mykeyboardbuttonsdontworkHELP???

Hmm no space bar!

You could see if there are any tips in the following troubleshooting article to help you, before your eyes fall out.

Troubleshooting wireless mouse and keyboard issues

If no solution there, it could be a mechanical problem with your keyboard's spacebar which you would need to replace but try a few more things out first, from that article.

Bluetooth keyboards typically last a year or two. Time for a new one.