Freezing After Screen Saver

My Mac mini is becoming unresponsive and freezing pretty much whenever I return from the screen saver state. The only way I know of getting it out of this state is to turn on my external hard drive then turn it off, but i don't like to do that, CAN YOU HELP ME!!!???

The ScreenSaver Pane on my MacBook was hung on creating a Mosaic of the jpg's in the Picture folder. I removed the jpg's from the Picture Folder, restarted and the Pane was operable. I put the jpg's back in the Pictures folder and now I use a random setting and all is ok.

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Password prompt after screen saver or lock screen

I am running Yosemite on two Macs – an early-2008 MBP 15" and a mid-2010 MBP 13". Both are configured for password after screen saver or when waking up. I have hot corners configured to enable screen saver (lower left), lock screen (upper right), disable screen saver (lower right). On awakening from either screen saver or lock screen, the 15" requests the password in a screen similar to the login after boot or switch user screen – the fullscreen, blurry background, prompt in the center. The 13" prompts for a password in an ordinary modal dialogue window that includes a lock icon and displays on a black background. The 13" has an external monitor attached, but the behavior is the same if it's disconnected. Both systems have one user, and identical settings in Users and Groups. The behavior is the same whether the Guest user is enabled or disabled.
I can't find any settings to account for the difference, even obscure ones shown in Onyx. Any ideas as to why the password prompt is handled differently in these two cases? Thanks in advance...

Hi Betty,
http://www.cmu.edu/computing/doc/security/mac/screensaver/index.html

"Require password after screen saver begins" & "Start Screen Saver"

Hello All,
Can someone tell me what the UNIX command strings are to set 1) "Require password after screen saver begins" on, 2) "Start Screen Saver" to 15 minutes and (3) "Disable remote control infrared receiver" via ARD? I have over 100 clients and it would be nice to issue the commands instead of walking up to each Mac spread all over the campus. Most of the clients are running 3.3.1. Thanks!
Mike
Message was edited by: binkysdad

Hello, Mike
There may be a command and the UNIX forums would be the place to really find the answer.
The problem is that each User has their own Screen Saver and Security settings. They are not global settings. If ARD is set up to access all of the other systems, then you can do it right from your office and flag which ones have been configured with the new settings with labels.

Macbook air freezes in screen save mode (Mid 2011 model using Mountain Lion

My MacBook Air freezes during screen save mode & is completely unresponsive. The only option is to press & hold the power button to force a power down then restart the laptop. This issue is not intermittent but happens every time the laptop is in screen save mode for any length of time (+20 mins).
The laptop is a Mid 2011 model. 1.8 GHz i7, 250 GB solid state HD, 13" display with 4 GB RAM. I updated to Mountain Lion latest version about 1 month ago.

Hi there. I'm not using any 3rd party screen saver software, only the standard Mountain Lion supplied stuff.
I did have to get the Genuis Guys to reset my SMC as my battery, fan & power lead were showing problems. Those issues are now solved but this has persisted.
I am considering a reinstal of the OS system but that is a 1 hour download following by ?? hours of waiting for the program to restart.
I'll try using one of the other screen saver options to test that.
Thanks for that idea.

Freeze during screen saver

Gang,
I recently migrated from a G4/733 running OS 10.2.9 to a 1.9 iMac G5 running 10.3.4. This new machine sometimes freezes after the screen saver has been on for a few minutes. It's done it with the Cosmos and Nature Patterns sets. I don't think it has happened with the 2006 World Book set, but I haven't used that one for long.
I've had a handful of minor annoyances, but this one is worse because it causes me to have to shut the computer down using the power button.
I found this thread: http://discussions.apple.com/thread.jspa?messageID=742697&#742697
The first post implied that this was a noted problem on earlier G5s, but I haven't found earlier references to it, and that thread was locked so it isn't clear to me whether it's been resolved.
Any news on this problem? I stopped using screen savers a long time ago when CRTs got to a certain refresh rate, but I think they're recommended for these LCDs--not sure. I don't want to risk screen burn-in, especially since I do leave it running for stretchs of time playing music in iTunes.
Any advice appreciated!
_dennis

Hi, dennis.
I think the problem to which the archived (you noted locked) thread was referring is Power Mac G5 (Late 2004) 1.8GHz models stop responding randomly. That was specific to the Power Mac G5, not the iMac G5.
With LCDs, sleep or shutdown are preferred to screen savers for extended periods of inactivity. See "Screen Savers: Using With Liquid Crystal Displays." I'd recommend you set the Display Sleep to a short inactivity period, e.g. five minutes, in Energy Saver preferences vs. using the screen saver.
As to the specific problem you've noted, freezes and hangs often have causes similar to kernel panics: the basic troubleshooting and hardware testing steps would be the same. See my "Resolving Kernel Panics" FAQ.
As far as general iMac G5 troubleshooting goes:
1. The first thing I would suggest is ruling out potential hardware problems. Run the Apple Hardware Test that came with the computer. Instructions for doing so will be found in the hardcopy manual that accompanied your computer.
2. Check the diagnostic LEDs, a feature of your iMac G5. See "About the iMac G5 diagnostic LEDs."
3. If your iMac G5 will not turn on, see "iMac G5: Troubleshooting when your computer won't turn on."
4. See also the new iMac G5 Support site.
5. Check the iMac G5 Discussions for similar reports from other users.
6. As a general check, run the procedure specified in my "Resolving Disk, Permission, and Cache Corruption" FAQ. Perform the steps therein in the order specified. In your situation, I'd consider it a long shot, but it will determine if there are any issues with some "common troublemakers."
7. If the computer is either under warranty or covered by an AppleCare Protection Plan, don't hesitate to take advantage of your warranty and contact AppleCare.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Laptop freezing when screen saver

