Dell Latitude D610 laptop has two memory slots available for upgrades. This laptop can take up to 2GB, so you can install up to 1GB memory module in each slot.
You should use PC2-4200 DDR2-533 SODIMM memory modules. Your laptop will work in dual channel mode (recommended) if you install two identical memory modules. In my case, I’m going to install two 1GB PC2-4200 modules.
One of the memory slots (Slot B) can be accessed through the door on the bottom of the laptop. The second slot (Slot A) is hidden under the keyboard, so we’ll have to remove the keyboard. If your laptop was configured with only one memory module, you’ll find it in slot A.
Before you do anything, do not forget to remove the battery.

Let’s remove the keyboard. Insert a flat head screwdriver between the keyboard bezel and laptop case and carefully lift up the bezel. Remove the bezel.

You’ll find two screws securing the keyboard. Remove both screws.

Now carefully lift up the keyboard. You’ll see the default memory module under the keyboard, right above the touch pad buttons. It’s possible to replace the memory module without disconnecting the keyboard.

I will disconnect the keyboard so I can make better pictures for you. Simply grab the blue tag attached to the keyboard connector and pull it up. Now you can remove the keyboard.

On the picture below you can see the default memory module installed into the slot A. In order to remove it, spread latches on both side with your fingers.

The memory module will pop up at a 30 degree angle.

Now you can pull the default memory module from the slot and replace it with a new one.
I’m installing a 1GB module into this slot.

Finally, install another 1GB module into the slot on the bottom. Turn on the laptop and you are ready to go!

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March 10th, 2009 at 6:08 pm
Thanks for the step by step, very good info.
March 5th, 2009 at 5:23 pm
the procedure is very professional and well guided. Excelent job. Thank you.
March 5th, 2009 at 8:55 am
Excellent tutorial… clearly illustrated step by step without wordiness! Thanks for the help.
February 27th, 2009 at 9:01 am
Great information. Thanks so much for posting these clear & concise instructions!!!
February 24th, 2009 at 11:22 am
Thanks for the illustrated step-by-step instructions. It made the work of replacing both memory modules a breeze.
February 20th, 2009 at 6:30 am
Many thanks for the clear instruction especially for pointing out that one needs to install two identical memory modules in order to make the laptop work in dual channel mode.
February 8th, 2009 at 10:12 am
Rich,
1. It’s possible that the second 1GB module is defective. Here’s what you can try. Remove RAM modules from both slots. Now insert the first 1GB module into the slot under the keyboard and test the laptop. After that move the module into the slot on the bottom and test again. If the laptop works fine with this module, remove it and do the same with the second 1GB module.
Will it work with both modules installed into both slots? If the laptop starts fine with the first module but not with the second one, the second module could be defective.
2. Could be some kind of memory compatibility problem. Take a closer look at both 1GB modules. Are they exactly the same? Do they have the same type of chips installed?
3. It’s possible that Dell added support for your memory with the BIOS update. Go to their website and find if there is a newer BIOS available for your laptop. Try updating the BIOS. Be careful doing that, read instructions.
February 7th, 2009 at 6:57 pm
I replaced my 256Mb SODIMM with a 1 GB DDR2(667/533/400Mhz)SODIMM in slot A(Underside) of my Dell Latitude610 notebook and it power/booted up just fine. Then I opened slot B(under keyboard) and did the same and made the exact same replacement and it wouldn’t power/boot up. I ended up restoring the original 256Mb SODIMM in B out of necessity and will use it at 1.25Gb total RAM since it wouldn’t allow the upgrade on slot B. Any advice?
January 26th, 2009 at 12:44 pm
I would love to be able to put 4GB of RAM on my Dell Latitude D610. Do you know of a way to do it? — a bios hack, or a replacement motherboard, or ???
January 21st, 2009 at 8:59 am
Thank you! Very helpful. I was able to upgrade easily… never have upgraded memory before.