My new SR 17" needs logic board

Discussion in 'MacBook Pro' started by xpovos, Aug 13, 2007.

  1. xpovos macrumors 6502a

    xpovos

    Joined:
    Jun 7, 2007
    Location:
    Tennessee
    #1
    Well, I thought I had finally gotten my hands on a problem-free MacBook Pro, but my SR 17" is suffering logic board failure after two months of use.

    That makes 4 bad MacBook Pros out of 6 total that I've owned. 67% failure rate. :(

    It's going in for MLB replacement later this week.

    I haven't had this many computer problems since I had to return something like a dozen Commodore 64's at Target twenty years ago. I realize that my MacBook Pro failure rate is atypically high, but sh*t. None of my other Macs have ever given me problems of any kind.
     
  2. crazyiez macrumors newbie

    Joined:
    Apr 6, 2007
    #2
    Holy smack and i thought i problems... i had a logic board faliure once. they basically had to replace the whole darn thing so it was like getting a brand new mac. but now where the slot loader is creaks whenever i press down... issues issues... makes me sort of wonder "why did i spend this much money on a product that is falling apart?"
     
  3. hohohong macrumors 6502

    Joined:
    Jun 1, 2007
    #3
    How do you know it's the logic board? Mine was hard to tell as my 1st MBP doesn't boot from external HD. If I didn't bring it to Genuis bar, I won't know it's damaged.
     
  4. xpovos thread starter macrumors 6502a

    xpovos

    Joined:
    Jun 7, 2007
    Location:
    Tennessee
    #4
    To be perfectly honest, nobody is 100% sure it's the logic board, including the several Geniuses that looked at it when I finally gave up troubleshooting it myself (after two weeks of intensive troubleshooting). But the logic board seems like the most reasonable culprit. Here's why:

    When recording audio (voice) via USB microphone when on battery power with AirPort turned on, two of the three USB ports exhibit unbearable levels of static in the recordings. Recording my voice is something I do frequently for work, so I ran into this problem fairly quickly. When plugged into the mains (or with AirPort turned off, or both) the audio is clean. Clean install of 10.4.9 seems to make it better at first (which meant I originally thought I might be dealing with a very weird software issue), but the problem gets progressively worse as recording continues. Updating to 10.4.10 makes it worse, and the most recent AirPort update makes it far, far worse---another reason I thought at first that I might be dealing with software problems. As it turns out, though, nothing fixes it.

    The problem presents itself regardless of which microphone is used (I've tried half a dozen, of varying quality), which wireless network I'm on (tried three, at vastly different locations), and which software I use to record my voice. (I tried with Audio Hijack Pro, GarageBand, Adobe Soundbooth CS3, and then even Windows Sound Recorder running under VMWare.)

    One of the three USB ports, though, gives clean audio recordings under all circumstances. This was the tip-off that the logic board is likely to blame, because the one port that works well is the one that's on a separate board. Both of the two bad ports are on the main logic board.

    The static is really, really bad. "Wow" was about all the Geniuses at the bar could say. It looks like as far as the Web is concerned, so far I'm the only one on the planet with this specific issue, because a week's worth of internet research turned up absolutely nothing on this.

    I'm a little worried about having them take the laptop completely apart, but given the kind of work I do (and the amount of money I paid), I can't just live with the problem, and I've had the machine too long to get a replacement laptop. I've got AppleCare Protection Plan on the thing, though, so if they screw something else up during the repair process, I guess I'll just have to be firm in making sure they make it right. I've got a second MacBook Pro (last-generation C2D 15") to use as a backup, until I'm sure the SR is 100% working.

    They're waiting for the replacement board to come in and said I could just hold onto the laptop until it did, if I wanted to. Obviously that's what I did, so that's what I mean when I say it's going in later this week for repair.
     
  5. hohohong macrumors 6502

    Joined:
    Jun 1, 2007
    #5
    Can you get the MBP replaced instead of repair?
     
  6. xpovos thread starter macrumors 6502a

    xpovos

    Joined:
    Jun 7, 2007
    Location:
    Tennessee
    #6
    Nope. Had it for too long. After 14 days, they seem to prefer repairing it a dozen times to doing just a single replacement.

    I should get it back tomorrow, hopefully in the same pristine condition I left it. If not, I'll make a fuss until they make it right.

    I've just had the worst luck with MacBook Pros. All my other Apple products have been great and defect-free, but the MBPs I've gotten have been rotten. First 15" Core Duo had a DOA SuperDrive, was replaced with same model that had screen flicker. Took it back and got a C2D 15" which is what I'm using to type this message. Horrible, ugly grainy screen but otherwise defect-free. First 17" MBP (2.33 C2D) had an exploding battery; I asked for a battery replacement but they wanted to replace the whole laptop since it was only 12 days old. Replacement 17" had a warped bottom casing, so it wouldn't sit flat on any desktop surface. Replaced that with the SR 17" hi-res, which has this weird audio flaw. Hopefully by tomorow it won't, though.

    Thanks for letting me rant.
     
  7. A Pittarelli macrumors 6502

    Joined:
    Jun 1, 2007
  8. xpovos thread starter macrumors 6502a

    xpovos

    Joined:
    Jun 7, 2007
    Location:
    Tennessee
    #8
    Tell me about it.

    This audio flaw isn't the usual one, and it has the Geniuses stumped, too. By now they've replaced nearly every piece of hardware in the machine, and the problem still manifests. (It's not the well-documented audio flaw that everyone has heard about.) They called me this morning saying they had it fixed and it had turned out to be a software issue, and I politely told them I seriously doubted that and how they could reproduce the problem again. They did what I asked, and the problem came back as predicted.

    To their credit, the lead Genius said he's going to try one more thing, first thing tomorrow morning. Basically if that doesn't work, they've indicated they'll be willing to discuss a replacement laptop, even though it's well out of its return window.
     

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