Just getting around to figuring out why screensavers stopped working on my F22 and found this thread which has all the info I needed (thanks Glenn Holmer for the xscreensaver cheatsheet). I wanted to correct this piece of misinformation, for the archive: On 04/14/15 16:28, Lukáš Tinkl wrote: > There's a good reason why they're gone mainly because... well they > aren't really saving anything. Back in the days when everybody had TFT > monitors, screensavers would actually prevent the physical damage from > literally burning a still image into the monitor's matrix. These days > with the LCD displays, they are doing exactly the opposite My secondary display is an LG L246WP - 1920x1280 MVA panel (not too shabby) and it definitely burns if I forget to turn off the displays or a screensaver isn't running. I'll come in the next day to find emacs chrome burned into the screen (or the default KDE locker after I found that). :/ My primary (IPS) panel doesn't seem to suffer from this effect. The good news is that vigorously exercising the LCD elements through all RGB states makes them respond again - the xscreensaver 'flurry' OpenGL screensaver does a great job of this - I can have the screen back to normal in about three hours. Not my idea - the use of flurry for this purpose was written up elsewhere. It was non-trivial to this information, though - many users might assume permanent hardware damage, especially if they can remember real phosphor burn from back in the day. I'm not sure how the chemistry works, but I am sure that screensavers aren't obsolete on LCD panels, nor should they be considered merely-aesthetic functionality in KDE. If DPMS signalling were reliable under Linux the story might be different, but we've been waiting a couple decades for that to happen and it's still not the situation we have available to us. -Bill -- Bill McGonigle, Owner BFC Computing, LLC http://bfccomputing.com/ Telephone: +1.855.SW.LIBRE Email, IM, VOIP: bill@xxxxxxxxxxxxxxxx VCard: http://bfccomputing.com/vcard/bill.vcf Social networks: bill_mcgonigle/bill.mcgonigle _______________________________________________ kde mailing list kde@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kde New to KDE4? - get help from http://userbase.kde.org