Hi and thanks in advance for your time.
My laptop is freezing soon after the screen saver starts. In short, the sxreen saver continues but the mouse doesn't respond. I have no option but to force it to turn off using the turn on/off bottom.
I ran techtool pro and fixed permissions and rebuilt. Did not run disk warrior yet, waiting for update to arrive...
Any ideas, any advise, thanks

If it's one of Apple's preinstalled or a 3rd party screensaver, check to see if there is a plist file inside the ~/Library/Preferences folder and trash it. Restart your computer.
Boot from your install disc & run *Repair Disk* from the utility menu. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select Disk Utility.
Select the disk or volume in the list of disks and volumes, and then click First Aid.
Click Repair Disk.
Restart your computer when done.
Repair permissions after you reach the desktop-http://docs.info.apple.com/article.html?artnum=25751

Msi p45 platinum - freezes after power save turns off displays

Just put this computer together, everything is stock, no overclocking. Seems to run fine, played a few hours of modern warfare 2 with no issues.
I noticed It seems to freeze after the monitor gets turned off by the power save mode. I just tested this by setting it to turn off displays after 1 minute of inactivity, waited watched the monitor turn off, then I went to the move the mouse and the screen came back on but the cursor would not move. sometimes the screen will not even come back on.
I have turned the computer on, left the room while it was booting to eat breakfast or take a shower, came back the screen was still on but the computer was frozen. Window 7 login screen was up, but there were some graphic glitches. this has happened a couple of times.
If I manually put the computer to sleep it seems to come back properly.
msi p45 platinum 1.6 bios, optimized defaults loaded
e5200 intel dual core @2.5 ghz, 200FSB 12.5 multiplier
4 x 1gb ddr2 (800mhz, nanya brand)
nvidia gtx 260 (195.63 drivers x64)
win7 ultimate x64
enermax 720w powersupply

I think it might be the video card or power supply. Was building two systems,
second system has identical motherboard, processor and ram,
galaxy gts 250 instead of the evga gtx 260.
antec 430 earthwatts instead of Enermax EIN720AWT 720W Power Supply
Installed from same OS disc and same set of drivers. Second system seems to operate the powersave mode for the monitor correctly. Will have to do some testing switching videocards tonight.

Blank Screen after Screen Saver

I have a MacBook Pro with an external VGA monitor connected - desktop not shared (i.e. different desktop regions on both screens).
All is fine until the screen saver kicks in. When I wake the machine up again, only the external monitor shows an image - the laptop screen remains blank.
If I use Screen Sharing from another Mac, I can see what is on the laptop screen - and interact with all the applications there exactly as expected - but the screen remains stubbornly blank.
Is there a way to force redrawing of the screen/nudge the Mac to start using the laptop screen again (or better still a fix to stop the problem happening in the first place?)

To be more specific - I think it's when the power settings kick in rather than the screen saver - I haven't explicitly changed any screen saver or power settings from the default.
The Mac sits there for a good while with both the laptop screen and external screen on. The laptop screen dims after a while but still has a complete display. Then after a further period the laptop screen goes black/off but the external screen remains on. After this I cannot get the laptop screen back without a reboot (achieved through screen sharing from another Mac to avoid a hard boot and losing open documents).

Movie disappears after screen saver kicks in

If my screen saver (it doesn't matter which one) kicks in while watching a movie, after I press a key to stop the screen saver, Quicktime still plays the movie but there's nothing on the screen, all I see is my background. I can hear the sound, but no picture. Anyone have a fix for this problem besides turning off the screen saving while watching movies?

If I play a movie with VLC or QT the display will NOT go to sleep...
Are you sure about that? Because that's not what happens on my machine forcing me to run a little utility (Jiggler) to keep my machine awake (to avoid having to change the energy saver prefs each time).
FWIW, there are alternatives to Jiggler (Caffeine and InsomniaX are two others). Perhaps you might consider one of these when using Front Row.
Note, it is possible my specific problem has to do with using multiple displays, where one of those displays is my TV when using vlc.

Imac G4 15" Screen Stays Black After Screen Saver Goes To Sleep

I have an imac G4 15" that I just got from a friend that works pretty well, except that after it goes from the screen saver into to sleep mode, the screen stays black. I can hear the error chimes when I try to awaken the screen with the keys, but the screen just stays black. I have tried to increase the brightness, etc. but to no avail. Eventually I have to resort to re-booting and I am afraid that at some point, either the computer won't reboot or one of my external hard drives will crash. Any advice from someone who has experience with this issue would be greatly appreciated.
THANKS!

