New heatsink yet random shutdown!!

Hi y'all,
So my MB was repaired 2nd time with the new heatsink part and this was on Oct. 3rd.
Today on Oct 13th the random shutdown has reappeared yet AGAIN.
I have just about had it this macbook.
Did any of yours had random shutdown after the reparation with the new heatsink part??
And do anyone know if I will be eligible for a refund and/or replacement since I have had to deal with this problem three times now?? (still in waranty period)
Thanks

jhawk - three possibilities. First, are you sure you got the newly designed heatsink? Oct 3 would be right about on the cusp between new heatsink and the old replace the logic board 'fix'. Second, assuming you did get the new heatsink your computer should then have been retested on diagnostics and a new logic board installed if it failed and if it passed it would be sent back without a new logic board. But it is posible that in some cases RSD is masking (and maybe even causing) logic board issues that don't show up on the diagnostics then but show up later. This could be your problem and if so after getting a new logic board your MacBook problems would be over. Third, and I hope this isn't it, Apple hasn't found all the causes of RSD yet.
It is still a little too soon to know about this either way. Based on past RSD repair experiences, if the redesigned heatsink does fix the problem we can expect to continue seeing RSD me too messages through October and probably into the first part of November but the frequency should begin to die down in November.

Similar Messages

  • New Macbook Pro - Random Shutdowns

    I got a 15" MacBook Pro 2 months ago and today I started having lots of problems. The macbook will start and then after a few minutes, it will randomly shut down. After each shutdown I cannot start the computer again. Pressing the power button does nothing. After about 5 minutes of shutting down the computer will start again on its own and then shutdown again in a few minutes. And the cycle continues like that. This happens while the macbook is plugged in as well.
    I do not think it is a battery problem because I removed the battery and turned it on while it is plugged in and still it is the same problem. I don't think it is a software issue because the same problem happens when I boot in both Mac OSX and Windows XP. Anyone have this problem?

    Hi dennyhle,
    Boot up from the osX dvd holding down the 'c' key, wait for the language screen to come up, pick a language and then from a menu choose Disk Utility and check the permissions and the drive for errors.
    If the problem remains after that boot up from the osX dvd again but this time hold the 'd' key to start the hardware test, run an extensive one.
    Hope this helps.

  • White Macbook 2006 random shutdown solved removed cpu heatsink and more

    I picked up a cheap macbook from a secondhand retailer for $300 and it regularly shutdown, froze, restarted as well as the grey kernel panic screen completely random no real pattern. I set about trying to solve the problem swapping ram and hard drive with my identical 2006 macbook (which I had similar problems with last year, fixed that one with a new battery connector cable). The ram and hard drive made no difference so I downloaded istat menus to see if any combination of cpu voltage, current and temperature were causing the random shutdowns. It seemed when the temperature reached certain values the computer would shutdown or freeze(around 30 to 50 degrees). I'd read on other forums about faulty cpu temperature diodes so I reapplied heatsink compound to the cpu heatsink and checked all the wiring for shorts but nothing seemed to solve the problem. I was ready to retire the computer and use it for spares for my other macbook when needed but I pulled the keyboard off one more time and tried something completely radical. This fix requires some forward planning and software installation but it has completely solved my Random shutdowns completely.
    for instructions see my next post *Fix for random shutdowns white macbook*

    Ok this is not for the non technical person but it is quite a simple process with the right instructions.
    This first step is very important install the software coolbook($10) and fan control (Free)( not smc fan control). Set up coolbook to operate the cpu at the lowest speed and voltage for both power adapter and battery(1002MHz and .95Volts). Remove the keyboard to access the computer logic board (instructions can be found at iFixit). Remove the four screws and two connectors holding the heatsink to the logicboard and gently lift the heatsink out (very important that you leave the fan screwed in and connected). Close the computer back up if you wish to test just gently connect the keyboard and loosly sit the keyboard back in. Restart and reset the pram immediately. Let the computer boot up and then open system preferences and configure Fan Control to your liking. So far no random shutdowns for over a week (was getting many a day previously.

