如果你的电脑已经好了,你可以说:

"My computer is fixed."

这句话的来源是: 当你的电脑出现问题时,你可能会去修理它,或者找专业人员帮你修理。如果修理成功,你可以说"My computer is fixed."来表示电脑已经好了。

其他相关的英文例句和中文翻译如下:

"I took my computer to the repair shop and they were able to fix it." (我把电脑带到修理店,他们修好了。)
"The technician was able to troubleshoot the problem and get my computer running again." (技术人员能够排查问题,让我的电脑再次运行。)
"I was worried that my computer was beyond repair, but it turns out it was just a simple issue that could be fixed easily." (我担心我的电脑修不好了,但事实证明这只是一个简单的问题,很容易修好。)