External monitor blacks out

The external monitor I use with my MBP has stared blacking out - usually for about 30 seconds, sometimes more. Any ideas how I can fix it?

Originally Posted by ammtosh
I would try the French service, Toshiba is an international company. If you have a problem with your Italian car in France you go to the French workshop...
Yes maybe you are right. Still, annoying not being a fluent French speaker to have to deal with them.... and with 90% possibility that they'll say "if you bought in Italy you should talk to them". I'll try.
PS: another ridiculous thing: you buy a product that has a problem, and you need to pay to call the support service? Really not acceptable....
The dark side is strong.... actually, I start wondering which is the real dark side. Theory of relativity!

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    Originally Posted by ammtosh
    I would try the French service, Toshiba is an international company. If you have a problem with your Italian car in France you go to the French workshop...
    Yes maybe you are right. Still, annoying not being a fluent French speaker to have to deal with them.... and with 90% possibility that they'll say "if you bought in Italy you should talk to them". I'll try.
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    The dark side is strong.... actually, I start wondering which is the real dark side. Theory of relativity!

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    Here's the Console Log from the time when it last happened:
    7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
    7/6/13 8:23:24.436 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.436 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.436 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.437 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.437 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.437 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.438 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.438 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.438 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.438 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.439 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.439 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.439 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.439 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
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    7/6/13 8:23:24.441 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
    7/6/13 8:23:24.441 PM Activity Monitor: _NXGetScreenRect: error getting display bounds (1001)
    7/6/13 8:23:24.441 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
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    7/6/13 8:23:24.442 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
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    7/6/13 8:23:24.480 PM Activity Monitor: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
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    7/6/13 8:23:24.711 PM loginwindow: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x0b4156b1
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    Did some further troubleshooting today, and wanted to share for anyone looking for solutions.
    Tried both DVI and DVI-RGB connections (different cables) on the Syncmaster monitor and symptoms were the same.
    Tried DVI-RGB into my Epson EX5200 projector - NO SYMPTOMS.
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    Vince

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