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hardware diagnostics

  1. haralds

    MP 1,1-5,1 How to invoke Diagnostics on Mac Pro 5,1?

    I was trying to diagnose an issue on my cMPro 5,1 with howling fans that turned out to be bent pins on the backplane. As part of trying to debug, I failed to be able to invoke diagnostics. I set the startup volume from EFI OCLP to Mojave and tried booting with Depressing "D" Depressing Opt-Cmd...
    • haralds
    • Thread
    • hardware diagnostics mac pro
    • Replies: 12
    • Forum: Mac Pro
  2. R

    Best Hardware Monitoring tool for M1 & M2 Mac?

    What hardware monitoring tools do you use for you m1,m2 macs? I was trying to see if there was something as granular as HWInfo, but for mac? What options are available that are also free? Thank you.
  3. T

    Hardware Diagnostic Test

    Does anyone know if the hardware diagnostic test has changed in MacOS Big Sur? When I restart my machine and hold the "D" key, it appears to send it into recovery mode.
  4. L

    MacBook Pro doesn’t charge, no light on MagSafe

    (MacBook Mid 2015 15”) So last night while rendering I took a look at my Mac and saw that the MagSafe LED is not on at all and it’s also not charging. It was still on 100% so whatever happened had just happened. I suspect something overheated or so since the fan went crazy fan and the Mac got...
  5. B

    Unusual Power Issue: Logic Board or MagSafe Board failure? Or something else...

    I'm at a bit of a loss as to what is wrong with my mid-2012 15" MacBook Pro Retina (i7, 16GB RAM, Intel & Nvidia GPU). This will be a bit of an essay so bear with me! Background Bought in September 2012, had logic board and GPU replaced under Apple Repair scheme due to faulty graphics. Also...
  6. R

    Logic board or GPU fail?

    So today I walked on my 2011 iMac having a blue screen, like on that laptop, after reset I got a that screen with yellow stripes. Google it a bit, but couldn't find anything useful, at least other guys with similar issue got apple logo, I don't even have that. Can't boot into hardware test...
    • renox
    • Thread
    • hardware diagnostics hardware fault repair
    • Replies: 6
    • Forum: iMac
  7. Amanda Ripanykhazova

    New graphics problem on 2011 MBP with failed AMD chip

    Here's a new one?: A few months after successfully deactivating the AMD chip and using the Intel one, I ran a command-D hardware diagnostics to check memory. (check reported a bad chip with both inserted on extended testing but testing each one individually in either slot reports both SODIMMs...
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