Ubuntu

My display settings have changed and monitor not detected

Asked by Rajesh

My system got updated my display settings got affected. My monitor is HP L2045w. and the output of #sudo lshw -C display
  *-display UNCLAIMED
       description: VGA compatible controller
       product: 82Q33 Express Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 32 bits
       clock: 33MHz
       capabilities: msi pm bus_master cap_list
       configuration: latency=0

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Rajesh (rajeshkodali) said : 		#1

# xorg.conf (X.Org X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# Note that some configuration settings that could be done previously
# in this file, now are automatically configured by the server and settings
# here are ignored.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
# sudo dpkg-reconfigure -phigh xserver-xorg

Section "Device"
 Identifier "Configured Video Device"
EndSection

Section "Monitor"
 Identifier "Configured Monitor"
EndSection

Section "Screen"
Identifier "Default Screen"
Device "Generic Video Card"
Monitor "HP L2045w"
DefaultDepth 16
SubSection "Display"
Modes "1680x1050"
EndSubSection
EndSection

Section "ServerFlags"
Option "DontZap" "false"
EndSection

## End of Xorg.conf

But after I made these changes and restart, I see monitor to Unknown monitor. and display set to 1360x768. I don't understand what must be the problem

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wojox (wojox) said : 		#2

Reboot the computer
Press Esc (escape)
Start in single user mode
Choose drop into root shell
Run: dpkg-reconfigure -phigh xserver-xorg
Enter: reboot

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