Good basic computer for $400:

Clearance Sale | Dell Australia

Inspiron 15

Inspiron 13z

Inspiron 15R

Inspiron 15R Special Edition

Inspiron 15R

Budget-friendly notebook - good for basics.

I really like Dell laptops, had 2 over the years, and they were both decent ran for at least 2 years each, which is a long time for my laptops!