Pro 53 For Mac



Try Ecamm Live completely risk free today for 14 days. No credit card required.

Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for apple MacBook Pro 2.53GHz Intel Core 2 Duo (13-inch DDR3) MB991LL/A Mid-2009 - FREE US Delivery. The 13' MacBook Pro features 2560 x 1600 resolution and the 15' MacBook Pro features 2880 x 1800 resolution, making the MacBook Pro ideal for professional photo and graphics work, as well as high-def movies and games. Whether you plan to use your MacBook Pro for work or school, the right software can make your life easier and more productive.

  • Download Ecamm Live to Begin Your Trial
    Requires macOS 10.12 or newer.

The all-in-one livestreaming production
platform for Mac.

Ecamm Live puts the power of Facebook Live, YouTube Live, Periscope, and Twitch video streaming at your fingertips.

Your New Broadcasting Studio

Everything's here, including support for multiple cameras, Blackmagic HDMI capture devices, iPhone and Mac screensharing, and more. A live camera switcher lets you direct the show in real time.

Support for saved scenes means you can compose scenes in advance, complete with on-screen titles and split screens.

Advanced support for Elgato's Stream Deck means fast access to scene switching, sound effects, and more.

The Power of a Mac App

Stream in HD quality with one click, using any connected mic and capture device, including your DSLR or mirrorless camera from Canon, Nikon, Sony and others. And when your broadcast is done, you'll find a high-quality recording has already been saved on your Mac.

Seamless Platform Integration

Integration with four leading broadcast platforms means there's no need to worry about stream keys or complicated set-up steps. Whether you're streaming to your Facebook business Page or YouTube channel, or scheduling a broadcast in advance, the app takes care of the details.

And once you're live, you'll see audience size, comments and reactions showing up right in Ecamm Live.


Expand Your Reach with Multistreaming

Ecamm Live's integration with Restream.io and Switchboard Live means livestreaming to multiple platforms simultaneously is as simple as one click. And with built-in support for Restream's chat aggregation, Ecamm Live can even display chat comments from over 20 platforms.

Add Remote Guests With Interview

Ecamm Live inludes a powerful Interview feature for adding guests to your broadcast.

Simply send your guests a web link to join the show for instant split-screen and picture-in-picture layouts.

Add Overlays For a Pro Look

We've made it incredibly easy to add text and graphics such as a company logo, viewer comments and lower thirds to your livestream. Simply type a title or drag an image or comment into place.

Animations and Countdowns

Ecamm Live even supports video overlays and countdowns.

Roll Pre-Recorded Video

Ecamm Live streams high-quality live video, but that's not all. Broadcasting a video file for introductions and pre-recorded segments is as easy as dragging a movie file into the app.

Live Picture-in-Picture

And why stop there? Add a live picture-in-picture to your pre-recorded content. Live and pre-recorded audio is mixed seamlessly.

Share Your Mac Desktop

Livestream your presentations, tutorials and demos with one click. Choose to share your entire screen, or just a particular app or window.

Add a live picture-in-picture to the broadcast for a personal touch.

Ecamm Live In Action

Our users trust Ecamm Live to bring their live show or event to a worldwide audience.

Check out Ecamm Live reviews and testimonials here!

360 Marketing Squad

Jenn Herman, Stephanie Liu, Amanda Robinson and Mike Allton are the 360 Marketing Squad. Stephanie uses Ecamm to create exciting live shows for their popular Facebook page.

This Week in Photo with Frederick Van Johnson

Ecamm Live has really saved my butt! The software has really upped my game and allowed me to focus on content rather than stressing over production during recording my shows or livestreams.

RV Lifestyle: Ask Us Anything

Just downloaded and installed the update. Thank you!!! I am SO pleased with Ecamm. It has been the most effective community building tool I have ever used. Thank you Glen and Ken!
-Mike Wendland, YouTube Personality on the RV Lifestyle Channel

Pro Video Academy with Adrian Salisbury

Adrian uses Ecamm Live's support for professional cameras, image overlays and more to produce great professional livestreams on his Facebook Page, Facebook Groups and YouTube channel.

