[ltp] T43 - "no signal" on external monitor

Matthias Runge linux-thinkpad@linux-thinkpad.org
Mon, 08 Mar 2010 11:28:52 +0100


On 07/03/10 23:29, Robert Tomsick wrote:
> On Sun, 2010-03-07 at 11:18 +0000, Michael Rodden wrote:
>    
>> I've got T43 with Ubuntu 9.10. Has always worked with any external monitor.
>> However - lost it all of a sudden. Don't know what I did. Checked cables.
>> Tried Fn F7. No good. Doesn't work on any external monitor. "No signal" is all
>> I get. Anyone got any ideas? Thanks.
>>      
> If you don't have a model with an integrated GPU then I suspect you may
> be looking at the first stages of one of the infamous GPU failures that
> plagues the T4x series.
>
> I hope it's not that, as it's a pain to deal with those, but it sure
> does sound suspiciously like a number of accounts I've heard...
>
> -Rob
>    
please post output of xrandr -q or try xrandr --output VGA-0 --auto
If this works, you just have a problem with your key config.

Matthias