Computer Pixel Art

I am pretty new to pixel art and I wanted some feedback on how this computer looks, and how I can improve it.

pixel art computer

well fist i would recommend for you to try some colored outline second, you could also use some use some shade pixels on the neck and just keep going

take a look at this trend it will welcome you to the pixel world
https://pixeljoint.com/forum/forum_posts.asp?TID=11299&PID=139322#139322

Thanks for the feedback, is this better?
pixel art computer with shade

Now that I look at it, the shade is a bit simple, im probably gonna add more variation to it

Evil computer >:D

Looks like somebody smashed their keyboard a bit too hard…
pixel art computer error

I improved the shade and made the computer bigger so that I can add more detail in the future