In particular, I upgraded the RAM on the machine from 8 GB to 16 GB, installed a 512 GB SSD (which was supposed to be more energy efficient), and also removed the CD / DVD Drive (did not install anything in its place).
#Gfxcardstatus os x mac os x#
so what the hell?Īm I right in believing that the battery life issues are related to the way that Mac OS X 10.8 handles the graphics card switch? Another culprit could be that I replaced a few of my MBP parts myself a few months ago.
There are a couple of workarounds on the program's website's forum. The app is compatible with later versions of Mac OS X 10.7, and shows which apps can force the system to switch into discrete mode. but VLC already runs smoothly on computers with only integrated graphics cards. due to a change in the OS, gfxcardstatus itself is now seen as requiring the discrete graphics card. The app is called gfxCardStatus and it resides in the Mac OS X main menu bar. I hear this is to make sure that apps which use OpenGL run smoothly. I uninstalled the NVIDIA Web Driver control panel and gfxCardStatus in an effort to eliminate non-Apple software but then noticed that in the About this Mac > System Report > Graphics/Displays (even with alt-key pressed), only the GeForce 9400 M is listed. This is frustrating since the discrete graphics card turns on automatically whenever I run an app like VLC which uses OpenG. Unfortunately, however, it does not work in 10.8. Is there a way to permanently turn off the discrete graphics card in Mac OS X 10.8.2? I used to be able to do this using the gfxCardStatus app in Mac OS X 10.6 and 10.8. I believe that the remaining decrease in performance is just linked to software changes in Mac OS X 10.8 that automatically turn on the discrete graphics card.Īny advice that can improve my battery life would be very much appreciated.
That said, the Battery Health app says that my battery should still be able to carry up to 85% of it's capacity, so I would expect around 6 hours of usage at least. If you force integrated graphics in GfxCardStatus, Mac OS X (up to Yosemite at least) doesn't allow you to use multiple monitors (even though the built in Iris Pro can do it). Some of this is due to the fact that my battery is 2 years old and has been through 475 charge cycles. Using the same settings today, I can scrape at most 3.5 hours of battery life. I am posting because I currently have a 15'' Macbook Pro (Early 2011 edition) and have suffered from poor battery life since upgrading from Mac OS X 10.7 to 10.8.īefore the upgrade, I could use my MBP for around 7 hours when I turned off the discrete graphics card (using gfxCardStatus), dimmed the brightness and switched off the WiFi / bluetooth adapters.
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