Dual Displays lose settingsI'm running an iMac 5K (Yosemite 10.10.4) as my main monitor, with at Toshiba TV connected via HDMI to a Thunderbolt dock, which in turn is connected to the iMac via Thunderbolt (of course). Periodically the ...view more
resetting PRAM blacks out display!I was troubleshooting the "Yosemite does not seem to support the volume controls" problem and I did the Parameter Ram reset (cmd-opt-p-r) Unfortunately, after doing that there is NO image on the computer scree...view more
Thread Desktop background changes when laptop turns off
Desktop background changes when laptop turns offEvery time I turn my laptop off and then back on again, the background changes back to the default Yosemite background, rather than the one I had it set to before it was turned off. I have a 2011 Macbook Pro, but I do...view more
Thread ASUS ML229 not recognized by MacBook Pro Yosemite 10.10.5
ASUS ML229 not recognized by MacBook Pro Yosemite 10.10.5I’ve been connecting to an ASUS ML229 external monitor through a Thunderbolt-to-HDMI MiniDisplay Port and an HDMI cable for the past year. Last week, the laptop stopped recognizing the monitor. When I co...view more
Thread Monitor problems on Yosemite 10.10.5 on MacBook Pro
Monitor problems on Yosemite 10.10.5 on MacBook ProI am running my MacBook Pro (15-inch, Mid 2010) with Yosemite 10.10.5. Since loading Yosemite, I have problems with the MacBook running slowly. I think the problem is with the driver for my external LG monitor W2240T....view more
Restor from iMachine backupDays ago i decied to re-install and do clean install my OS and before that i got a full back up of my mac and after installing when i wanted to restore my back up again on my mac i faced with an error that my back up ...view more
10.10.5 locking the dock to chosen monitorI have a 27" iMac and 27" thunderbolt display, despite locating it to left monitor bottom the dock goes back to the bottom on the right display the moment I use my mail which is always on the top right of the monitor....view more
Dual Monitor UtilityI am using dual monitors on my Mac computer and I am struggling to find a way to make OSX act in a manner that works for me. What I would really like is to have a 'second dock' on my second monitor and when I...view more
Thread how to make active screen follow mouse with two monitors
how to make active screen follow mouse with two monitorsI am wondering how (if possible) to make the active screen follow the mouse when using two monitors. For example, If I have a web browser opened up on one screen and word opened up on the other monitor, right no...view more
Thread Vertical black bar at the left side of an external display
Vertical black bar at the left side of an external displayOn Yosemite when I set the resolution to 1920 x 1080 there appears a vertical black bar at the left hand side of the external display and you can't see the whole screen on the right side of the screen. This happened w...view more
Thread Custom Desktop Picture Doesn't Stay After Reboot
Custom Desktop Picture Doesn't Stay After RebootI am running a MacBook Pro with an attached monitor in a dual screen set up. The external monitor is the "primary" monitor with the MacBook being the secondary, I've had this setup going for years, but have NEVER want...view more
Unable to download OS X El Capitan.I am unable to download OS X El Capitan. When i go into the app store, it opens but nothing loads. It says "cannot connect to the app store". I am connected to the internet and able to browse everything else perfectly...view more
screen resolutionsI recently updated an imac to Yosemite and when I mirror the display for an Active board it only shows two screen resolution options. Neither put the computer screen to it's full width. Is there a way to g...view more
Yosemite Cannot Login After SleepI have a 2012 Macbook Pro and upgraded to Yosemite today. I also have an external HDMI monitor connected with the Thunderbolt to HDMI cable. The problem is I cannot login to the machine after waking up ...view more
Second monitor not waking after sleepI am running my MBP with a 2nd Monitor (Dell). When I wake up after sleep the Dell monitor is not waking. I haven't quite worked out what brings it back on (I usually try a few things like pulling out the plug, power ...view more
Thread Yosemite dual external monitors not recognized?
Yosemite dual external monitors not recognized?I upgraded my Macbook Air this morning to Yosemite 10.10 from Mavericks. Now, my Mac only recognizes one of my two external monitors. By this I mean that only one of my two external monitors appears in the Arran...view more
Thread Screen Saver reverts to National Geographic
Screen Saver reverts to National GeographicSeveral times lately (Yosemite only???), I have discovered my screen saver has reset itself to show National Geographic photos. And they are usually set to show both my iMac and my second monitor the...view more
