If you had a dream that your computer exploded, it can mean that your p.c. is having a problem, or your work that was done on your computer has a problem. The explosion is a dream symbol to say your work will be destroyed, or it will fail.
Alternative meanings and dream interpretation that your computer exploded:
A computer is a dream symbol to mean a superior machine that stores memories and can assist you in finding knowledge. If you had considered about doing something negative, then this is a warning dream.
If you had been under stress, and then dream that your computer exploded, it means your brain was overheated in facing challenging circumstances. The pent up energy was released in an explosion. The dream interpretation suggests to make changes, especially to handle the old energy, by releasing it safely.
Dreaming that something exploded is an allegory to real life anger. If the dreamer has repressed mental thoughts/ emotions/ neglected areas/ delayed change, then the unconscious mind may bring this up in dreams. The issues that had simmered on the back burner erupted for want of attention to address their needs. The dream imagery of explosions may recurr until the issues are resolved.
Dream interpretations of your computer or something that exploded: