A:AnswerYes you can. Here is a link to instructions for changing the size of the content on your Windows 10 screen: https://www.thewindowsclub.com/change-screen-resolution-windows-10-2
A:AnswerYes, this laptop will run CAD. I recommend upgrading the RAM to 16gb though. This laptop has a built in 4gb and a 4gb ddr4 ram card, only one ram slot. If you buy a 16gb ram card you will end up with 20gb of ram. You can find 16gb ram cards online for around $60.
A:AnswerThe dimensions of this computer are: 16.46 x 11.52 x 0.98 inches. Any case made for a 17.3" laptop should work. Use the case dimensions compared to the computer dimensions to confirm compatibility.
A:AnswerThis device does have a CD/DVD-RW drive. You will need Media Player software to play commercial CDs and DVDs, which is not included with Windows 10 Home.