Screen Resolution Changes after Sleep

After my 15 minute threshold my MacBook Pro puts the external display to sleep. Neither use of the keyboard or mouse reactivates the screen. I have to raise the lid on the closed MacBook Pro before the external display comes back. When it resumes its display, it isn't in the proper resolution. Using the Display Panel to reset the resolution reveals a scale that doesn't show the full capability of the external monitor. It doesn't show the monitor's maximum resolution of 2560 x 1600.
I'm using a 2011 March MacBook Pro with Windows 7 Ultimate 64-bit install. The Boot Camp drivers are at 4.0. I've got AMD's 8.812.0.0 driver installed on the AMD Radeo HD 6750M. The external monitor is a HP zr30W with driver version 1.0.0.0 with 14/12/2009 date.
Any ideas on how to resolve this?
Thanks.

Try this
Click the Apple
System Preferences
Security
General
There should be a tab that says "Log out after ___ minutes of activity.
Make sure that is set to whatever you want it to be or disabled. I disabled mine.
after that your macbook shouldnt log you out automatically and you won't have that problem anymore.
i had the same problem and did that and now its all good.
hope this helps.

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thewayofzen
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
FontPath "/usr/share/fonts/artwiz-fonts"
EndSection
Section "Module"
Load "bitmap"
Load "ddc"
Load "extmod"
Load "int10"
Load "vbe"
Load "record"
Load "GLcore"
Load "dbe"
Load "xtrap"
Load "dri"
Load "glx"
Load "extmod"
Load "type1"
Load "freetype"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
#DisplaySize 330 240 # mm
Identifier "Monitor0"
VendorName "DEL"
ModelName "DELL D1025TM"
### Comment all HorizSync and VertRefresh values to use DDC:
HorizSync 30.0 - 85.0
VertRefresh 50.0 - 120.0
Modeline "1152x864_85.00" 119.65 1152 1224 1352 1552 864 865 868 907 -HSync +Vsync
Gamma 1.71
Option "DPMS"
EndSection
Section "Device"
### Available Driver options are:-
### Values: : integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "NoAccel" # [<bool>]
#Option "SWcursor" # [<bool>]
#Option "Dac6Bit" # [<bool>]
#Option "Dac8Bit" # [<bool>]
#Option "BusType" # [<str>]
#Option "CPPIOMode" # [<bool>]
#Option "CPusecTimeout" # 
#Option "AGPMode" # 
#Option "AGPFastWrite" # [<bool>]
#Option "AGPSize" # 
#Option "GARTSize" # 
#Option "RingSize" # 
#Option "BufferSize" # 
#Option "EnableDepthMoves" # [<bool>]
#Option "EnablePageFlip" # [<bool>]
#Option "NoBackBuffer" # [<bool>]
#Option "DMAForXv" # [<bool>]
#Option "FBTexPercent" # 
#Option "DepthBits" # 
#Option "AccelDFS" # [<bool>]
#Option "PanelOff" # [<bool>]
#Option "DDCMode" # [<bool>]
#Option "MonitorLayout" # [<str>]
#Option "IgnoreEDID" # [<bool>]
#Option "UseFBDev" # [<bool>]
#Option "MergedFB" # [<bool>]
#Option "CRT2HSync" # [<str>]
#Option "CRT2VRefresh" # [<str>]
#Option "CRT2Position" # [<str>]
#Option "MetaModes" # [<str>]
#Option "MergedDPI" # [<str>]
#Option "MergedXinerama" # [<bool>]
#Option "MergedXineramaCRT2IsScreen0" # [<bool>]
#Option "MergedNonRectangular" # [<bool>]
#Option "MergedMouseRestriction" # [<bool>]
#Option "DisplayPriority" # [<str>]
#Option "PanelSize" # [<str>]
#Option "ForceMinDotClock" # <freq>
#Option "ColorTiling" # [<bool>]
#Option "VideoKey" # 
#Option "RageTheatreCrystal" # 
#Option "RageTheatreTunerPort" # 
#Option "RageTheatreCompositePort" # 
#Option "RageTheatreSVideoPort" # 
#Option "TunerType" # 
#Option "RageTheatreMicrocPath" # <str>
#Option "RageTheatreMicrocType" # <str>
#Option "RenderAccel" # [<bool>]
#Option "SubPixelOrder" # [<str>]
#Option "ShowCache" # [<bool>]
#Option "DynamicClocks" # [<bool>]
#Option "BIOSHotkeys" # [<bool>]
#Option "VGAAccess" # [<bool>]
#Option "ReverseDDC" # [<bool>]
#Option "LVDSProbePLL" # [<bool>]
#Option "AccelMethod" # <str>
#Option "ConstantDPI" # [<bool>]
Option "AGPMode" "4"
Option "AGPFastWrite" "True"
Option "EnablePageFlip" "True"
Identifier "Card0"
Driver "ati"
VendorName "ATI Technologies Inc"
BoardName "Radeon RV100 QY [Radeon 7000/VE]"
BusID "PCI:1:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
# SubSection "Display"
#DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1200x720" "1152x864" "1024x768" "800x600" "720x400" "720x350" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1200x720" "1152x864" "1024x768" "800x600" "720x400" "720x350" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1200x720" "1152x864" "1024x768" "800x600" "720x400" "720x350" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1200x720" "1152x864" "1024x768" "800x600" "720x400" "720x350" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1200x720" "1152x864" "1024x768" "800x600" "720x400" "720x350" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1200x720" "1152x864" "1024x768" "800x600" "720x400" "720x350" "640x480"
EndSubSection
EndSection
# Viewport 0 0
# Depth 1
# EndSubSection
# SubSection "Display"
# Viewport 0 0
# Depth 4
# EndSubSection
# SubSection "Display"
# Viewport 0 0
# Depth 8
# EndSubSection
# SubSection "Display"
# Viewport 0 0
# Depth 15
# EndSubSection
# SubSection "Display"
# Viewport 0 0
# Depth 16
# EndSubSection
# SubSection "Display"
# Viewport 0 0
# Depth 24
# EndSubSection
#EndSection
Section "DRI"
Mode 0666
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
Last edited by thewayofzen (2007-11-16 12:22:55)

Is there anything insteresting in /var/log/Xorg.0.log? Have you tried switching the driver to vesa?
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
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FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
FontPath "/usr/share/fonts/artwiz-fonts"
EndSection
Section "Module"
Load "bitmap"
Load "ddc"
Load "int10"
Load "vbe"
Load "record"
Load "GLcore"
Load "dbe"
Load "xtrap"
Load "glx"
Load "extmod"
Load "type1"
Load "freetype"
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Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "DEL"
ModelName "DELL D1025TM"
Option "DPMS"
EndSection
Section "Device"
Identifier "Card0"
Driver "ati"
VendorName "ATI Technologies Inc"
BoardName "Radeon RV100 QY [Radeon 7000/VE]"
BusID "PCI:1:0:0"
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Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1152x864"
EndSubSection
EndSection
Try using the above as your xorg.conf file - I've cleaned it up a bit and removed everything that's not essential. If it works you can always add all the that you need from your old xorg.conf file and if it doesn't - well, I guess it won't hurt to try...
Last edited by fwojciec (2007-11-14 07:09:02)

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I have noticed a similar issue with Vista running on my non-Toshiba notebook The graphic driver update helps definitely.
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