There may be something wrong with your PC.May be there is something wrong with your PC.Something goes wrong with your eyes.

There may be something wrong with your PC.
May be there is something wrong with your PC.
Something goes wrong with your eyes.

你的电脑可能有问题.
你的眼睛有问题(隐含意思是你是不是看错了或者你看到的不是真实的)

你的电脑可能出了点故障。
你的眼睛出问题了。