Laptop x 60 get over heat and smoke from the fan appear , I pulled out the battery when i see smoke and repleace windows 8 with windows 7, the smoke come after I check battery optoin on windows 8 for life time spanning, then now its working on windows 7 only on AC , battery cannot charge, I bought new one same and another new battery is the same nothing change, I belive there is a problem in the charging circuit, because it charge only 0 % on linux and also the yellow led is blinking for the battery led