How to disassemble Dell Inspiron 15 7577

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 google+:https://plus.google.com/u/0/109491301331806643704/posts twitter:https://twitter.com/bibi100106