我的电脑有问题。

Wǒde diànnǎo yǒu wèntí.

There is a problem with my computer.

这电脑型号太旧了。

Zhè diànnǎo xínghào tài jiùle.

This computer model is too old.

我的电脑坏了。

Wǒde diànnǎo huàile.

My computer is broken.