Dell inspiron 5000 series orange light blinks 2 time white light blinks seven times. Laptop won't start. Checked Ram, and als

[shivamdx.rai57]

My cell inspiron 5000 series laptop won't start. It is also not charging. When i tried to start it, orange light blinks 2 times and white light blinks seven times. What to do ?

 

[GoProDavidLE]

Reseat the battery and try again

 

[martinezmarlen845]

I need help as well i does it require 8 gb ram or 4gb?