Timothy Murphy wrote:
I'm running Fedora/KDE 23 on a ThinkPad T510 laptop.
If I leave the laptop open but idle for about 5 minutes
the screen goes blank, and I see no way to "wake" it.
Normally the screen blank/dimming should stop when you press a key or move
Otherwise, you can disable the screen blank at:
systemsettings5 -> powermanagement -> energy saving, and test unchecking
either or both of:
Screen Energy Saving