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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 09-28-2010, 08:18 AM   #1
taylorkh
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Disconnects from network when I close the screen


Ubuntu 10.04 on a Dell Latitude 2100 netbook.

I just came across and solved this problem. Thought I would post it in case it might help someone else.

I just completed a clean install of 10.04 to replace the factory 9.04 install as support for 9.04 will be ending soon. I have discovered that when I lock the screen the wireless network connection disconnects. The computer disappears from my network and when I unlock the computer I see the message Newtork disconnected...

At least that was my first thought. Further testing showed that the disconnect actually occurs when I closed the screen on the netbook. This did NOT happen with Ubuntu 9.04

I suspected that this was something netboot/laptop specific. I looked at System; Admin; Power Management Preferences and low and behold I found "When laptop lid is closed:" The choice was set to "Suspend". I changed it to Blank Screen and the machine now stays on line even when the screen (or lid) is closed.

Ken

p.s. Why would I want a netbook on-line with the screen closed you ask? Seven watts is the answer. That is what the netbook draws with the screen dark - compared to 160 watts for my quad core desktop with the monitors off! If I have a large batch of data to download from usenet or elsewhere I queue it up on the netbook and let it do its low power thing
 
Old 09-28-2010, 08:46 AM   #2
MensaWater
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