Actually, when the computer starts, the monitor is turned on and I can see the BIOS screen, grub, etc. It is turned off when X starts. Sorry, I forgot to say that in the original message.
2013/7/1 Darac Marjal <mailingl...@darac.org.uk> > On Mon, Jul 01, 2013 at 11:55:13AM -0300, Marcelo Elias Del Valle wrote: > > Hello, > > I have an Acer 771G notebook and when I installed debian wheezy, > I had > > my external monitor plugged. Now, if I restart my computer with the > > external monitor plugged, gdm3 shows ok and I can use the computer > > normally. However, if I start the computer without the external > monitor, > > the notebook monitor turns off until I plug the external one. I tried > to > > turn the laptop the default monitor, but no success, when I restart > the > > computer, same thing happens. > > Any hint on how to solve this? > > This sounds like a BIOS problem. If the laptop panel won't turn on > unless an external monitor is plugged in, then it may be that you have > to change the "default monitor" setting in the BIOS to "Internal" or > "Auto". > > Now, ideally, yes X should be detecting which displays are connected and > power up the internal one when it's the only one available, but it's not > inconceivable that the BIOS has powered down the graphics chip because > the default monitor is not plugged in. > > -- Marcelo Elias Del Valle http://mvalle.com - @mvallebr
