[ubuntu] Reason for blinking caps lock light?

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http://ubuntuforums.org – So, I just booted my computer (Acer Aspire One (AOA 150) with Ubuntu 9.04 or something...I'm in the process of getting the new iso for a new install) after two years of non-use and found that it had a new development: Sometimes the screen goes black with just the cursor, the caps lock light blinks, and it is completely frozen. I read that this is usually a sign of a kernel panic, but I am wondering which log file to read to find out why. Also, if anyone happens to have had this problem with an Acer Aspire One and has a solution that would be appreciated. Thanks. (Hardware)