searching i found this solution : 1. open terminal 2. sudo gedit "/etc/default/grub" 3. append "acpi_backlight=vendor" to GRUB_CMDLINE_LINUX_DEFAULT 4. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor" 5. save and close gedit 6. sudo update-grub 7. restart If ...


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I found out why the screen turns black when I login on my personal account. It appears I have accidentally pushed a button that toggles between monitors/beamers when connected. When nothing is connected to the laptop the build-in screen still turns off. This is done by pressing Fn+F8. This is applicable for the Asus R500V series My thanks to the people who ...


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There are many possible causes for this problem. And thus, there are many solutions, some of which might work for someone else but not you. That said, give this a try: Open up tty1 on the logon screen by pressing Ctrl+Alt+F1 Login at the prompt. Then run these commands: sudo rm .Xauthority sudo shutdown -r now


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but the browsers(mozilla,google-chrome) still displays very small text and there is a wide empty space on both side when I am browsing. How can I fix this ? Browsers use their own fonts. You can increase font size on browsers with control++ and decrease it with control+- You can also change this in Chrome, options, content, fonts&colors. Firefox, ...


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I figured out the problem. The screen sessions aren't "disappearing", they're just detaching. The way I fixed this was by using "screen -ls", finding the PID of the screen I wanted, then using "screen -r " to reattach the screen and allow access to it. Thank you to MadMike for the link.


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You can do this with xpra: xpra start :100 --start-child=PROGRAM --bind-tcp=0.0.0.0:10000 xpra attach localhost:10000 As a bonus, it also works remotely – you can attach this window to X (or even Windows!) on a different machine. xpra is like the console programs screen or tmux for X11.


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After confirming in the comments that the pm-suspend command works properly with your laptop, we can now tell it to use that command exclusively to suspend it. Open a terminal and type in gksudo gedit /etc/default/acpi-support Enter your admin password when prompted. Look for the line that says SUSPEND_METHODS="dbus-pm dbus-hal pm-utils" Change the line ...


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No. Note that as of date of last testing (2014, xcalib version 0.8) xcalib has not been able to invert the colors on all monitors in a multi-monitor setup, because all monitors are presented by the X11 server as a single screen. Thus this limitation is coming from the X11 server. xrandr-invert-colors does not have this limitation, because it ...



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