hi my emacines 4216 wont boot no siganal to monitor checked cables ect inside and out everyting properly conected its not been running great for ages will just cut out or take several atemps to start had blue screen 10- 15 times saying windows shut down to prevent damgage to your pc but it fially died today any tips where to start rebuilding it hoping to fix it with some used parts. one thing i did notice was a lot of dust in cpu fan so i removed it to have a look not sure if heat sink was on cpu properly was a thick layer of dust on back of chip and no trace of thermal paste could cpu brnt out