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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 05-10-2012, 09:20 AM   #1
mfan
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Registered: Sep 2010
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Distribution: Ubuntu 11.10, 12.04
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External monitor not detected (Asus eeepc netbook, Ubuntu 12.04)


Hi, guys!

I have an Asus eeepc 1101ha netbook.
I installed recently Ubuntu 12.04 LTS.
The netbook has the Poulsbo graphics chip. I am using the PSB-GFX driver, having followed these instructions.
The netbook generally works well.

The problem: When I connect an external monitor, it is not detected.
The "displays" window shows only the internal monitor.
xrandr as well.
disper as well.

I have no /etc/X11/xorg.conf file.
Native resolution of the internal monitor is 1366x768.
Native resolution of the external monitor is 1024x768.

Code:
user@netbook ~ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation System Controller Hub (SCH Poulsbo) Graphics Controller (rev 07)
user@netbook ~
I tried to logout and login again having the external monitor connected, in order to see what happens. No difference.

I tried to reboot having the external monitor connected. The netbook starts in 1024x768 resolution (leaving a black stripe on the right of its internal screen!!) and duplicating the display and showing it correctly in the external monitor. (If I try to suspend, I lose the external after waking up, but this is another issue.)

So, the problem is in the driver, right? I actually don't have a driver choice for this netbook. Is there anything I can do?

Thanks in advance!
Manolis.
 
Old 05-10-2012, 09:58 AM   #2
camorri
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Many laptops and netbooks do not activate the external VGA port. Usually there is a hot key combination defined in the BIOS that activates the port.

I have a HP netbook, and to use the external port, I have to hit a Fn key plus F4 key. Have a look at the documentation for the hardware to see if you have such a combination.
 
Old 05-14-2012, 03:31 AM   #3
mfan
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Registered: Sep 2010
Location: Germany
Distribution: Ubuntu 11.10, 12.04
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Quote:
Originally Posted by camorri View Post
Many laptops and netbooks do not activate the external VGA port. Usually there is a hot key combination defined in the BIOS that activates the port.

I have a HP netbook, and to use the external port, I have to hit a Fn key plus F4 key. Have a look at the documentation for the hardware to see if you have such a combination.
Haha, you are right. That's one of the obvious I didn't try.

For Asus eeepc 1101ha, the key combination is Fn+F8. But sadly, it does not do anything in Ubuntu 12.04. I just tried. )-:
 
Old 05-14-2012, 06:29 AM   #4
camorri
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You probably need to get the external monitor detected. Here are a couple of links that may give you some help.

http://askubuntu.com/questions/12122...l-on-boot-no-h

and...

http://maketecheasier.com/output-dis...ntu/2007/11/22

Try the command 'xrandr' in a konsole. See if you get something like 'VGA1 disconnected' If you do, then it is a case of getting the monitor detected. On modern xorg systems there are config files for the monitors. Its been a while since I ran Ubuntu, so I can not tell you the names of the files. Hopefully the above links will get your external monitor going.
 
  


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