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Old 03-22-2013, 10:56 AM   #1
kaztenburg
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Registered: Aug 2010
Posts: 4

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Extended Desktop Debian


Hello all I just installed Debian on my computer no other os's,and trying to setup dual monitors.As of now I have mirrored displays on both monitors,I would like to have an extended desktop on the second monitor. I am using onboard intel graphics one output is vga the second dvi. I have been googling and think this needs to be done with xrandr however for some reason it shows I only have one monitor.Any help would be most appreciated.In the display section of system settings in kde I only show one monitor when I click the multiple monitors I get the message:
This module is only for configuring systems with a single desktop spread across multiple monitors.You do not appear to have this configuration. There is no check box to enable multiple monitors.I also do not appear to have an xorg.conf file.

My System:
Distributor ID: Debian
Description: Debian GNU/Linux 6.0.7 (squeeze)
Release: 6.0.7
Codename: squeeze

00:00.0 Host bridge: Intel Corporation Sandy Bridge DRAM Controller (rev 09)
Subsystem: ASUSTeK Computer Inc. Device 844d
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>

00:01.0 PCI bridge: Intel Corporation Sandy Bridge PCI Express Root Port (rev 09) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Capabilities: <access denied>
Kernel driver in use: pcieport

00:02.0 VGA compatible controller: Intel Corporation Sandy Bridge Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 844d
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>

Heres my motherboard:http://www.asus.com/Motherboards/P8H67M/#specifications I have the i72600k and 16GB of ram.

administrator@DebianBeast:/etc/X11$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1368 x 768, maximum 1368 x 768
default connected 1368x768+0+0 0mm x 0mm
1366x768 0.0
1024x768 0.0
800x600 0.0
640x480 0.0
1368x768 0.0*
administrator@DebianBeast:/etc/X11$
 
Old 03-22-2013, 11:53 AM   #2
ukiuki
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Registered: May 2010
Location: Planet Earth
Distribution: Debian
Posts: 1,019

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Im not so sure but normally those onboard video cards are designed to work with one monitor only. As you already found out the system only see one monitor. Some offboard video cards can handle dual monitors but the sockets are one of a kind. Plugging 2 monitors with different interface types my damage the video card, I would do some research 1st before doing so.

Regards
 
Old 03-22-2013, 08:55 PM   #3
kaztenburg
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Registered: Aug 2010
Posts: 4

Original Poster
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supported

Hey thanks for the reply I have used dual monitor output with windows as per my motherboard manual dsub and dvi dual output is supported
 
Old 03-22-2013, 09:19 PM   #4
Luiz_andrade
LQ Newbie
 
Registered: Nov 2012
Distribution: Debian 6
Posts: 7

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I‘ve been there!

I‘ve had the same problem with debian 6 too. I think with 2.6.32 Linux kernel or something. Intel chipset, but not the same. Didn‘t worked it out. But a friend shiwed me these days, that intel released a new driver. www.01.org see if works out. Haven‘t checked myself, but maybe it‘ll work for you!


My regards!
Luiz Andrade
 
  


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