My laptop fan isn't turning and I can't seem to access it.

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http://crunchbang.org – The simplest solution might be that the fan just died, I'm seeing lots of hits on Google for "Inspiron E1505 fan". Does it run while the OS is loading? You can also try running from a live CD, something other than CrunchBang, to see if it runs then. If so, you can probably use lsmod to see what modules are loaded, which may give a solution. (HowTos)