monitor gets off after lowest contrast

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1502662/+editstatus and add the package name in the text box next to the word Package.

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Status changed to 'Confirmed' because the bug affects multiple users.

step 1 : Open terminal and type the below commands.
step 2 : cd ..
step 3 : cd ..
step 4 : cd sys
step 5 : cd class
step 6 : cd backlight
step 7 : cd acpi_video0
step 8 : cat brightness

//Check the brightness level from the below commands and note it down.

step 9 : cat actual_brightness
step 10 : cat max_brightness

//Open editor and type the below script
step 11 : sudo echo <set the minimum value for brightness> > /sys/class/backlight/acpi_video0/brightness
//save the file as brigthtness.sh in home directory.
//type the below command

step 12 : crontab -e
//now the terminal will ask you to choose the editor in which you want to open the crontab. Choose nano.
//type the below script
# m h dom mon dow command to execute
  * * * * * ./brightness.sh || (cd && /home.cron)

step 13 : //type// sudo gedit /etc/default/grub
step 14 : change "quick splash" to " quick splash acpi_video0=vendor"
step 15 : sudo update-grub