Tag Archives: blank

Fix blank image preview with Quick Look in Mac OS X

If you have activated the text selection feature in Quick Look (pressing the space key) you may get a blank preview while viewing some images.

blank quick look

This can be fixed by running this command on the terminal:

defaults delete com.apple.finder QLEnableTextSelection; killall Finder

If you want to get the text selection feature back run this command:

defaults write com.apple.finder QLEnableTextSelection -bool TRUE; killall Finder

Rerf: http://apple.stackexchange.com/a/137147

Disable blank console in Ubuntu

This behaviour is used as a screensaver for the terminal.

To disable it Edit /etc/default/grub and add consoleblank=0 in the GRUB_CMDLINE_LINUX_DEFAULT option:

GRUB_CMDLINE_LINUX_DEFAULT="consoleblank=0"

grub

Then update grub and reboot.

sudo update-grub
sudo shutdown -r now