  • Heatsink Thermal Paste Random Shutdown Revelation

    Symptom: Random freezes, overheating problems, random shutdowns if pressure not applied to top or bottom of computer
    Solution: Make sure screws are tight!!
    Model: Mid 2007, pre-Unibody
    Screws: The two torx screws under the memory panel
    I've been doing TONS of searching to try and solve a problem with my macbook pro freezing, even at low temperature. I have seen many people that have had VERY similar symptoms as me, and would constantly discuss having to re-apply thermal grease. I have only applied thermal grease once (arctic silver) and was having these problems. As I disassembled it today getting ready to reapply it, I pondered carefully while taking apart my macbook for the billionth time. I thought about the points in which I had to apply pressure in order for my macbook to power on properly and not freeze. When I got to the torx screws, I realized these were responsible for clamping the logic board to the bottom case. It is most likely quite important that they be properly tightened, as these are basically the heatsink-processor mating screws!! There should probably be a torque rating for these, as I would be afraid of tightening them too much and breaking the plastic they screw into. Also, I would alternate back and forth between them.
    I had recently transferred my logic board from my MBP to a used one I purchased which has the defective logic board (I plan to bake some time in the future). There were many reasons I purchased the additional MBP, but it was mostly due to mine being in really bad physical condition (dropped, marked up, material loss on upper case at palm area), having a bad display (I bought a replacement but spilt liquid on it) (also had the keyboard/trackpad disconnect issue, but I frankensteined the connector, which I had broke as well, to ultimately work perfectly again). I had THOUGHT I had another problem with the issues in the subject of this post. I was taking apart my original MBP a lot for my display replacement, as well as memory and hard drive upgrades. That's when I first started getting issues with strange freezes and shutdowns. I believe that this lack of tightening of torx screws was the problem even when my logic board was in my original case. The problem definitely became a lot more frequent when I transferred it to the new/used case and in the process cleaned and re-greased the processors. I had trained myself to not tighten those screws enough, and this was especially bad when the new thermal paste needed to be squished down.
    This has been quite a frustrating issue to deal with for the past 6 months or so. A year ago I purchased a brand new adapter and battery from Apple, and I was fearing that they had gone bad (I have the fraying at the magsafe connector....should have taken better care of it, but it can be repaired). Luckily the only loss from this whole dilemma has been a lot of time and a couple hundred to purchase a 2nd machine used, which was actually a great buy. Hopefully I'll bake the bad logic board and get the 2nd machine up and running some day, at the very least it's spare parts! It is great to have the perfect condition LCD and nice condition case.

    Alright, so I got to the point where I was having the problem nice and consistently. It happened to be when my battery was low on charge (I believe this can happen with a high charge too though...). I experimented with having the battery in and out and was able to reproduce the problem even with the battery removed.
    When I was repeating the shutdown failure (it would happen exactly this way when my computer would freeze during normal or non-use <randomly> and would try to turn it back on) I could turn it on if I was tilting the comp, then I would tilt it back toward resting and it would shut off. I did this with the battery in and out, so I could at least rule the battery out. I then started playing with the top case a bit. I noticed the more I had it removed, the more often it seemed to turn on. I found that bringing the top case down would trigger the shutdown.
    There seems to be some sort of grounding issue. I honestly have never been super careful with pads and tape, so missing one of those might be the cause.

  • Are the replacement Heatsinks fixing people's Random Shutdown problems?

    Is the replacement heatsink (the shorter one) still the method of choice from Apple for fixing Random Shutdown problems?
    Is it working for people who've had it done recently?

    Does this max out the CPU?
    Yes. People who advocate this are testing to see if it's possible to induce a "random" shut down.
    Why would anyone want to do that?
    Good question. I've seen two reasons put forward: (a) It's better to make it happen now yourself rather let it strike out of the blue at some later date (and if running this test doesn't induce RSDs you can feel confident that your computer is probably immune); (b) If you take your MacBook to an Apple Store it could be useful for demonstrating to an Apple "genius" that your computer has the problem, especially if your shutdowns are infrequent.
    (personally, I don't agree with (a))
    MacBook (OS 10.4.8)     iMac G4 (OS 10.3.9)

  • New SMC Firmware (1.1) to address random shutdowns available!

    As the title says: http://www.apple.com/support/downloads/macbooksmcfirmwareupdate11.html

    Hi,
    my first impression:
    1) Fan speed now increases faster when the CPU load increases. Before the update, the fans started to speed up at about 75°C. Now they already start at about 64°C and then increase with CPU load and temperature. Before smc-update I could reach about 85°C running both cores at 100%, now they the macbook does not go beyond 77°C.
    2) This SMC update adds one new temperature sensor. Maybe this is related to the working around shutdowns solutions. I wished Apple was more detailed about what they have done. Maybe they don't read out the sensor anymore that could get broken by the melted cable near to the heatsink to prevent shutdowns.
    Best,
    Hendrik

  • Do the newer macbooks also suffer random shutdowns?