CG Media Solutions

Video producer Carlos Gonzalez of CG Media Solutions relies on Ecamm Live for professional multi-camera live productions.

Bradley Vinson

Speaker, trainer and author Bradley Vinson uses Ecamm Live's graphic overlays and an introduction screen to add a pro touch to his Facebook Live broadcasts.

Roller Hockey Live on Facebook

Alastair Andrew of Drew Media Productions relies on Ecamm for hiccup-free Facebook Live broadcasts.

All Saints Anglican Cathedral

Thanks to Ecamm, we were able to stream live, include a visiting missionary via Skype AND have folks who don’t have FB follow along with a phone-in session using another service. Cool!

Desktop-class features you won't find anywhere else:

Scheduling
Build an audience by announcing your broadcasts in advance.
Local Recording
Every broadcast is automatically saved to your Mac.
Comments and Reactions
No need to leave the app to see the latest comments from Facebook, YouTube, Periscope, and Twitch.

Professional camera support:

DSLR via USB Cable
Go live using your Canon, Nikon or Sony DSLR/mirrorless camera for an amazing pro look. Mac
HDMI Capture Made Easy
Native support for HDMI encoders like Elgato Cam Link, AJA U-TAP, Blackmagic Design and more means hassle-free HDMI input.
Newtek NDI®
NDI video sources show up in the camera switcher automatically.

Put on a show:

Screen Sharing
Broadcast your screen, an app or a specific window.
Play Pre-Recorded Videos
Roll video introductions and show pre-recorded clips.
Picture-in-Picture
Provide live video commentary as you share your screen or play clips.

Feeling Social?

Pro 53 For Mac Catalina

Live Camera Switching
View all camera feeds and switch instantly.
Interview Mode

Pro 53 Vst Mac

Instantly invite up to 4 remote guests in crystal clear HD.
(Pro version only.)
Split Screen
Show cameras and guests in a split screen or grid view.

Add a finishing touch:

Overlays
Add text, logos, lower-thirds, PDFs, and even animated GIFs.
Comment Overlays
Promote viewer comments to onscreen overlays with one click.
Green Screen
Change your background with our studio-quality green screen feature.

Get even more with Ecamm Live Pro:

4K Streaming
Record and broadcast in crystal clear 1440p and 4K.
(Pro version only.)
Virtual Webcam
Use Ecamm Live features in many Mac video apps.
(Pro version only.)
Realtime Monitoring
Monitor your broadcast on a connected display.Pro 53 for mac pro
(Pro version only.)

Try Ecamm Live completely risk free today for 14 days. No credit card required.

  • Download Ecamm Live to Begin Your Trial
    Requires macOS 10.12 or newer.

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To identify your MacBook Pro model, use the information in How to identify MacBook Pro models.

Once you're sure which model you have, find it in the list below to go to the instructions for that model. Note: Apple notebooks not listed in this table have non-removable memory.

13-inch

MacBook Pro (13-inch, Mid 2012)
MacBook Pro (13-inch, Late 2011)
MacBook Pro (13-inch, Early 2011)
MacBook Pro (13-inch, Mid 2010)
MacBook Pro (13-inch, Mid 2009)

15-inch

MacBook Pro (15-inch, Mid 2012)
MacBook Pro (15-inch, Late 2011)
MacBook Pro (15-inch, Early 2011)
MacBook Pro (15-inch, Mid 2010)
MacBook Pro (15-inch, 2.53GHz, Mid 2009)
MacBook Pro (15-inch, Mid 2009)
MacBook Pro (15-inch, Late 2008)
MacBook Pro (15-inch, Early 2008) and earlier

17-inchMacBook Pro (17-inch, Late 2011)
MacBook Pro (17-inch, Early 2011)
MacBook Pro (17-inch, Mid 2010)
MacBook Pro (17-inch, Mid 2009)
MacBook Pro (17-inch, Early 2009)
MacBook Pro (17-inch, Late 2008) and earlier

Applicable Models

The instructions provided below are for the following MacBook Pro (13-inch) models:

  • MacBook Pro (13-inch, Mid 2012)
  • MacBook Pro (13-inch, Late 2011)
  • MacBook Pro (13-inch, Early 2011)
  • MacBook Pro (13-inch, Mid 2010)
  • MacBook Pro (13-inch, Mid 2009)

Memory specifications

Use the tables below to confirm the memory you're installing is compatible with your MacBook Pro.

