I would like to upgrade the 256 MB Ram of my laptop to 1 GB.Which type should I use. DDR Ram ?SDRAM ? How can I insert the RAM Stick ?. Is it just like adding RAM to a PC, by just inserting to the RAM Slot ?
Your memory is DDR, it looks like it will handle 128MB, 256MB or 512MB sticks. If you wanted to go up to a 1GB, you'd have to get 2x512MB to do it (once you get it open, you can confirm that there are two slots for memory).
Here's a link to your user manual. Check out chapter 5-5 on page 5-10 for instructions on how to remove and replace memory.
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