A:AnswerYou would press the start button on the upper left side of the keyboard. The light near the charging port will change color when the battery is fully charged.
A:AnswerHere is the maintenance and service manual for your laptop. This is for authorized service providers.
http://h10032.www1.hp.com/ctg/Manual/c06242992
Page 56 has the information for the parts that will be needed.
The next few pages through page 62 are instructions for a service provider to replace the display screen.