Hello and Welcome to Apple Discussions.
Have a look at this user tip:
http://discussions.apple.com/thread.jspa?messageID=4349704
cheers
mrtotes

Cannot log in back after screen saver locked the computer

Hi there,
We have a domain environment with Windows 2012 R2 and a Windows 2003 domain controllers and Windows XP and Windows 7 clients. We have setup a GPO for screen saver which lock the computer after 15 minutes idle. In the last few weeks on some Windows 7 computers
after the screen saver locked the computer the users cannot log in back. Error message come up with Username or password is incorrect.
I've tried to reach the computer through RDP but same error came up even tried to log in as domain admin. I could log in as domain admin locally (switch user option) but as a user cannot. I've tried to restart Netlogon, Workstation and Server services but
nothing happened. In the event viewer no related error message. The only way to login back as a user to restart the computer. It is not really good solution as they opened lots of things which wasn't saved.
Anyone has any idea or experience to solve this issue?
Many thanks
AM

I could log in as domain admin locally (switch user option) but as a user cannot. I've tried to restart Netlogon, Workstation and Server services but nothing happened. In the event viewer no related error message. The only way to login back as a user
to restart the computer. It is not really good solution as they opened lots of things which wasn't saved.
Hi,
Since you could login with Domain Admin locally, it should didn't have problem with Netlogon service and other logon correspond service. It seems like the account itself problem.
When this problem occures, have you tried to use other computer logon with the problematic account for test? If other normal computer also had same problem when using the account. It's should your Server authenticate problem. If not, it maybe the domain
account profile problem, you can try to remove the account and readded it for test.
If there was any updates, please feel free let us know.
Roger Lu
TechNet Community Support

10.7 freezes whenever screen saver activates!!

Installed Lion. Upgraded all 30,000 of my photos as per screen prompts. Now unable to use my Mac ANY time screen saver activates. It freezes, hangs, crashes. NEVER had any of these problems with 10.6 and, because I've "upgraded" my entire iPhoto Library (as per screen prompts) I am STUCK with this new OS!!!!!!!!!!!!!!!!
How can I "de-upgrade" my iPhoto library so I can revert to a system that functions??????
This is ONE lion that should have been kept in its cage.

Select another screensaver.

Helix completely is stuck and camera on after screen saver

Sometimes when I leave my Helix alone the screen saver kick in. When I try to use the Laptop again after a while, it has turned on the (back) camera and the camera app is completely stuck. No swipe, no Alt-F4 or Alt tab can get it out of there. I have to hold the powerbutton down for a hard-power off.
Does anyone experience the same?
Seems to me this is a software problem. I tried to install the new Settings app this morning. (this refreshes the camera sw and other drivers) but no improvements. Same problem remains.
Lenovo please help fix this.
Solved!
Go to Solution.

Swiping down on the lock screen should activate the camera.
This is a new feature of Windows 8.1 you can switch it off by going to the charms bar and selecting
Settings
Change PC Settings
In the PC Settings App select
PC and Devices
Lock Screen
Scroll down and you will see a Camera setting with a toggle button for
Swipe down on lock screen to use the camera
Matthew

DVD player doesn't work after screen saver goes on

Hello,
On a Mac Pro Intel Quad with Os x ver 10.5.8 my DVD player will not eject or play after the screen saver goes on. This started happening after a recent software update.
Has anyone experienced this or does anyone know how to solve?
Thank you.

HI Michael,
Delete this file.
com.apple.DVDPlayer.plist
~/Library/Preferences. Move that file to the Trash and restart your Mac.
Carolyn

System preferences freezes on screen saver

Hello,
Anytime I access my system preferences - screen saver - I get the spinng wheel and it freezes up. I can change my wallpaper and it only happens on the screen saver section of my system preferences.
I've tried the following fixes based on previous commuity
1)
Force Quit System Preferences
Move iPhoto Library to desktop
reload iPhoto
retry system preferences
2)
Tried looking for com.apple.... files people recommended in the library to delete
Was unable to find the file.
I'm on the Macbook Pro, late 2013. OS X 10.9.1
I just transititioned over from pc to Macbook so I beg your pardon if my "jargon" isn't up to your speed. Any help is appreciated - thanks in advance.
Cheers,
Stephen

Back up all data. Quit System Preferences if it's running.
Triple-click anywhere in the line below on this page to select it, then copy the text to the Clipboard by pressing the key combination command-C:
~/Library/Preferences/ByHost
In the Finder, select
Go ▹ Go to Folder...
from the menu bar. Paste into the box that opens (command-V), then press return. A folder should open. If it does, look for a file with a long name that begins "com.apple.screensaver". There may be several such files. Move them to the Trash.
Test. If the problem is resolved. recreate your settings in the Screen Saver tab.

Freezing After Screen Saver

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