You have to make sure you press these keys before the gray screen appears or it won’t work.

Press the power button and then press the command option p r keys.

Yes, a full shut down, not just logging out. Here’s how to reset the NVRAM on your particular MBP: Older Macs had what's called Parameter RAM (PRAM), newer Macs use Non-Volatile Random-Access Memory (NVRAM). Take a note of whether the fans and/or anything else improves and report back.

Turn your computer back on with the power button.

Press at the same time shift option control (on the left side of the keyboard) and the power button.

Keep the MagSafe adapter (power cable) plugged in.

Your computer's System Management Controller (SMC) can be reset as follows: Okay, the first things I would do are reset your SMC and NVRAM. I'm a Mac noob and am pretty much out of ideas, and so I want to check the hardware. wiped the VM image and created a new one,.

I have checked the VM settings and they are identical. The external monitor occasionally goes black for a second or two. If I leave the Mac for a while, it has crashed when I return and refuses to wake up requiring a reboot. (Aside from my infuriation, the sheer amount of noise mine makes has become a standing joke in the office!). I am also not able to run VMWare Fusion in Unity whereas my colleagues are. My colleagues' machines run quietly and only occasionally run the fans (but even then the fans are run slower than mine). When VMWare is running, the fans are running full speed almost constantly on mine, and Windows can become almost unresponsive at times. The only quirk is that I use an external monitor, although my colleagues have used my monitor themselves with no problems. The machines are all running Sierra, but mine has run poorly since way before the upgrade. The main software we use is VMWare Fusion running Windows 10 and the Mac version of MS Office. I want to test the hardware to see whether there is a fault.Īll the MBP's we use are Retina 15-inch Mid 2015, 2.5Ghz i7, 16GB RAM. Mine is significantly slower and runs significantly hotter than my colleagues'. The company I work for uses MacBook Pros.

15 inch macbook pro 2015