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  1. #1

    scooter's Avatar
    Member Since
    May 12, 2005
    Macbook Pro 2.6 GHz, 4 GB, 200 GB, 256MB Vid
    mac failure reports/ reliability
    this is some interesting info i came across from (i didn't find it here, but maybe i just missed it :p )

    "Computer Total Failures Failure Percentage

    Power Mac G5 1.6GHz 398 50 n/a
    "old" single 1.8GHz Power Mac G5 767 61 8%
    "new" single 1.8GHz Power Mac G5 157 17 n/a
    Dual 1.8GHz Power Mac G5 1345 103 8%
    single 2GHz Power Mac G5 77 9 n/a
    Dual 2GHz Power Mac G5 2654 350 13%
    Dual 2.3GHz Power Mac G5 211 4 n/a
    Dual 2.5GHz Power Mac G5 970 91 9%
    Dual 2.7GHz Power Mac G5 238 8 n/a

    Original iMac G5 17" 2778 501 18%
    Original iMac G5 20" 1730 533 31%
    New iMac G5 17" 812 100 12%
    New iMac G5 20" 589 62 11%

    Mac Mini 1.25GHz 803 26 3%
    Mac Mini 1.42GHz 902 27 3%

    still, comparable to pc's, apple is still on top!!!

    PCMagazine Reader Survey 2004,1895,1626488,00.asp

    for Desktops,1...d=84673,00.asp

    for Laptops,1...d=84674,00.asp
    From a G4 400MHz to an Intel Mac Mini to iMac Core Duo to a Macbook Pro 2.6GHz.............gotta love Apple!

  2. #2

    iNAP's Avatar
    Member Since
    Apr 20, 2005
    Wow thats pretty good!
    I started using PS from finding this forum and all the help I have gotten here thru the years is immeasurable
    thank you MacForums and all it's members

  3. #3

    Member Since
    Jul 22, 2003
    Hamilton College
    20" iMac C2D 2.16ghz, 13" MacBook 2.0ghz, 60gb iPod vid, 1gb nano
    Another thing you have to remember with these numbers. The amount of apple users who purchase the computer, it works and they are satisfied is probably a higher % than shown there because most casual numbers wouldn't go to macintouch
    Don't forget to use the new User Reputation System

  4. #4
    what do you mean by failure, exactly? like the machines dont work?

  5. #5

    scooter's Avatar
    Member Since
    May 12, 2005
    Macbook Pro 2.6 GHz, 4 GB, 200 GB, 256MB Vid
    Quote Originally Posted by damontgo
    what do you mean by failure, exactly? like the machines dont work?
    from the article:

    Q: What do you mean by "failure"?

    A: We define it as "a hardware failure requiring repair or replacement of a Mac subsystem", such as power supply, CPU, memory, storage or video. (We'll look at getting more information about failure severity in the future.)
    Groups of Macs
    One good cross-check is to look at sets of Macs versus results for individual computers. What we found was the same sort of variability seen for individual Macs with similar overall results. Part of this may be the "bad batch" phenomenon, and environmental factors may also play some part, but details aren't yet clear.

    One school has 40 original 17" iMac G5's with no problems. Another has 22 of the 17" and 20" originals with only one hard drive failure. By contrast, another school had 3 failures out of 14 original 17" and 20" iMac G5's; another 4 failures out of 14; and a newspaper had 17 failures out of 37 of the original 17" models. That person commented, "Apple isn't agreeing that there is a problem with the iMac G5 but because we have lost so many they are agreeing to fix any iMac G5 until we no longer use them."

    Looking at Power Mac G5 collections, we saw fewer examples of a high failure rates but saw some alarming troubles with certain batches of Dual 2.0 models. Unfortunately, we didn't distinguish between two different Power Mac G5 Dual 2.0 models sold by Apple at different times.

    Of twelve Dual 2.0 models purchased together by a publisher in Dec. 2003, three had CPU failures and there was one bad motherboard. In addition, six hard drives failed. A second collection of Dual 2.0 machines had eight CPU failures between 2 and 12 months of age out of 57 computers. Another publisher who bought Dual 2.0 models in July 2004 experienced five immediate CPU failures and two later CPU failures out of 27 computers.

    By contrast, however, one school listed 110 Dual 2.0 Power Macs with only 1 power supply failure and a few problems with hard drives and video cards; another had just 1 failure among 52 of these computers; and another company has been running 48 of them in a classroom for six months without failures.

    The Mac Mini, as shown in our totals, has been remarkably trouble-free. One person reported a single failure out of 100 Minis, and another experienced a single dead-on-arrival unit out of 50 computers. Problems were few and far between - a bad RAM module, a Mini that kept shutting down until Apple replaced it, one that wouldn't power up after two days, a bad audio card, a number of optical drive problems, a few logic board replacements and several video problems and monitor compatibility issues - but the overall failure percentage was amazingly good in comparison to the G5 models.
    From a G4 400MHz to an Intel Mac Mini to iMac Core Duo to a Macbook Pro 2.6GHz.............gotta love Apple!

  6. #6
    So this is really only part of the story -- to get the final number you would need Apple to release their failure data ---- why ----- because some percentage of those machines returned as "defective" - show up at the return center and work fine .... indicating the user did something wrong in the setup etc. These guys said they screened for "bogus" data -- but its unlikely they got all of it out.

    This was a huge deal on PCs at the end of the '90s into 2003 --- Dell / HP / Compaq / IBM had very high (20% or more ) of machines that were returned worked just fine - indicating that some part of the setup was too complex for the average Joe/Jane --- big area of focus for Intel+MSFT to work with OEMS drive the false returns down.

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