Try to open the laptop on the battery side try to take the covers of and see where the van is
take a paint brush,clean the fan and clean up with the vacuum cleaner
I think that will solve the problem
you won't believe how much dust comes in there
Steve, Di & Ziggy We named our Motorhome "Roadworx" because on the road works "On The Road Again" Ford Transit with 302 Windsor V8 conversion, C4 Auto, 9 Inch Ford Diff All Lighting L.E.D., 260 Amp/h AGM, 530 Watt Solar + Kipor Backup Gen.