REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Thursday, 21 March 2019

APPLE MACBOOK-PRO - HOW TO REPLACE MEMORY CARD

HOW TO REPLACE MEMORY CARD TO APPLE MacBook PRO


TOOLS
  • #0 Phillips screwdriver (magnetized) •
  • Clean non-marring work surface •
  • ESD wrist strap and mat.
PART LOCATION
  • If the computer has been recently operating, allow it to cool down before performing this procedure.
  • Place the computer face down. 1.
  • Remove the three screws from the memory door.
  • Remove the door, as shown.
  • If only one memory card is installed, the factory installs it in the bottom memory slot.
  • Memory must be removed from the top slot before removing from the bottom slot.
  • To remove memory cards, carefully spread the two locking tabs for the slot (top or bottom) away from the card on both sides and allow the card to pop up slightly.
  • Pull the card straight back and out of the memory slot.
REPLACEMENT PROCEDURE
  • DDR memory cards do not fit in this slot (different notch location).
  • If installing two cards, install into the bottom slot first.
  • When finished installing memory into the bottom slot, use a black stick leveraged against the frame to push the back of the card toward the slot to verify that the card is firmly seated.
  • Align the notch in the memory card with the tooth in the slot before inserting.
  • To install a memory card, insert the card at a 25-degree angle behind the locking tabs of the top slot.
  • Firmly push the card straight into the slot until it is fully and securely seated along its length.
  • Note: If the back of the card drops down before it is fully seated, raise it up enough to push it fully into the slot.
  • When the card is fully seated, push the card straight down until the tabs click onto both sides of the card, locking it into place.
To ensure that the memory cards are fully and securely seated, for the lower card, use a black stick leveraged against the frame to evenly push along the back of the card.

For the upper memory card, push with your thumbs to verify the card is fully seated.
Check that the cards are secured by the brackets on both sides.
Install the memory door.
Replace the battery.
Use Apple System Profiler to verify that the memory is recognized. (Choose the menu bar Apple logo  > About This Mac, click More Info..., select the System Profile tab, open the Memory Overview.)
Posted By: FRANK at 02:32
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