Hi all, I've just installed a debian lxde 7.4 on my dell optiplex 9020. I would like to install 2 screens, but only one is recognize.
Here are some infos on my system. Do you have any idea ??? I think about upgrading the stable kernel with the testing kernel. I don't know if it's a good idea !!! Regards, Benjamin *$ uname -a* *Linux bdedardel-pc 3.2.0-4-amd64 #1 SMP Debian 3.2.54-2 x86_64 GNU/Linux* *$ lspci -nn | grep VGA* *00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell Integrated Graphics Controller [8086:0412] (rev 06)* *$ xrandr -q* *xrandr: Failed to get size of gamma for output default* *Screen 0: minimum 640 x 480, current 1920 x 1080, maximum 1920 x 1080* *default connected 1920x1080+0+0 0mm x 0mm* *1920x1080 0.0* * *1280x1024 0.0 * *1024x768 0.0 * *800x600 0.0 * *640x480 0.0 * *$ sudo xresprobe -h* *id: DELL P2314H* *res: 1920x1200 1920x1080 1600x1000 1280x1024 1152x864 1024x768 800x600 720x400 640x480* *freq: 30-83 56-76* *disptype: lcd/tmds* *$ sudo ddcprobe -h * *vbe: VESA 3.0 detected.* *oem: Intel(R) HSW Mobile/Desktop Graphics Chipset Accelerated VGA BIOS* *vendor: �* *product: �� �* *memory: 32704kb* *mode: 1280x1024x256* *mode: 1280x1024x64k* *mode: 1280x1024x16m* *mode: 1024x768x256* *mode: 1024x768x64k* *mode: 1024x768x16m* *mode: 640x480x16m* *mode: 800x600x64k* *mode: 800x600x16m* *mode: 640x480x256* *mode: 800x600x256* *mode: 640x480x64k* *edid: * *edid: 1 4* *id: 4098* *eisa: DEL4098* *serial: 41585553* *manufacture: 47 2013* *input: composite sync, digital signal.* *screensize: 51 29* *gamma: 2.200000* *dpms: RGB, active off, no suspend, no standby* *timing: 720x400@70 Hz (VGA 640x400, IBM)* *timing: 640x480@60 Hz (VGA)* *timing: 640x480@75 Hz (VESA)* *timing: 800x600@60 Hz (VESA)* *timing: 800x600@72 Hz (VESA)* *timing: 800x600@75 Hz (VESA)* *timing: 1024x768@87 Hz Interlaced (8514A)* *timing: 1024x768@75 Hz (VESA)* *ctiming: 1152x864@75* *ctiming: 1280x1024@60* *ctiming: 1600x1000@60* *ctiming: 1920x1200@60* *dtiming: 1920x1080@67* *monitorserial: J8J313BKAXUS* *monitorname: DELL P2314H* *monitorrange: 30-83, 56-76* *$ sudo inteltool -a* *Intel CPU: Family 6, Model c* *Intel Northbridge: 8086:0c00 (unknown)* *Intel Southbridge: 8086:8c4e (unknown)* *============= GPIOS =============* *Error: Dumping GPIOs on this southbridge is not (yet) supported.* *============= RCBA ==============* *Error: Dumping RCBA on this southbridge is not (yet) supported.* *============= PMBASE ============* *Error: Dumping PMBASE on this southbridge is not (yet) supported.* *============= MCHBAR ============* *Error: Dumping MCHBAR on this northbridge is not (yet) supported.* *============= EPBAR =============* *Error: Dumping EPBAR on this northbridge is not (yet) supported.* *============= DMIBAR ============* *Error: Dumping DMIBAR on this northbridge is not (yet) supported.* *========= PCIEXBAR ========* *Error: Dumping PCIEXBAR on this northbridge is not (yet) supported.* *Error: Dumping MSRs on this CPU (0x0006c0) is not (yet) supported.*