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Old 11-29-10, 08:59 PM   #1
prestonr83
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Join Date: Nov 2010
Posts: 3
Default HDMI to Toshiba TV going black

I have searched google till I am blue in the face over the past year and cannot find a solution. Hope maybe someone here could offer me some. I have a 36' Toshiba LCD TV. I am trying to connect it VIA HDMI to a linux box running a geforce card. Now in the bios or not in X the screen shows up just fine. Once X loads no matter what resolution I try 1080i or 720p the screen comes up fine for about 15 seconds then the tv goes black and controls freeze up. I cannot change input or anything. I have to hold down power button on TV for 5 seconds it then shuts off. I can turn it back on and again the image will be fine for 15 seconds or so. This is only happening once X loads. I have also tested with a Windows 7 box over HDMI and it works just fine. I have tried all kinds of settings in xorg.conf. I cannot seem to find the issue. Please any help would be great. Here is a copy of my current xorg.conf its just basic nothing special in it right now. Figured I'd try from scratch.


# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder75) Thu Apr 22 11:44:23 PDT 2010

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
EndSection

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
Option "FlatPanelProperties" "Scaling = Native"
EndSection

Section "Screen"
Option "FlatPanelProperties" "Scaling = Native"
Option "HWCursor" "Off"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "NoLogo" "True"
Option "DynamicTwinView" "False"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Extensions"
Option "Composite" "Disable"
EndSection
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Old 11-30-10, 10:50 AM   #2
_john_i_
gtx260/8200M G/DIY Linux
 
Join Date: Aug 2004
Location: Austin, TX USA
Posts: 137
Default Re: HDMI to Toshiba TV going black

Maybe you have something wrong in the timings in the monitor section of the xorg.conf file.

Try commenting out the ' Monitor "Monitor0" ' line in the screen section, and let the drivers autodetect it.
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Old 11-30-10, 05:13 PM   #3
prestonr83
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Join Date: Nov 2010
Posts: 3
Default Re: HDMI to Toshiba TV going black

Quote:
Originally Posted by _john_i_ View Post
Maybe you have something wrong in the timings in the monitor section of the xorg.conf file.

Try commenting out the ' Monitor "Monitor0" ' line in the screen section, and let the drivers autodetect it.
I gave that a shot and it came up with a funky resolution and then the screen went black again.
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Old 12-01-10, 08:35 AM   #4
BigdaveyL
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Join Date: Feb 2009
Posts: 15
Default Re: HDMI to Toshiba TV going black

I have a similar problem here. No working solutions yet...
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Old 12-02-10, 11:47 AM   #5
_john_i_
gtx260/8200M G/DIY Linux
 
Join Date: Aug 2004
Location: Austin, TX USA
Posts: 137
Default Re: HDMI to Toshiba TV going black

A long shot, but have you tried a different HDMI cable? I had a bad cable once where the screen would go black from time to time, and the problem went away when I replaced the cable.

Another thing you might look into, is check and see if your TV manufacturer offers a firmware update for the TV. I have a Phillips LED TV with a USB port, and was able to download a firmware update, and put the file on a flash drive. Just power on the TV with the flash drive in it, and it detected the update on the flash drive and flashed the firmware.
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Old 12-02-10, 01:55 PM   #6
BigdaveyL
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Join Date: Feb 2009
Posts: 15
Default Re: HDMI to Toshiba TV going black

Quote:
Originally Posted by _john_i_ View Post
A long shot, but have you tried a different HDMI cable? I had a bad cable once where the screen would go black from time to time, and the problem went away when I replaced the cable.

Another thing you might look into, is check and see if your TV manufacturer offers a firmware update for the TV. I have a Phillips LED TV with a USB port, and was able to download a firmware update, and put the file on a flash drive. Just power on the TV with the flash drive in it, and it detected the update on the flash drive and flashed the firmware.
Same thing happens with a DVI-HDMI cable.

No firmware updates for my TV
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Old 12-02-10, 04:35 PM   #7
prestonr83
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Join Date: Nov 2010
Posts: 3
Default Re: HDMI to Toshiba TV going black

Quote:
Originally Posted by _john_i_ View Post
A long shot, but have you tried a different HDMI cable? I had a bad cable once where the screen would go black from time to time, and the problem went away when I replaced the cable.

Another thing you might look into, is check and see if your TV manufacturer offers a firmware update for the TV. I have a Phillips LED TV with a USB port, and was able to download a firmware update, and put the file on a flash drive. Just power on the TV with the flash drive in it, and it detected the update on the flash drive and flashed the firmware.
I have tried multiple cables and same issue. I will check the manufacture to see if there is a firmware update and report back. Thanks.
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