    Hi there, I'm considering buying a Mac, and I'm stumped for choice. I'm choosing between an iMac 17 inch to replace my PC, or a Macbook for portability. If I am going to be buying a Macbook, I want to know if Apple tested them for random shutdowns first, just so I know that I won't be buying a machine that I'll have to send out within the first week of recieving it. If the new macbooks (as in the ones with Core 2 Duo processors) still suffer random shutdowns I'll probably go for an iMac instead.

    You're claim that everyone who owns 1 (22 out of 25 people) has a problem is total hogwash. Geez, why would you say such a thing? I recently sold my Core Duo BlackBook, one of the first 500 off the assembly line), and never once had a problem with it - ever! I really didn't want to sell it because it was such a fine workhorse but I wanted 801.n on my home network and needed a C2D to get that. I carried it around on all my hospital rounds and it contained every one of my patient's health records. If MacBooks were as you claimed then Jobs must of personally touched my BlackBook with the luck of the Gods!
    Before it was even sold I bought another C2D BlackBook, loaded it with 3Gig of RAM (yes, you CAN upgrade to 3Gig) and the thing is a most excellent machine. Faster, sleeker, and works like a champ. I transferred all my patient's records within 20 minutes.
    My advice: don't believe the naysayers. Especially here. These forums were established to assist MacBook users with all issues, including problems. But the number of problems is miniscule and those you read here come from less than 1% of the MacBook owners.
    The Core Duo BlackBook sold for just $200 less then what I paid for it and it was fully loaded with everything I could put on it when I originally purchased it. I used it a full year (May to May) and figured the $200 was a year's worth of cheap rental.
    BTW, I got a better BlackBook for less money this time around. Faster CPU, larger hard drive, more RAM and a superior laptop to those of my colleagues - what more could a geek physician ask for?
    Tim...

  • MacBook Pro Random Shutdown with Error Code: 4SNS/1/40000000: TAOP

    Hi All,
    Hope you can help, I have a 1st gen, MBP which i've recently upgraded the HD to a 500gb. Has been working perfectly until today when it had a few instances of random shut downs and not being able to power up...
    Got this error code while checking the Hardware test, but not sure what it actually means : 4SNS/1/40000000: TAOP
    Anyone got any ideas?? The HD is fully compatible and has worked flawlessly since installation, but now wondering if it has something to do with that??!
    Hope someone can shed some light,
    Thanks!
    Darren

    I too have a MBP 15". After 3+ years of good operation, it's developed a sudden shutoff. It happens when the machine is hot. I can get it happen often if playing a web video in Safari.
    I've also run AHT and got error 4SNS/1/40000000: TCOP
    Troubleshooting:
    I used the widget iStat and the utility smcFanControl to monitor the CPU temperature and fan speeds. I found a direct correlation between CPU temperature spikes, fan speed, and shutdowns. My machine shutdown/failed immediately if the CPU spiked for 2 seconds above 120 Celcius - that's a hot spike. I think it's a safety shutdown.
    By using the smcFanControl, I could nearly eliminate the shutdown by forcing the CPU fans to run full speed (6,000 RPM). This way, I could keep the temperature between 68-100 Celsius. However, I could still create conditions using multiple web video playback in Safari & Firefox that could spike the temp above 120 C. I found that running fans at full speed were not enough. Something additional must be wrong regarding heat transfer or sensing. So, I'm guessing the thermal grease on the CPU heatsink is old/dry/cracked. Or, there is dust/link blocking the airflow. Or, there is a design flaw with the heatsink so that it is insufficient to cool or monitor the CPU temperature properly. Not sure yet.
    I see on other forums that there is a new heatsink design and part number. The design has better thermocouple placement. And, if replaced, it will have new thermal grease.
    My question is: How can I purchase a new replacement heatsink for my MBP? Anybody know part numbers or vendors?

