purchased by my client there is a little over 3 years old (out of warranty so), I noticed a defective capacitor, yet this problem even on Intel, I am very disappointed in the quality of the product in the long run!
if you also have problems with performance or system blocked, look near the southbridge:
http://www.imagup.com/data/1174112646.html Image : IMG_0060.jpg
pictures with a voice overheating component side (Antec NSK4480 case with 12cm fan and 9cm rear front ventilated so very ...)
and your DP43TF ?