Monitor turns off at high resolution

Hi there,
I attached an external monitor via displayport to my lenovo x230 (Intel HD4000).
If I set the resolution to be 1920x1080 (or lower) everything runs fine. If I switch to the monitors native resolution (1920x1200) the monitor turns off after about 1 minute. The monitor tries to turn on again for two to three times, but only for few seconds.
If I dual boot to windows the monitor is running fine.
Any idea what might be the cause and how to fix it?
Thanks a lot

Config xorg, driver installed .... pick up the crystal ball and your answer in my thinkpad t430u (hd4000) with intel-dri, run perfect at 2560x.. or just the monitor is failing because raisins resolution supporting, i don't no. luck

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I have a TOSHIBA Satellite P300D-10V and I have a problem with overheating! When I load my CPU with 2,2 GHz for a long time, it turn off by high temperature!
What must be my solution about this problem?
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REGARDS!

Hi alexander79,
First of all you should know that cleaning the fan is not covered by warranty!!! Of course you can do this from an authorized service provider but for this service you have to pay, its not free!
More detailed instructions you can find in this how to article from Toshiba:
[How to clean the cooling system of a Toshiba notebook? |http://forums.computers.toshiba-europe.com/forums/ann.jspa?annID=40]
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I can think of 2 options.
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Make a "Genius" appointment at an Apple Store to have the machine tested.
Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
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don't know why it'd matter if I had a warranty or not since the function
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I'm using an iMac Intel (2007) with an external monitor. I used to have the external one on the left and the iMac on the right.
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xrandr --output LVDS --mode 1680x1050 --pos 0x0 --rotate normal --output DIN --off --output DVI-0 --mode 1920x1080 --pos 1680x0 --rotate normal
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Last edited by ifsixwasnine (2014-04-03 13:01:06)

Hi karkhaz,
Yes, computer is usable with just the external monitor, as a temporary workaround I'm running a `xset dpms force off` to turn off and on again both monitors.
xrandr output:
Screen 0: minimum 320 x 200, current 3600 x 1080, maximum 8192 x 8192
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1680x1050 60.0
1280x1024 75.0 60.0
1440x900 75.0 59.9
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 72.8 66.7 60.0
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1680x1050 60.0*+
1400x1050 60.0
1280x1024 59.9
1440x900 59.9
1280x960 59.9
1280x854 59.9
1280x800 59.8
1280x720 59.9
1152x768 59.8
1024x768 59.9
800x600 59.9
848x480 59.7
720x480 59.7
640x480 59.4
DIN disconnected (normal left inverted right x axis y axis)

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#Option "Dac8Bit" # [<bool>]
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#Option "VGAAccess" # [<bool>]
#Option "ReverseDDC" # [<bool>]
#Option "LVDSProbePLL" # [<bool>]
#Option "AccelMethod" # <str>
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#Option "DefaultConnectorTable" # [<bool>]
#Option "DefaultTMDSPLL" # [<bool>]
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#Option "ForceTVOut" # [<bool>]
#Option "TVStandard" # <str>
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