  • Macbook problems, hard drive crash, random shutdown, freezes

    I bought my macbook used a few months ago, and it worked flawlessly until about 3 weeks ago. The system started freezing and not booting (getting folder icon instead of apple at startup). I ran drive setup and tried to repair the drive, but this did not fix the problem. DiskWarrior also could not fix it. I pulled the drive and installed a new hard drive, as I wanted a larger capacity anyways. All my problems appeared fixed for about two weeks, then similar problems began occurring. I backed up all the files I needed to an external firewire drive and attempted to reformat the new internal drive. Drive Setup says it can not reformat the drive - can't mount it and if it does, the drive disappears while in the process of formatting. I pulled the new drive and am having it replaced under warranty. I am using the firewire drive to run my computer, and this seemed to work fine for a day or two until the computer just started shutting down with no warning. Everything goes black, including the little light on the front of the computer. I have to hold down the power button for 10 seconds before it lets me start the computer back up. I had read this may be a memory issue, so I ran memtest and it says the memory is fine (I need to do it in single user mode still, however). I also tried pulling both sticks of ram. They are both 1GB crucial memory. I put each stick in by itself and tried it in both slots and was able to reproduce the shutdown issue with any ram configuration of either stick.
    After all this, I realized the firewire drive was only running 10.5, so I updated all the software through software update, and it is now running 10.5.2. It seems to be working better as I have not experienced a random shutdown yet, but I'm anticipating it may start back up soon. Today, however I experienced a different problem - the screen froze on me and the only way to get anything to happen was to force a shutdown with them power button. It's restarted and seems to be working fine again for now.
    I've run some logs and here's some things I've found:
    When the latest freeze happened, I got this repeated over 100 times:
    Apr 29 11:04:31 jon-turners-macbook quicklookd[536]: CGContextClosePath: no current point.
    I've also seen this:
    Apr 29 11:18:19 jon-turners-macbook kernel[0]: Previous Shutdown Cause: 3
    Apr 29 11:18:19 jon-turners-macbook kernel[0]: GFX0: family specific matching fails
    Apr 25 19:19:50 localhost kernel[0]: hi mem tramps at 0xffe00000
    Should there be anything else I can check? I would run Apple Hardware Utilities, but I don't have the original disks, just the Leopard installer. I have Disk Warrior, but it seems strange this would happen with multiple systems and drives. I'd like to get Techtool Pro, but haven't had the money/time to order it yet.

    Thanks for the replies!
    Yeah, I think it's the HDD. I was just worried that the RAM was bad and corrupted the HDD or something, but given the symptoms I think you guys are right. Ordered a 7200RPM 320GB HDD off Amazon Prime...will be here tomorrow
    I'll post how it goes after I finish installing it. I'm backing up as I type.
    I wonder if I can fix the ir port and the sleep indicator light when I install the hard-drive. The sleep indicator light never turns off. It stays on as long as my computer is on, only turns off when I shut it down.

  • To Everyone with Random Shutdowns! (Solved! REALLY!)

