#Black Screen and White Screen
Ops in the morning your laptop boot up like this, OMG what going on, i need to send mail, documents, send file.... keep calm and look at this.
1. Remove screws, battery, hdd
2.Remove cable touchpad,keyboard,power button (be careful dont broken cable)
3.Take a look and clean motherboard
4.Remove lcd cable conector
5.Use brush and acohol clean the lcd conector pin, slow clean dont strong.
6. Put all (cable,screws,touchpad,keyboard,battery,hdd) back and press power button.