Uh, I think you mean antonym.
Anyways, here are some antonyms.
Careless, Certain, Foolish, Inattentive, Incautious
The most likely problem which led to the lack of sound after the installation of the new sound card is that the '<em>sound card is not recognized or incompatible</em> '
- The sound card is an hardware which is installed into a computer in other to allow the the system produce audio signal.
- Without a sound card installed into a computer, then such computer would not be able to perform <em>audio</em> <em>input or produce audio signals</em>.
However, when a sound card is present and, the computer fails to produce audio signal, then the most likely problem is that, the <em>sound card installed isn't recognized</em>.
Learn more :brainly.com/question/25055825
I believe the answer might be addresses
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