    Hey all,
    I had posted about a week back about my Macbook (Core duo white, late 2006), it was having the same symptoms as some of the others with the known random shutdown syndrome (RSS). Like many others I had thought it was the end of my macbook and the logicboard needed replacing because that is what the 'genius' people do, but I was still wondering what would cause it. It would randomly shut off! (or so I thought) I'd be typing in Safari, watching a youtube video, and even playing games, it would just shut off and I could hear the hard drive spin down. I'd restart and it would do it again sometimes right away, sometimes hours later.
    This got me to thinking (like others have said) that it must be an issue with over heating. To test my theory I backed up my HD, and tried to reinstall Snow Leopard after zeroing the HD (as a fresh install). During the install process the Macbook's fan started to get loud and then it happened, it died again! So, this proved to me that it is NOT a software/OS issue at all, which means the said efforts in other posts of changing screen saver and energy saver settings had nothing to do with the cause! Aha moment!
    I thought to myself... something is making it shutdown, obviously, and has to do with too much heat as the fan was going crazy even while reinstalling the OS. After reading many posts on different support forums I came accross the possibility that it could be the heatsink and/or sensor that is attached to it. I also found out that this "RSS" only applies to the non-unibody, core duo, and core 2 duo macbooks... you know what that means?
    These models are the only ones with the shared memory and GPU on the same heatsink! GAH! A possible solution presents itself? To make a long post even longer... I removed the keyboard, carefully unscrewed the heatsink and fan and what did I see? Cracked and dried out thermal paste on the CPU AND GPU, they are both under the same heatsink after all, this was bad, really bad.
    Luckily I had some Arctic Silver thermal paste in a tube from years ago when I upgraded my PowerMac CPU. Using some rubbing alcohol and a soft cloth I removed the crud on the heatsink, processor, and GPU (I might add that there was way too much paste on there in the first place). I waited an extra few minutes to make sure the alcohol evaporated, and then I applied a small (dime sized) amount of thermal past directly onto the two chips, I aligned the heatsink carefully and gave it a very small gentle push down onto the chips, reattached the sensor wire to the mainboard, and screwed the heatsink back in.
    After putting the keyboard back on and making sure all screws were in... I immediately turned on the laptop and reinstalled the OS. The OS install took approximately 10 mintues! (crazy!) The last time I did that it took over 30 mins to install! I was stunned!
    After the OS installed I let the computer idle and shut down, I let it sit for about an hour to allow the paste to contract as it cooled. After starting up again I immediately downloaded Temperature Monitor and installed it (I did have it running when my mac had RSS by the way), here are the results to prove my theory:
    My Macbook with RSS:
    CPU1 and CPU2 Idle temp - 114 degrees (F)
    Heatsink temp - 128 degrees (F)
    Approximate over heating temp - 184 degrees (F) (causing the heatsink sensor to shutdown the laptop)
    My Macbook with new high quality thermal paste:
    Idle temp of CPU1, CPU2, and GPU - 77 degrees (F)
    Heatsink temp - 84 degrees (F)
    Running temp with adobe CS4, youtube, and typing this message - 103 degrees (F)
    Pretty amazing if you ask me!
    Before I applied the thermal paste my Macbook took at least a minute to start up with a fresh OS install, now it only takes about 15 seconds! I have not heard the fan spin up and go crazy since! And I can't even explain to you how much fast it is now!
    This does prove that Random shutdown syndrome (RSS) is caused ONLY by your GPU over heating due to old thermal paste between the chips and heatsink! A design flaw by Apple? probably not because thermal paste will crack and dry over time.
    This also proves that energy conversion to data in the chips can decrease because of over heating, causing the computer performance to dramatically drop!
    So before you take your out-of-warranty macbook to Apple or a repair shop, see what your internal temp readings are and try to replicate the problem with over heating your CPU/GPU! This was a 10 minute fix! I am still amazed at how much faster everything is, and haven't had a random shutdown since! I hope this helps alot of people that think they are out of luck and have to pay to get it fixed!
    - Cory -

    I too have this problem as well and it has been getting worse lately, I don't know what to do anymore. Here is a little info about my macbookPro. I have the late 2008 unibody model, i bought it in late 2009 Refurbished from Apple. Recently my mac has been turning off out of nowhere. I may be doing something and all of a sudden it just shuts off, it usually happens faster when i start to open up more programs like Photoshop or Final Cut Pro. My mac is out of warranty now and i dont know how much apple is going to charge me to fix it. i mean they want 50 bucks just to talk to them on the phone (ridiculous if you ask me)!.
        I have a temperature sensor installed and here is my data
    CPU A Proximity: 126F
    CPU A Temperature Diode: 133F
    Graphics Processor Chip 1: 122F
    Graphics Processor Heatsink 1: 113F
    Graphics Processor Heatsink 2: 126F
    Graphics Processor Temperature Diode: 131F
    Left Palm Rest: 91F
    Main Heatsink 3: 122F
    Main Logic Board: 118F
    Northbridge Chip: 127F
    Northbridge Position: 124F
    Here is more data from the Power
    Battery Information:
      Model Information:
      Manufacturer:          GSA-1281
      Device Name:          ASMB016
      Pack Lot Code:          0
      PCB Lot Code:          0
      Firmware Version:          0
      Hardware Revision:          0
      Cell Revision:          0
      Charge Information:
      Charge Remaining (mAh):          3739
      Fully Charged:          No
      Charging:          No
      Full Charge Capacity (mAh):          4610
      Health Information:
      Cycle Count:          68
      Condition:          Normal
      Battery Installed:          Yes
      Amperage (mA):          -1766
      Voltage (mV):          11793
    System Power Settings:
      AC Power:
      System Sleep Timer (Minutes):          0
      Disk Sleep Timer (Minutes):          0
      Display Sleep Timer (Minutes):          90
      Automatic Restart on Power Loss:          No
      Wake on AC Change:          No
      Wake on Clamshell Open:          Yes
      Wake on LAN:          No
      Display Sleep Uses Dim:          Yes
      GPUSwitch:          2
      PrioritizeNetworkReachabilityOverSleep:          0
      RestartAfterKernelPanic:          157680000
      Battery Power:
      System Sleep Timer (Minutes):          60
      Disk Sleep Timer (Minutes):          0
      Display Sleep Timer (Minutes):          2
      Wake on AC Change:          No
      Wake on Clamshell Open:          Yes
      Current Power Source:          Yes
      Display Sleep Uses Dim:          Yes
      GPUSwitch:          2
      Reduce Brightness:          Yes
      RestartAfterKernelPanic:          157680000
    Hardware Configuration:
      UPS Installed:          No
    AC Charger Information:
      Connected:          No
      Charging:          No
      PLEASE HELP ME, I CAN NO LONGER TRUST MY MAC FOR WORK. any replies will be appreciated. thanks

