Verified answer

go to http://welcome.hp.com/country/us/en/support_task.h...

Type in your computer model number or self detect.

Select product information

Select product specifications

Select motherboard specs

Then select memory upgrade info

The max Ram your computer can support is 4096 MB (4GB) of RAM. However you cannot just buy any RAM you need to specifically buy Laptop memory of the same speed as your current 2GB. The speeds can be found labeled on the ram with a sticker inside your laptop.