MacBook Pro (13-inch, mid 2012)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 67.6mm x 30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-12800 DDR3 1600 MHz type RAM
Additional notesFor best performance, fill both memory slots, installing an equal memory module in each slot.
MacBook Pro (13-inch, Late 2011) and MacBook Pro (13-inch, Early 2011)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 67.6mm x 30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-10600 DDR3 1333 MHz type RAM
Additional notesFor best performance, fill both memory slots, installing an equal memory module in each slot.
MacBook Pro (13-inch, Mid 2010) and MacBook Pro (13-inch, Mid 2009)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
-30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-8500 DDR3 1066 MHz type RAM
Additional notesFor best performance, fill both memory slots, installing an equal memory module in each slot.

Removing or installing memory

Warning: The internal components of your MacBook Pro can be warm. If you have been using your MacBook Pro, wait ten minutes after shutting down the computer to let the internal components cool before continuing.

Step 1: Remove the bottom case

  1. Shut down your MacBook Pro. Disconnect the power adapter, Ethernet cable, USB cables, security lock, and any other cables connected to the MacBook Pro to prevent damaging the computer.
  2. Turn over your MacBook Pro and remove the ten (10) screws that secure the bottom case. Because the screws are different lengths, note the screw lengths and locations so you can replace the screws correctly. Put them aside in a safe place. Lift off the case and place it to the side.
  3. Touch a metal surface inside the computer to discharge any static electricity from your body.

Step 2: Remove existing memory (if present)

  1. Push the levers on the sides of the memory module in an outward direction to release the module from the memory card slot. The memory pops up at an angle. Before removing it, make sure you find the half-circle notches. If you don’t, try pressing the levers outward again.
  2. Hold the memory module by its notches and remove it from the slot.
  3. Remove the other memory module.
    Important: Hold the memory modules by their edges, and do not touch the gold connectors.

Step 3: Install memory

  1. Align the notch on the gold edge of the module with the notch in the lower memory slot.
  2. Tilt the card and push the memory into the slot.
  3. Use two fingers with firm, even pressure to push down on the memory module. There should be a click when you insert the memory correctly.
  4. Repeat this procedure to install an additional memory module in the top slot. Press down on the module to make sure it is level.
    Note: Make sure you install the memory according to this illustration, with the gold contacts inserted almost completely into the connector.

Step 4: Replace the bottom case

Replace the bottom case. Replace and tighten the ten screws you removed earlier, making sure to put the different length screws in their proper locations.

Applicable Models

The instructions provided below are for the following MacBook Pro 15-inch models:

  • MacBook Pro (15-inch, Mid 2012)
  • MacBook Pro (15-inch, Late 2011)
  • MacBook Pro (15-inch, Early 2011)
  • MacBook Pro (15-inch, Mid 2010)
  • MacBook Pro (15-inch, 2.53GHz Mid 2009)
  • MacBook Pro (15-inch, Mid 2009)

Memory specifications

Please use the tables below to confirm the memory being installed is compatible with your MacBook Pro.

MacBook Pro (15-inch, Mid 2012)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-12800 DDR3 1600 MHz type RAM
Additional notesFor best performance, fill both memory slots, installing an equal memory module in each slot.
MacBook Pro (15-inch, Late 2011) and MacBook Pro (15-inch, Early 2011)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-10600 DDR3 1333 MHz type RAM
Additional notesFor best performance, fill both memory slots, installing an equal memory module in each slot.
MacBook Pro (15-inch, Mid 2010), MacBook Pro (15-inch, 2.53GHz Mid 2009), MacBook Pro (15-inch, Mid 2009)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-8500 DDR3 1066 MHz type RAM
Additional notesFor best performance, fill both memory slots, installing an equal memory module in each slot.

