On 04/12/2007 06:04 AM, OOzy Pal wrote: > My lap tops hanged so I did a Recovery Mode start. I noticed that my > laptop hangs at > > ACPI: Unable to turn cooling device [df6583b0] 'on' > > Kernel 2.6.17.10-generic,. > > any help? You could try E at the grub menu and add pci=noacpi to see if that allows you to continue the boot.