  • Random Shutdown Because of Heat Sensors?

    I bought my white MacBook in mid-May (week 19 production) and it worked fine with the exception of a whine when I did not have the iSight Cam on, the occasional mooing after using the computer heavily then using the CPU lightly for a while, and the discoloration. If you ask me it wasn't that much of a set back because this computer was fast and reliable... or so I had thought!
    All of a sudden about a week ago, after I had the discoloration fixed, thanks to AppleCare (which only took 5 days), my computer shut down randomly in the middle of light usage...
    At first I had thought that my external hard drive was the problem and I was very upset that this had happened. I tried to reboot my computer, but all that would happen was the usual DVD drive start up sound and then it would turn off again. I tried about 5 times to restart it with no luck, so I walked away. About 20 minutes later I was able to start it back up...
    After not using my external hard drive for a day, it happened again, in the middle of normal internet browsing and listening to music it randomly shutdown. I thought that maybe it was an OS 10.4.7 issue, because I had not had any problems with x.6, so I erased and restarted from scratch, and once again, another MacDeath. Once again, I thought it to be my fault in my installation of 2Gb of RAM. I re-installed the custom 2x256 RAM that came with the computer ( and will remain in my hands forever, because you can't even pay someone to take away a stick of 256Mb RAM these days) well after the old RAM was forcefully shoved back in, it died again! This is when I started to get mad...
    I put up with the whinning, I put up with the heat, I put up with the discoloration (for a while), but now this? WHY!
    Over the next week it happened almost daily and sometimes when I would turn on my computer after it being off for at least 5 hours, it would load my home screen and after about a minute I would hear the fan come on for a few seconds, and then it would die again. I noticed that most times that my MacBook would shutdown unexpectedly, the fan had just turned on for a few seconds or I was playing a game and the fan was already on...
    So today I called AppleCare and I had to wait about 30 minutes before I talked to someone... (When I called last time about discoloration, the wait was about 5 minutes) So either there are more and more angry customers calling, or Apple is firing employees to increase their stock value...?
    When I finally got through the man told me that it was most likely not the Logic Board, but instead FAULTY HEAT SENSORS and/or FAULTY HEAT SINK APPLICATION. I won't lie I have seen Core Duo Temp show readings as high as 91 C (about 196 degrees F). I knew that this things got hot, but not so hot as to start a fire if left on too long....
    So I am getting a box from DHL tomorrow (woohoo) MacB. and I get to part ways again, but this time, from reading many threads, I assume our time apart will be much longer approaching around 2 WEEKS!!!
    All I hope is that AppleCare will fix the heat sensors that are supposed to shutdown the computer when it gets overheated.... I have to go to school in about a month and I will not have time to deal with these kinds of issues! I really like the MacBook and all of it's features, but I did not sign up to get a MacDieOnMeBook!
    APPLE USE SOME OF THE 24% SALE INCREASE THIS QUARTER TO HELP YOUR LOYAL CUSTOMERS WHO HAVE BEEN WITH YOU THROUGH THE GOOD AND THE BAD!
    MB 2GHz White 2GB RAM - 250 GB External HD   Mac OS X (10.4.6)  

    As of yet i'm not exactly sure about the heatsink problem, although a few in here have reported machines that work well after having this part replaced, while others who only had the MLB replaced reported a recurrence of the problem.
    as for the volume indicator, i noticed that mine did that too, but it was in fact muted whether or not the tool bar indicated it. i dismissed this as a small quirk, similar to when my volume indicator didnt change as i pressed the volume buttons on my old laptop. but so long as there was an acknowledging "squirt" noise on the computer indicating change of volume, that shouldnt be a problem.
    good luck withyour MB

  • MacBook 3x went to service center, still random shutdown, what to do next?

