Windowed Mode Disappears

85 Dwarf Warrior
9975
Ever since installing the MoP beta, my Cata installation has this issue:

When I enter windowed mode, all video disappears, and I'm left with a black screen within the WoW window. When I try to adjust the size of the window, the window completely disappears. The game is still running, audio is enabled, as if nothing is wrong. The game is not minimized, it is just gone. To fix the issue, I have to force quit WoW and reopen it.

Any ideas what's going on?

OS 10.7.4
2.93 GHz Intel Core 2 Duo
8 GB RAM
ATI Radeon HD 4850 512 MB graphics
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I have a similar issue though I've not tried resizing the window. When going to windowed mode it all goes black just like you said and about 50% of the time it causes my macbook pro to completely freeze when I try to force quit WoW. Thus causeing me to have to reboot my entire laptop.
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85 Dwarf Warrior
9975
So that's 2 of us... no advice from anyone?
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90 Gnome Mage
8965
So that's 2 of us...


There are way more than two people seeing this issue - some get an all blank window that they can refresh, some get a screen freeze (computer wedged) or kernel panic (gray screen of death) which require a power off/on to reset the computer.

Possibly due to a recent change in how full screen works, in any event the only thing that we have in common is using a Mac. Problem happens with Lion (10.7) as well as Snow Leopard (10.6), iMacs as well as Macbooks and Macbook Pros. This problem just started about two months back, and is now a very repeatable problem. For one of our systems we've completely given up trying to "tab out" by using windowed mode - crashes our iMac each and every time.

Multiple threads on this problem already, one of which is http://us.battle.net/wow/en/forum/topic/4662236502

Sometimes running the Launcher's Help menu item "Verify/Repair Game Data" seems to help, at least for a while. For me it does not fix the problem, only makes it go away for a while or change symptoms.

I'm hopeful that since this is now being reported on 10.7 (the most current Mac OS X), that Blizzard will spend a little time on the issue. It's a real frustration that many folks can no longer switch reliably between full screen and windowed mode.
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100 Human Mage
9975
My experience is that the "Verify/Repair" function in the Launcher does seem to fix the issue. Last time that fix stopped working was right after the last patch. BTW, it also seems to be an issue with either the 32 bit or the 64 bit application.

My "symptom" was not a black screen, but a kernel panic... the ONLY one(s) I've seen in about 3 years.

Be prepared for the trolls to come and tell you it's an Apple issue and Blizz is blameless... yes they MAY need to create a work around for an OS issue (then again, they COULD be causing it as well), but that does go on... and has been since the non-OS X days. Not at all unusual for a dev to make some small change to allow their app to run.
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Support Forum Agent
I'll bring this up to the Mac team for additional review.

For those that this issue is happening on, can y'all provide system information?

Obtaining System Information
    1. Hold the 'Option' Key and choose System Profiler/Information from the Apple Menu.

    2. Copy the information from the following sections:
  • Hardware (remove the Serial Number line)
  • Graphics/Displays
  • Software (remove the Computer Name and User Name lines)
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100 Human Mage
9975
Hardware Overview:

Model Name: Mac Pro
Model Identifier: MacPro5,1
Processor Name: 6-Core Intel Xeon
Processor Speed: 3.33 GHz
Number Of Processors: 1
Total Number Of Cores: 6
L2 Cache (per core): 256 KB
L3 Cache: 12 MB
Memory: 10 GB
Processor Interconnect Speed: 6.4 GT/s
Boot ROM Version: MP51.007F.B03
SMC Version (system): 1.39f11
SMC Version (processor tray): 1.39f11

ATI Radeon HD 5870:

Chipset Model: ATI Radeon HD 5870
Type: GPU
Bus: PCIe
Slot: Slot-1
PCIe Lane Width: x16
VRAM (Total): 1024 MB
Vendor: ATI (0x1002)
Device ID: 0x6898
Revision ID: 0x0000
ROM Revision: 113-C0780C-194
EFI Driver Version: 01.00.436
Displays:
SMS24A450:
Resolution: 1920 x 1200 @ 60 Hz
Pixel Depth: 32-Bit Color (ARGB8888)
Display Serial Number: HCLBB00958
Main Display: Yes
Mirror: Off
Online: Yes
Rotation: Supported
Television: Yes

System Software Overview:

System Version: Mac OS X 10.6.8 (10K549)
Kernel Version: Darwin 10.8.0
Boot Volume: xxxxxxxxxxxxxx
Boot Mode: Normal
Computer Name: xxxxxxxxxxxxxxxxxx
User Name: xxxxxxxxxxxxxxxxxx
Secure Virtual Memory: Not Enabled
64-bit Kernel and Extensions: Yes
Time since boot: 4:40
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85 Dwarf Warrior
9975
Thanks for the responses all. My particular issue doesn't affect the running of my Mac at all, no kernel panic or crashes, just the video for WoW alone disappears. I'll try repairing and see if that helps. In the mean time, here's the info Machkhan asked for:

Hardware Overview:

Model Name: iMac
Model Identifier: iMac9,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.93 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 6 MB
Memory: 8 GB
Bus Speed: 1.07 GHz
Boot ROM Version: IM91.008D.B08
SMC Version (system): 1.45f0

