Futurebatt 6Cell 5200mAh Laptop Battery for HP ProBook 6440b 6445b 6450b 6535b 6540b 6545b 6550b 6555b Notebook

hello today we're gonna disassemble HP probook six four five zero B we're gonna clean the fan also change the thermal paste so I'm gonna show you how to do it on this model is it's not very hard to open it there is a few basic steps the first thing we're gonna do of course like usual we're gonna unplug the battery like this on that model we have to remove the screws which are holding the keyboard and after that the whole cooling is under the keyboard we're going to remove the keyboard so let's start now there is I think three screws which are holding the keyboard on the place and also we have to remove the cover above the keyboard so we have to take down the this cross here which are holding the plastic some of the screws are little bent so I gotta use a different screwdriver yep like this let's check again yeah and that's it now we're gonna flip the laptop and the keyboard have three c