Dell Inspiron 15 3520 - Disassembly and fan cleaning - Laptop repair

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Disassembly and fan cleaning Laptop repair
acement fan and heatsink
+replacement battery module
+replacement main access pannel
+replacement optical drive
+ replacement hard drive/ssd
+ replacement wi-fi
+ replacement keyboard
+ disconnect touchpad
+ disconnect USB
+ disconnect screen
+ replacement motherboard
+clean fan and heatsink
+clean CPU/GPU

[@Tinker001]

Various still images from the service manual... But not the ones that actually show critical information. No instruction. Annoying music. Check. Yet another pointless video.