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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December 21st, 2010 at 6:37 pm
I just bought a D-610 which has currently 256MB of RAM. It hasn’t arrived yet, but if it has 128MB in both slots, would it be okay to keep one in and replace the other with a 1GB Kingston PC2-4200 DDR2-533 SODIMM ?
If so, which slot is best (if there is a best?) for the new 1GB board?
If not and I took both 128MB modules out, which slot is best to install the new 1GB? (If it’s possible to leave one slot empty?)
Thanks in advance and great documentation above!
December 17th, 2010 at 6:52 am
Awesome description.Thank you very much for your effort.
November 9th, 2010 at 7:45 pm
I just tried this on my Dell Latitude D610 today, with two sticks bought at Best Buys and made by PNY of 1GB DDR2 PC2-5300 which stated compatible with / Avec / Con = PC2-4200 (533 MHz) Laptop Memory RAM. I put 1GB in each of the two slots. I ran into the same problem as others, where the laptop won’t turn on. When I press the power button there is sound and it seems like it will start but then the number lock and scroll lock lights flash for a second and then the laptop turns off. I started over and took the bottom card out then reseated the card under the keyboard and tried again. I thought I had it seated correctly the first time, but I must not of because this time it booted with .99 GB of memory. I then put in the bottom card and then it booted to 1.99GB. Everytime I put the cards in or out I removed the battery. 2GB total for this computer with 1GB cards in each slot. Dont use a single 2GB card in one slot. So RESEATING the cards a few times is the answer to most of the problems.
October 26th, 2010 at 9:47 pm
Thanks a lot for your help!
Your document proved to be very useful
October 21st, 2010 at 9:42 am
Just upgraded my d610 to 2Gb following your instructions.
Perfect, really easy to follow and saved me ages guessing where the internal slot was.
many thanks for doing this
October 11th, 2010 at 11:21 am
JW,
Sounds like a failed memory slot to me.
If that’s the case, you’ll have to use the laptop as is. The laptop not worth replacing the motherboard.
You can try this trick to fix failed memory slot.
Let me know if it works.
October 10th, 2010 at 6:50 am
I also have the same problem as below, memory seated correctly, 2 x 1gb chips, and they both work in the slot under the keyboard. However, if there is ANY chip in the accessory slot under the computer, it will not turn on and the power light flashes (if there is a chip under the keyboard and if there is no chip under the keyboard).
Is there a fix to this? It seems there are lots of people with this problem.
If there is no fix, with a 2 gb chip under the keyboard function the same way as 2 x 1gb chips?
September 16th, 2010 at 1:31 pm
Clint,
Not sure why your laptop cannot see 2GB. Maybe you should try BIOS update?
Nope, you don’t have to configure anything. New memory should be detected and configured by the laptop automatically.
September 15th, 2010 at 1:06 pm
I have the same problem as Bruce L, July 26th 2010:
Great instructions! But…
I just installed two proper (Dell brand) 1G memory modules but the system only recognizes 1G total. I’ve switched the cards so i know both are functional individually but can’t get the system to recognize 2 at once. It appears to be the bottom side slot – and it is properly seated. Do I need to do something to get this to activate?
August 30th, 2010 at 3:21 pm
You are the best!! Thank you so much.