    Hi! Mine is week 17, and mainboard already replaced for 3 times. The last one they replaced the battery also.
    There is no Apple Center in here, I deliver it to the local authorized Apple service.
    I just got my 3rd replacement yesterday, and I noticed from the first place that it got blank gray screen on startup & can't sleep using the Energy Saver. But I waited long enough for the repairement, so I decided to take it home anyway. At home, I did the commandopt+pr and reinstall it back to 10.4.6 using the equiped cd. But still it can't sleep using Energy Saver..
    But the blank gray screen problem is gone.
    Today I calibrate (since they replaced the battery with brand new one), after the process done (5 hours sleep, zero battery), I plugged the magsafe and I heard looping click sound, and it went random shutdown again!
    And it goes shutdown on: yes dev null
    I just do the commandopt+pr, and the yes dev null havn't invoked the shutdown. But from my previous shutdown experiences, it will go crazy random shutdown in about 3 days ahead from now.
    So what to do next? going to the authorized service again?
    I'm sick and tired now.
    Also the outer body case is suffers little scratches, and it's getting mucher and mucher everytime I got it back from repairement.
    Oh dear God do help me! All I want is for my money back, at least a new replacement for my MacBook.
    And they said Apple wouldn't allow it.

    Since you're not actually turning it in to Apple for repair, I wonder if the repair shop that's doing the work knows what they're doing. Since you've had the logic board replaced three times, that's pobably not the solution. I had the random shutdowns and verticle lines on the display, and Apple replaced my heatsink and then erased the HD and re-installed to factory settings, 10.4.6. I then migrated my data from my backup HD, updated OS to 10.4.7, and installed the SMC firmware update. No problems since then.
    Many other users have had their logic board replaced more than once only to continue having the problems. Some have had logic board replaced once and then no longer have problems. Others have had other parts replaced, such as in my case and have had no problems.
    Apparently each MacBook has to be diagnosed individually to find the problem.

  • Mbp random shutdowns. out of ideas. didnt pay $4000 over for this garbage.

    So i had my 1st gen cd mbp for over a year now. almost a year and a 1/2 in fact. I forgot to buy app. Bad mistake, because its super unreliable now. 3 months into ownership, fans stopped working, magnetic catches fail to work so i cant shut my mbp. So i brought it to the service centre. they said there was a screw stuck in the fan which resulted in it not turning. *** did that screw come off? He said he had no idea. Fantastic.
    My problem was fixed, but wif it came another problem. my top case was severely misaligned. alot of gaps all over. I brought it to another service centre who claimed they ordered a top case for me, and they would replace it free of charge. And they did, but it didnt resolve any issues. Still alot of gaps. I was told "its like that". I had enough of waiting so i just forced myself to live with it. Get this; i had to live with imperfections on an high end premium mobile computer which cost me over $4000 bucks. Garbage.
    Fast forward to abt 2 months ago, my warranty had ended, but the gaps were getting worse. As it was a problem that had existed in the days since my laptop was covered, i called Apple and asked nicely if there was something they could do about it, since it was an issue that was left unresolved from many months back when my warranty was still valid. No problem they said. I was a happy man, for awhile, as you will soon find out why this happiness was shortlived.
    I should add at this point, that my mbp has been on the receiving end of a stick of kingston 1gb ram(bumping up my system ram to 2gb) and a replaced battery, and that its working PROPERLY
    So i brought it in to 1 of the service centers, and i was quite suprised to discover they actually replaced my top and bottom case. There were still gaps.. but minimal. The CSO told me the same thing; there are bound to have gaps once an mbp has bene taken apart and put together again. Garbage isnt it? I didnt fork out big money for imperfection. But then again, as i said, the gaps were quite minimal and it was on a level i could accept. So i signed for it and i was on my way home.
    Since then, i have been on the receiving end of many many many random shutdowns. iStats showed a very high 128deg. c @ heatsink B while the rest of the readings were pretty normal. and then the whole thing would shut down. @ times heatsink B readings were not available on iStat. Sometimes heatsink B disappears altogether.
    So i took it back, where after subsequent diagnoses by the techies, said that it was the result of a faulty battery. I told them i had no problems whatsoever before i brought my mbp in.. but they said they were very sure it was a faulty battery. What timing right? Well they gave me a new one free of charge, because i was under the battery exchange program. So, i am into my 2nd battery of my 1 and 1/2 years of mbp ownership.
    So it looked ok the 2nd time i brought it back home.. but now its still developing sudden shutdowns. I really dont know what to do now. its not OS based as it happens both in Xp & OSX. It happens whether the power is plugged in or not.
    Can it be the ram? But i swear it has not been giving me any problems before.
    Seriously can anyhelp? Any suggestions? I cant be going back to the service centre everytime it happens. I need my mac everyday for sch work and etc etc. i am really not compelled to yell @ Apple over the phone. Nobody deserves to be yelled @ for something they didnt do....

