Book of Laptop
http://adiedkhazbook.blogspot.com/p/the-basic-of-laptop-technician-service.html
Bios Password Removal
http://biospassword.eu/free-1/dell-free-passwords
https://bios-pw.org/
HP Pavilion DV5 (Black screen, Bios corrupted)
https://www.youtube.com/watch?v=XUCiYG6ztc0
Computer POST & beep codes
https://www.computerhope.com/beep.htm
Iphone 6 Screen Repair
https://www.youtube.com/watch?v=ogu0gjdLyvM
How to replace Charger Port on Samsung Galaxy Tab S (T807T)
https://www.youtube.com/watch?v=GEgg66szoBw
Asus X53U (External display OK, but laptop has blank screen)
https://www.youtube.com/watch?v=hzNrKxEzxvA