Removing or installing memory

Warning: The internal components of your MacBook Pro can be warm. If you have been using your MacBook Pro, wait ten minutes after shutting down the computer to let the internal components cool before continuing.

Step 1: Remove the bottom case

  1. Shut down your MacBook Pro. Disconnect the power adapter, Ethernet cable, USB cables, security lock, and any other cables connected to the MacBook Pro to prevent damaging the computer.
  2. Turn over your MacBook Pro and remove the ten (10) screws that secure the bottom case. Because the screws are different lengths, note the screw lengths and locations so you can replace the screws correctly. Put them aside in a safe place. Lift off the case and place it to the side.
  3. Touch a metal surface inside the computer to discharge any static electricity from your body.

Step 2: Remove existing memory (if present)

  1. Push the levers on the sides of the memory module in an outward direction to release the module from the memory card slot. The memory pops up at an angle. Before removing it, make sure you find the half-circle notches. If you don’t, try pressing the levers outward again.
  2. Hold the memory module by its notches and remove it from the slot.
  3. Remove the other memory module.
    Important: Hold the memory modules by their edges, and do not touch the gold connectors.

Step 3: Install memory

  1. Align the notch on the gold edge of the module with the notch in the lower memory slot.
  2. Tilt the card and push the memory into the slot.
  3. Use two fingers with firm, even pressure to push down on the memory module. There should be a click when you insert the memory correctly.
  4. Repeat this procedure to install an additional memory module in the top slot. Press down on the module to make sure it is level.Note: Make sure you install the memory according to this illustration, with the gold contacts inserted almost completely into the connector.

Step 4: Replace the bottom case

Replace and tighten the ten screws you removed earlier, making sure to put the different length screws in their proper locations.

Applicable model

The instructions provided below are for the following MacBook Pro 15-inch models:

  • MacBook Pro (15-inch, Late 2008)

Memory specifications

Please use the table below to confirm the memory being installed is compatible with your MacBook Pro.

MacBook Pro (15-inch, late 2008)
Number of memory slots2
Base memory2 GB
Maximum memory4 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 30mm (1.18 inch)
- 1 GB or 2 GB
- 204-pin
- PC3-8500 DDR3 1066 MHz type RAM
Additional notesFor best performance, fill both memory slots and install an identical memory module in each slot.

Removing or installing memory

Warning: The internal components of your MacBook Pro can be warm. If you have been using your MacBook Pro, wait ten minutes after shutting down the computer to let the internal components cool before continuing.

Step 1: Remove the access door

  1. Shut down your MacBook Pro. Disconnect the power adapter, Ethernet cable, security lock, and any other cords connected to the MacBook Pro to prevent damaging the computer.
  2. Turn over your MacBook Pro and locate the latch. Push down to release the latch and remove the access door that covers the battery and hard drive.
  3. The latch must be in its released, open position to remove the access door.

Step 2: Remove the battery

With the latch still in its open position, gently pull up on the tab to remove the battery.

Step 3: Remove the bottom case

  1. Remove the eight screws that secure the bottom case of your MacBook Pro, and then remove the bottom case.
    Important: Because the screws are different lengths, note the screw lengths and locations so you can replace the screws correctly. Put them aside in a safe place.
  2. Touch a metal surface inside the computer to discharge any static electricity from your body.

Step 4: Remove existing memory (if present)

  1. Push out the ejection levers on the sides of the memory module to release the module from the memory card slot. The memory pops up at an angle. Before removing it, make sure you find the half-circle notches. If you don’t, try pressing the ejection levers again.
  2. Hold the memory module by the notches and remove it from the slot.
  3. Remove the other memory module.
    Important: Hold the memory modules by their edges; do not touch the gold connectors.

