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Top Forums UNIX for Beginners Questions & Answers Cant log in from external monitor on laptop with broken screen. Post 303029454 by debpleb293 on Saturday 26th of January 2019 12:39:46 PM
Old 01-26-2019
Cant log in from external monitor on laptop with broken screen.

Hello. I am installing Kali Linux on a laptop with no monitor. The installation goes fine through the external monitor and I can see the GRUB menu on boot, but once it comes time to log in it acts like my non existant laptop screen is my main monitor to type my login info on while my external is just grey background. Moving the mouse cursor it will appear from the left hand side of the screen and I can enter the ctrl alt f3 terminal and log into root. Search engine results seemed 'xrandr' in the terminal could help me select my external monitor as the main one through terminal or boot commands. But when I type it in it says "Cannot show display" I checked the xrandr --help and tried other commands to the same effect. Wont even list displays with xrandr -q. Also built in laptop FN display commands only make the screen flash for a millisecond. Also checked BIOS for any video settings that I could change, there is nothing. I also tried logging in blind by typing passphrase, return key, also tried return, passphrase, return, no effect. I know if I can log in blind I can right click the background and select the graphics options from the shell to mirror the displays. If anyone can help me with a solution or you need any additional information please respond I would greatly appreciate it.
 

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XRANDR(1)						      General Commands Manual							 XRANDR(1)

NAME
xrandr - primitive command line interface to RandR extension SYNOPSIS
xrandr [-help] [-display display] [-o orientation] [-q] [-v] [-s size] [-x] [-y] [--screen snum] [--verbose] DESCRIPTION
Xrandr is uses to set the screen size, orientation and/or reflection. The -s option is a small integer index used to specify which size the screen should be set to. To find out what sizes are available, use the -q option, which reports the sizes available, the current rota- tion, and the possible rotations and reflections. The default size is the first size specified in the list. The -o option is used to specify the orientation of the screen, and can be one of Inormal inverted left right 0 1 2 3". The -x option instructs the server to reflect the screen on the X axis. The -y option instructs the server to reflect the screen on the Y axis. Reflection is applied after rotation. The -help option prints out a usage summary. The --verbose option tells you what xrandr is doing, selects for events, and tells you when events are received to enable debugging. SEE ALSO
Xrandr(3) AUTHORS
Keith Packard, XFree86 Core Team and Cambridge Research Laboratory, HP Labs, HP. and Jim Gettys, Cambridge Research Laboratory, HP Labs, HP. XFree86 Version 1.0 XRANDR(1)
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