Try disabling DPMS in the X setup. This can happen when the x video driver does not tell the card to turn on the DVI signal when it returns from the DPMS-off state.
On Thu, Jul 23, 2009 at 19:29, Mathieu Malaterre<[email protected]> wrote: > > > On Thu, Jul 23, 2009 at 5:36 PM, Bob McGowan<[email protected]> > wrote: >> >> [email protected] wrote: >>> >>> Hi there, >>> >>> Everytime I go out for lunch and comes back to my desk I cannot get the >>> screen to wake up. Apparently typing on the keyboard does not send any >>> signal from the computer to the screen. >>> >>> Using: >>> - debian 5.0 >>> - dell precision T7500 >>> - Display/Port cable >>> >>> Thanks, >> >> If the computer is just using a screen saver, then keyboard input would >> be all that's needed to "wake" it up. >> >> So, perhaps the system has been configured to suspend or hibernate. To >> get it back up, you need to press the 'power on' button. The system >> will find an image, either in RAM or in the swap partition, and will >> reload it. > > Another debian-user reported having similar problems. In the morning when I > get in, I do not have any problems. This seems to only appears on a shorted > breaks. And my dell 2709W / DisplayPort clearly state: "There is no signal > coming from your computer..." > > I'll see if I can use the 'Input Source' from the screen panel to wake the > sceen up, without having to shut it down and then shut it up again. > > Thanks anyway > -- > Mathieu > > > -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
