I have a near perfect Acer Aspire 4752 with Intel HD Graphics 3000 and 4GB RAM. 
  
One of the issues I have is no Fan speeds read with latest HWSensors. 
  
If anyone knows of a dsdt edit that will get the fans working again, I would be grateful. 
  
PS. I found a patch for Acer Fan dsdt, but it introduces a single error I cannot fix, and won't compile because of it  
  
It should work with any patch for the 4xxx to 5xxx series. 
  
I believe the fan is BIOS controlled, so a recent completely unlocked BIOS would be just as well received  
  
Many thanks in advance...