How to fix my laptop keys?

Hi,

It is easier and will cause you less problems if you replace the entire keyboard than try to fix individual keys.

Here is a link which shows how to remove the keyboard for a Dell Vostro. While it doesn't state the model it is applicable for, in the comments below the video, people mention various models that it worked for so you should be OK.

https://www.youtube.com/watch?v=yvGS2LGc...

A replacement keyboard is available from various suppliers. Here are just a couple to give you an idea regarding price. You probably can do better. Just "Google' Dell Vostro 1450 keyboard and pick the one you want.

http://www.amazon.com/Laptop-replacement...

http://www.ebay.com/itm/OEM-New-for-Dell...

In the meantime connect a USB keyboard if you need to use the keys 'that aren't working'