Step 5: Install memory

  1. Align the notch on the gold edge of the module with the notch in the lower memory slot.
  2. Tilt the card and push the memory into the slot.
  3. Use two fingers with firm, even pressure to push down on the memory module. There should be a click when you insert the memory correctly.
  4. Repeat, if necessary, to install an additional memory module in the top slot. Press down on the module to make sure it is level.
    Note: Make sure you install the memory according to the illustration below, with the gold contacts inserted almost completely into the connector.

Step 6: Replace the bottom case

Replace the bottom case. Replace and tighten the eight screws.

Step 7: Replace the battery

To replace the battery, make sure the latch is in its open position. Hold the battery at an angle and slide the lipped edge of the battery below the brackets on the outside edge of the battery bay. Gently press the battery down.

Step 8: Replace the access door

With the latch in the open position replace the access door, making sure it is level with the bottom case of your MacBook Pro, and press the latch into the closed position.

Applicable models

The instructions provided below are for the following MacBook Pro 17-inch models:

Pro
  • MacBook Pro (17-inch, Late 2011)
  • MacBook Pro (17-inch, Early 2011)
  • MacBook Pro (17-inch, Mid 2010)
  • MacBook Pro (17-inch, Mid 2009)
  • MacBook Pro (17-inch, Early 2009)

Memory specifications

Use the tables below to confirm the memory being installed is compatible with your MacBook Pro.

MacBook Pro (17-inch, Late 2011) and MacBook Pro (17-inch, Early 2011)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 67.6mm x 30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-10600 DDR3 1333 MHz type RAM
Additional notesYou can add two 4 GB memory modules for a maximum of 8 GB of memory. For best performance, fill both memory slots and install an identical memory module in each slot.
MacBook Pro (17-inch, Mid 2010), MacBook Pro (17-inch, Mid 2009), and MacBook Pro (17-inch, Early 2009)
Number of memory slots2
Base memory4 GB
Maximum memory8 GB
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 30mm (1.18 inch)
- 2 GB or 4 GB
- 204-pin
- PC3-8500 DDR3 1066 MHz type RAM
Additional notesYou can add two 4 GB memory modules for a maximum of 8 GB of memory. For best performance, fill both memory slots and install an identical memory module in each slot.

Removing or installing memory

Warning: The internal components of your MacBook Pro can be warm. If you have been using your MacBook Pro, wait ten minutes after shutting down the computer to let the internal components cool before continuing.

Step 1: Remove the bottom case

  1. Shut down your MacBook Pro. Disconnect the power adapter, Ethernet cable, USB cables, security lock, and any other cables connected to the MacBook Pro to prevent damaging the computer.
  2. Turn over your MacBook Pro and remove the ten (10) screws that secure the bottom case. Because the screws are different lengths, note the screw lengths and locations so you can replace the screws correctly. Put them aside in a safe place. Lift off the case and place it to the side.
  3. Touch a metal surface inside the computer to discharge any static electricity from your body.

Step 2: Remove existing memory (if present)

  1. Push the levers on the sides of the memory module in an outward direction to release the module from the memory card slot. The memory pops up at an angle. Before removing it, make sure you find the half-circle notches. If you can't find the notches, try pressing the levers outward again.
  2. Hold the memory module by its notches and remove it from the slot.
  3. Remove the other memory module.
    Important: Hold the memory modules by their edges; do not touch the gold connectors.

Step 3: Install memory

  1. Align the notch on the gold edge of the module with the notch in the lower memory slot.
  2. Tilt the card and push the memory into the slot.
  3. Use two fingers with firm, even pressure to push down on the memory module. There should be a click when you insert the memory correctly.
  4. Repeat this procedure to install an additional memory module in the top slot. Press down on the module to make sure it is level.
    Note: Make sure your memory is installed according to the illustration below, with the gold contacts inserted almost completely into the connector.

Step 4: Replace the bottom case

Replace the bottom case. Replace and tighten the ten screws you removed earlier, making sure to put the different length screws in their proper locations.

Applicable models

The instructions provided below are for the following MacBook Pro 15-inch and 17-inch models:

  • MacBook Pro (17-inch, Late 2008) and earlier
  • MacBook Pro (15-inch, Early 2008) and earlier

Memory specifications

Please use the tables below to confirm the memory being installed is compatible with your MacBook Pro.

