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Old 02-10-2019, 08:42 PM   #1
byebyemrgates
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Help! Blank screen after changing resolution


Hi there! Well, here is my first serious mistake on Linux: after installing Mint 19 XFCE successfully on a friend's old Fujitsu laptop, I went to change the screen resolution, and the screen went blank. Rebooting gets me to login window, but once logged in- no display, blank.
Googled only to find answers for Windows (rebooting in safe mode). Any help for Linux Mint? Thanks!
 
Old 02-10-2019, 08:56 PM   #2
ferrari
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I'm not an XFCE user, but you may need to remove the 'problem' displays.xml file you created when changing the display resolution. Change to a VT (eg Ctrl+Alt+F2) and log in as the user concerned, then remove (or rename) ~/.config/xfce4/xfconf/xfce-perchannel-xml/displays.xml

Once that's done, change back to the graphical console (login screen) and see if you now have a visible desktop again.
 
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Old 02-10-2019, 08:59 PM   #3
byebyemrgates
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Originally Posted by ferrari View Post
I'm not an XFCE user, but you may need to remove the 'problem' displays.xml file you created when changing the display resolution. Change to a VT (eg Ctrl+Alt+F2) and log in as the user concerned, then remove (or rename) ~/.config/xfce4/xfconf/xfce-perchannel-xml/displays.xml

Once that's done, change back to the graphical console (login screen) and see if you now have a visible desktop again.
what is vt? upi mean cnage into it from login screen?

Last edited by byebyemrgates; 02-10-2019 at 09:03 PM.
 
Old 02-10-2019, 09:10 PM   #4
ferrari
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It is a virtual terminal. At the login screen press the keys I already mentioned to reach a text console (VT2).
 
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Old 02-10-2019, 09:17 PM   #5
byebyemrgates
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It is a virtual terminal. At the login screen press the keys I already mentioned to reach a text console (VT2).

all done - thanks a lot!!!!!!!!

Last edited by byebyemrgates; 02-10-2019 at 09:25 PM.
 
Old 02-10-2019, 11:03 PM   #6
ferrari
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Glad to have been of assistance!
 
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Old 02-12-2019, 01:53 AM   #7
byebyemrgates
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Glad to have been of assistance!
that's that kiwi power again, mate!
a bit off topic, perhaps, but can you explain in newbie terms - is there such thing as safe boot for Linux? is VT the only way to fix issues such as what I've experienced? cheers!
 
Old 02-12-2019, 04:15 AM   #8
ferrari
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Well it depends on what you mean specifically. It is possible to configure the grub (boot loader) "on the fly" to boot to console (text) mode or a basic graphics mode by doing the following (at the grub boot screen)...

1) Boot to console mode
Press the 'e' key, navigate to the linux line with the up/down arrow keys, and add '3' at the end of the boot options listed there, then press F10 to boot. It is a temporary change effective for the current boot only.

2) Basic (frame buffer graphics). Use the 'nomodeset' kernel parameter added to the end of the kernel boot options in a similar fashion to the above.

It doesn't matter if you make a mistake, as the changes are not persistent, and so rebooting will use the current persistent grub config only.


https://www.omgubuntu.co.uk/2016/07/...ub-menu-ubuntu

Last edited by ferrari; 02-12-2019 at 04:16 AM.
 
  


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