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I am new to linux and have been using it since a friend suggested to use it a month or so ago. I have knowledge of computers so I am not ignorant of everything (I say this for the linux pros in case this is a simple solution, and I have checked many forums before actually posting this question with no luck) and have tried several options. My laptop freezes at random times with the caps lock light blinking which seems a little strange. the only correlation I can make to this problem is that every time I use only wifi without the ethernet cable plugged in it will freeze. I have read a few forums that say it could be a bug in the wireless card drivers and some suggest it could also be graphic card drivers but it seems to only happen when wifi is enabled. I am using an ASUS G73 series with an ATI Mobility Radeon HD 5870 1GB GDDR5 graphics card, 8GB DDR3-1066 RAM, Atheros AR9285 802.11n Wireless LAN adapter, and an Intel Core i7-720QM processor (1.6GHz/2.8GHz Turbo Mode, 6MB L3 cache). I am also running Ubuntu 10.10 off of a 320 GB seagate Momentus and windows 7 off the stock 500 GB Seagate Momentus.
Thanks for any help and if any more information is needed please let me know.
According to this thread (which was originally for ArchLinux, but probably applies to your case as well) it's likely the ath9k driver (for your wireless card) that's causing the problem. Try installing the appropriate compat-wireless package (just pick the one for your system's kernel version).