MacBook Pro (17-inch, Late 2008) and earlier and MacBook Pro (15-inch, Early 2008) and earlier
Number of memory slots2
Base memory512 MB (configure to order)
Maximum memoryRefer to the table below
Memory card specifications- Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format
- 30mm (1.18 inch)
- 200-pin
- PC2-5300 DDR2 667 MHz Type RAM


Refer to this table for the maximum amount of memory that can be recognized by these notebook computers:

2 GBMacBook Pro, MacBook Pro (17-inch), MacBook Pro (15-inch, Glossy)
3 GBMacBook Pro (15-inch and 17-inch Core 2 Duo)
Note: These models will support only 3 GB total memory. If you want to maximize the amount of SDRAM in your computer, install a 2 GB SO-DIMM in one slot and a 1GB SO-DIMM in the other.
4 GBMacBook Pro (15-inch 2.4/2.2 GHz), MacBook Pro (17-inch 2.4 GHz), MacBook Pro (15-inch Early 2008), MacBook Pro (17-inch Late 2008)

Removing or installing memory

You will need to remove the battery before installing additional memory and reinstall the battery after installing the memory. The following procedure includes all the necessary instructions for both parts of the process.

Warning: The internal components of your MacBook Pro can be warm. If you have been using your MacBook Pro, wait ten minutes after shutting down the computer to let the internal components cool before continuing.

Step 1: Remove the battery

  1. Shut down your MacBook Pro. Disconnect the power adapter, Ethernet cable, and any other cords connected to the MacBook Pro to prevent damaging the computer.
  2. Turn the computer over.
  3. Locate the battery release latches on each side of the battery.
  4. Slide both latches up. The battery should pop up slightly.
  5. Lift the battery out.

Step 2: Remove the memory door

  1. Using a Phillips size 00 screwdriver, unscrew the memory door and remove it from the battery bay of your computer. Depending on the model of your MacBook Pro, you may have three or four screws.
  2. Touch a metal surface inside the computer to discharge any static electricity from your body.

Step 3: Remove existing memory (if present)

If you need to remove a memory card—for example if you are replacing it or if you need to get past the memory in the top slot to access the bottom slot—you can remove the card by spreading the tabs on each side of the card away from the notches in the memory card. The card should pop up slightly. Lift the memory card to about a 25-degree angle and then gently slide the card out of the memory slot.
Important: Hold the memory modules by their edges; do not touch the gold connectors.

Step 4: Install memory

  1. Insert the new memory card at a 25-degree angle. Line up the notch in the card with the small tab in the memory slot and slide the card into the slot until the gold edge is almost invisible. Firmly press the memory card into the memory slot. You might feel some resistance.
  2. Gently spread the small tabs in the memory slot away from the notches and push the memory card down until the two tabs on either side of the card lock into place.
  3. Insert any additional memory into the second slot.
    Note: Make sure you install the memory according to the illustration below, with the gold contacts inserted almost completely into the connector.

Step 5: Replace the memory door

Replace the memory door, and make sure the door is lying flat before you screw it back into place.

Step 6: To insert the battery

  1. Place the bottom edge of the battery into the battery compartment at an angle, as shown below.
  2. Gently press the top edge of the battery down until the battery latch locks into place.

Learn more

Checking that your computer recognizes the new memory

After installing additional memory, you should confirm that the computer recognizes the new memory. To check the computer’s memory:

  1. Start up your computer.
  2. When you see the Mac OS X desktop, choose the Apple () menu from the upper-left menu bar, then choose About This Mac.

The total memory includes the amount of memory that originally came with the computer plus the new memory you added, or if all the memory has been replaced, the new total for that memory. For detailed information about the amount of memory installed in your computer, open System Profiler by choosing Apple () and then About This Mac. Then, click More Info and then Memory from the Hardware section that appears in System Profiler.

If your computer doesn’t recognize the memory or doesn’t start up correctly, confirm that the memory you installed is compatible with your MacBook Pro and that it is installed correctly by reseating the memory.