A computer, laptop, tablet in your dream or vision is about the technology and developments of the future, information and modern life, but above all about communicating with yourself and with others in your environment. An important explanation is that you can see the computer, laptop, tablet as a kind of soul reflection, a mirror towards yourself, your source, your base, your heart, your intuition.
Computer, laptop, tablet dreams represent your past, present and the unknown future - but also your past life and/or other dimensions and/or the desire for like-minded and soul connections.
New possibilities and opportunities are made accessible that you never thought would come your way. Another explanation is that a computer tells you that you want to hold the present.
An alternative explanation is that computers, laptop, tablet represent a lack of individuality and therefore inability to express emotions and feelings to other people in your environment (like-minded) soul connections. It can also represent seclusion that leads to loneliness, loss in your life. But the most important explanation is that the computer reflects a part of yourself and not only your feeling, your source, your base, but also your (brain) ego-oriented thinking and heart-oriented thinking, intuition and so on.