[ubuntu netbook remix] cups restarting and random white screen samsung nc10

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http://ubuntuforums.org – I recently installed UNR 9.10 on my fiancees samsung nc10 and she loves it, however there have been a couple of problems. Sometimes it will randomly goto a black screen and display a message about restart the cups server, but then it locks up and has to be restarted. There is no printer configured on her computer. Other times it will goto a white screen and flicker, which usually happens with firefox and I assume has something to do with the video driver or some X settings. I tried looking around but didn't find anything else about this. Hopping somebody had solved the same problem or knows what it might be. Thanks in advance Andrew (Hardware)