Displays:

ATI Radeon HD 4850:

Chipset Model: ATI Radeon HD 4850
Type: GPU
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 512 MB
Vendor: ATI (0x1002)
Device ID: 0x944a
Revision ID: 0x0000
ROM Revision: 113-B9090C-181
EFI Driver Version: 01.00.327
Displays:
iMac:
Resolution: 1920 x 1200
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes

System Software Overview:

System Version: Mac OS X 10.7.4 (11E53)
Kernel Version: Darwin 11.4.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Secure Virtual Memory: Enabled
64-bit Kernel and Extensions: Yes
Time since boot: 16:17
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85 Dwarf Warrior
9975
Repairing WoW did nothing to fix this issue, and I can confirm that it happens in both 32 bit and 64 bit clients.
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86 Human Hunter
6800
Time to be a bit of a thread necromancer here. This is still an on going issue and I haven't been able to find a blue response that fixes the problem.
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Support Forum Agent
Can you post some steps so that we can attempt to reproduce it again? Are you using Command-M to go into window mode, or the in-game options?
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1 Tauren Hunter
0
This has been happening to me as well. I use the in-game options to enter windowed mode.

Hardware Overview:

Model Name: iMac
Model Identifier: iMac12,1
Processor Name: Intel Core i5
Processor Speed: 2.5 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 6 MB
Memory: 8 GB
Boot ROM Version: IM121.0047.B1F
SMC Version (system): 1.71f22


AMD Radeon HD 6750M:

Chipset Model: AMD Radeon HD 6750M
Type: GPU
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 512 MB
Vendor: ATI (0x1002)
Device ID: 0x6741
Revision ID: 0x0000
ROM Revision: 113-C2950H-170
EFI Driver Version: 01.00.544
Displays:
iMac:
Resolution: 1920 x 1080
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Connection Type: DisplayPort

System Software Overview:

System Version: Mac OS X 10.7.4 (11E53)
Kernel Version: Darwin 11.4.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Secure Virtual Memory: Enabled
64-bit Kernel and Extensions: Yes
Time since boot: 5 days 19:54
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Support Forum Agent
What happens when you use Command-M to toggle Window mode?
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100 Human Mage
9975
I always use cmd.-M. When it happens, it's a black window that does not match the window size/position it "used" to use and shortly it will kernel panic. Launcher's Verify/Repair seems to always fix the issue. It SEEMS the issue arises when some client patch happens, but sometimes I think it started without any new content.
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85 Dwarf Warrior
9975
I've never used Command M, always the in game options, clicking on the drop down menu and selecting either windowed mode, the results are the same.

EDIT: Just tried cmd M, same issue occurred.

As an aside, I do not have this problem with the beta client. It goes to windowed mode without any issues.
Edited by Melmoth on 7/24/2012 5:39 PM PDT
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90 Night Elf Druid
14510
Any new updates on this issue? I'm still getting this to happen in my release Cata version even after uninstalling MoP Beta (it started after I had installed MoP Beta like the others here).

My steps to replicate are;
1) While in-game, press <esc> to access the in-game menu.
2) Select "Options"
3) Select "Graphics"
4) Under the "Display" section I select "Windowed" from the "Display Mode" drop down menu.
5) Click "Apply", game shifts to windowed mode but the window is completely black with the game is still running (I can hear the audio).
6) Doing anything else causes the window to disappear and I can no longer even see the desktop (Menu bar at the top is gone as is the dock but background image is still there).
7) Click on the area where the dock should be and the desktop returns. I can then quit WoW by right clicking on the icon in the dock.

Now, if I relaunch the game, I am in windowed mode at the login screen. If I return the game to fullscreen mode (using the steps above but selecting "fullscreen" instead of "windowed") the game switches modes properly with no issues. It also switches modes just fine if I return the game to fullscreen while in-game (instead of doing it at the login screen).

I really hope this can get fixed because it's quite annoying to have to exit out of the game to launch Vent or something everytime I raid.

My system info:

Hardware:
Model Name: iMac
Model Identifier: iMac7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 4 GB
Bus Speed: 800 MHz
Boot ROM Version: IM71.007A.B03
SMC Version (system): 1.21f4

Graphics/Displays:
ATI Radeon HD 2600 Pro:

Chipset Model: ATI,RadeonHD2600
Type: GPU
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 256 MB
Vendor: ATI (0x1002)
Device ID: 0x9583
Revision ID: 0x0000
ROM Revision: 113-B2250F-219
EFI Driver Version: 01.00.219
Displays:
iMac:
Resolution: 1920 x 1200
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Display Connector:
Status: No Display Connected

Software:
System Software Overview:

System Version: Mac OS X 10.6.8 (10K549)
Kernel Version: Darwin 10.8.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Secure Virtual Memory: Not Enabled
64-bit Kernel and Extensions: No
Time since boot: 1:38
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85 Dwarf Warrior
9975
Issue is resolved for me. I can minimize now with no problem.
Edited by Melmoth on 8/21/2012 1:42 AM PDT
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