A:AnswerYes. I had the 2 GB module replaced with a 4 GB. {Note: There is no battery/drive cover, so the entire back of the case has to be removed.) The factory info says that 8 GB is the max. Also, I was surprised that I had to purchase a special low-voltage version of the RAM.
A:AnswerHeadphone jack silent?
Go to windows search square at the left bottom. Type "dell audio" all setting for headphones/microphone and more can be changed here.