Hi Thomas. Welcome to Seven Forum
If you done with the update. But still need the drivers, you can browse here Dell Inspiron Driver
Choose from a list of all Dell products --> Click Continue --> choose Laptop --> choose Inspiron --> you will see Inspiron 1464 on the list --> click on it.
Then you can choose the drivers according to yous Windows version.
Hope that can provide you more options in solving the problem.
Edit: Well. just ignore this if you have solved the problem already