acer 5635

Hello, I have acer extensa 5635 and the fan started making really weird and loud sound that sometimes goes away with restart. I guess it needs cleaning but the YouTube disassembly shows that I have to disassemble everything to reach it (as always) and then I end up with this fan does not seem...

Hi, I got the idea the battery wear level of 90% is good but charge level is 0% and it doesn't not hold any charge, I remember laptop used to stay on for 5sec before turning off when unplugged. additional info from cpuid harware: Designed capacity 47520 mWh Full chrage 5141mWh battery...