    Thats what i am doing now. I took out both rams and reinserted. And you know what... it seems fine now. Its like a very irritating bee-otch of a girl friend. 1 moment all nice and sweet. The next shut on you like never before

  • Random Shutdown Problem

    Hello I started seeing the random shutdown problem around 6 weeks ago. The problem occurs every once in a while usually around the first 5 minutes of the unit booting up. When the system powers down I will try to bring it back up but it just powers down within about 15-30 seconds again. So I wait a little while about a minute, sometimes removing the battery for 30 seconds and the system will come back fine. The random shutdown has happened probably about a dozen times within the last 6 weeks. It's not causing a real big headache yet. I didn't purchase Applecare as I never do because I rarely keep a laptop for more than a year. My question is has anyone got their unit fixed what was the culprit. I've sent my unit in already once due to receiving a spinning pinwheel 90% of the time. They gutted the unit and sent it back and it has been working fine other than the RSD. I've been waiting things out to see if there is going to be a software fix for the RSD. Any tips recommendations are appreciated.

    My question is has anyone got their unit
    fixed what was the culprit.
    Mine has not had the problem recur after replacing the heat sink a month ago. Currently Apple seems to be replacing both logic board and heat sink with a new design for the combination.
    They gutted the unit and sent it back
    and it has been working fine other than the RSD. I've
    been waiting things out to see if there is going to
    be a software fix for the RSD. Any tips
    recommendations are appreciated.
    General opinion would say it's a hardware problem; there won't be a software fix.
    I'd say you should send in it for repair.

  • K9N Platinum: CPU upgrade = Random shutdowns..

    I just installed a new AMD Athlon 64 X2 3800+ EE in my MSI K9N Platinum motherboard (MS-7250 v1.0, the 070 model according to the box). I had updated the BIOS to version 1.7 before installing the CPU. Anyhow, I got the CPU installed and it seemed to be running fine. Until I started playing my games. Upon playing fifteen (!!!) minutes of Day of Defeat, the system completely turned off. COMPLETELY. No error messages. I check core temp's log to make sure the CPU wasnt overheating; it wasnt. The max temp was 38C on one of the cores. Just to make sure the CPU wasnt the problem, I ran two instances of prime95 for 5 hours and there were no calculation errors whatsoever. I also ran 3-4 loops of SuperPi, using the 32M test. No errors.
    I have come to the conclusion that it must be the motherboard, and possibly it does not like the CPU. Or else it is having the same random shutdown problems as many other K9N Platinum/Ultra boards are experiencing. From what i have read, this issue only relates to boards that are 040, 050, or 060 models. I have a 070 model, and I AM GETTING THIS PROBLEM!!
    Help!!!
    Full specs:
    MSI K9N Platinum MS7250 V1.0, BIOS 1.7, model 070
    AMD Athlon 64 X2 3800+ EE (old CPU: AMD Athlon 64 3500+; had no issues with the 3500+) vcore: 1.225
    1 GB OCZ Platinum DDR2-800, 5-5-5-15, 2.1v
    eVGA GeForce 7800GT videocard with Zalman VF900, 490/1220
    Hitachi Deskstar 7K80 SATA HDD
    LITE-ON DVD-ROM drive
    Floppy drive
    3x 80mm fans, 1 cold cathode
    Antec Truepower 430 watt PSU, dual +12v @ 17A a piece.
    Any ideas? 

    well, i know that ACPI has to do with power saving features.
    http://en.wikipedia.org/wiki/ACPI
    and HPET also has something to do with CPUs
    http://en.wikipedia.org/wiki/HPET
    and MCP55 is the nortbridge.
    so i suppose i can conclude that it protects from overvoltage or promotes more power-saving?  i dunno i really dont care as long as my PC works now, 

Maybe you are looking for