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  1. #1


    Member Since
    Jan 29, 2005
    Posts
    37
    Specs:
    MacBook Pro 1.83GHz 2GB RAM
    iBook stopped recognising ram
    I bought my iBook just before christmas with an extra 512 mb RAM installed, so this meant i had 768mb.

    I've just looked, as the computer was running slowly, and its now saying that I only have 256mb. Its stopped recognising the extra ram. Any ideas why? and how can I fix it?

    I'm not sure exactly what ram it was, as I didnt install it myself, but the box says:

    512MB PC2100 SO-DIMM DDR266

    Any help?

  2. #2

    immdb's Avatar
    Member Since
    Nov 04, 2003
    Location
    Southern Indiana
    Posts
    654
    Specs:
    Mac Pro Quad Xeon 2.66GHz 3GB RAM, G4 Quicksilver w/Sonnet 1GHz Encore ST, 1ghz G4 Powerbook
    Have you tried reinstalling it?
    I don't know what tomorrow holds, but I know who holds tomorrow.

  3. #3


    Member Since
    Jan 29, 2005
    Posts
    37
    Specs:
    MacBook Pro 1.83GHz 2GB RAM
    How do I do that?

  4. #4

    immdb's Avatar
    Member Since
    Nov 04, 2003
    Location
    Southern Indiana
    Posts
    654
    Specs:
    Mac Pro Quad Xeon 2.66GHz 3GB RAM, G4 Quicksilver w/Sonnet 1GHz Encore ST, 1ghz G4 Powerbook
    Here is the apple site to install in a g3 ibook. I'm checking to see if it is different for the G4.
    http://docs.info.apple.com/article.html?artnum=111918
    I don't know what tomorrow holds, but I know who holds tomorrow.

  5. #5


    Member Since
    Jan 29, 2005
    Posts
    37
    Specs:
    MacBook Pro 1.83GHz 2GB RAM
    Thanks, I'm just having a read of that. It seems pretty straight forward.

    Without the extra ram all my music software is running pretty slow at the moment.

  6. #6

    immdb's Avatar
    Member Since
    Nov 04, 2003
    Location
    Southern Indiana
    Posts
    654
    Specs:
    Mac Pro Quad Xeon 2.66GHz 3GB RAM, G4 Quicksilver w/Sonnet 1GHz Encore ST, 1ghz G4 Powerbook
    Here it is…
    You probably got the instructions to install the ram when you bought your computer. (maybe in a pdf). If not, go here and download the pdf for your iBook. The actual ram install instructions begin on page 55. Real simple to do.
    http://docs.info.apple.com/article.html?artnum=50014
    I don't know what tomorrow holds, but I know who holds tomorrow.

  7. #7


    Member Since
    Jan 29, 2005
    Posts
    37
    Specs:
    MacBook Pro 1.83GHz 2GB RAM
    Thanks alot. Do you reckon I should take it out, then restart the computer, then put it back in?

  8. #8

    immdb's Avatar
    Member Since
    Nov 04, 2003
    Location
    Southern Indiana
    Posts
    654
    Specs:
    Mac Pro Quad Xeon 2.66GHz 3GB RAM, G4 Quicksilver w/Sonnet 1GHz Encore ST, 1ghz G4 Powerbook
    That might just help if you reset the pram when you restart.
    Remove the ram and restart holding down the Apple+option+p+r keys

    The computer will chime. Continue to hold these keys until it has chimed three times. Then release. Once it has started, do a shutdown and install the ram.
    I don't know what tomorrow holds, but I know who holds tomorrow.

  9. #9


    Member Since
    Jan 29, 2005
    Posts
    37
    Specs:
    MacBook Pro 1.83GHz 2GB RAM
    Everything is good now. I took out the ram and then restarted.Put it back in, and it then suddenly worked. I have no idea what can have happened before.
    Thanks, immdb

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