![]() Apple Certified: Current or former Apple employees who have a certain level of certifications are given this title.Apple Trained: Current or former Apple employees who do not possess a higher level of certification.It is granted solely at the moderator's discretion.) Apple Helper: These fine individuals are hand-picked by the moderators as a badge of their expertise, despite not having any formal Apple training.We have four flairs to offer! PM the Mods with a GCX screenshot (or other proof), and we'll add flair proudly proclaiming your expertise! No rank is an indication that the person is always, or even mostly, correct. However, if a response is rude, irrelevant, or harmful, please report it. Do upvote interesting questions and helpful answers.ĭownvoting questions you feel are annoying or repetitive is counterproductive. All comments should have some relation to their parent.Ĩ. Top-level comments should contain an answer to the question(s) in the post. Answers must be within the bounds of Apple’s EULA.įor a list of subjects inappropriate for /r/AppleHelp, see Guideline 2 above. People come here for help, so please don't shove them right back out the door. Rudeness will not be tolerated! Suggesting someone "Google it" is a good example of this. Fixing problems over the internet is incredibly difficult! Guidelines for Readers We're here to help, and this is the easiest way for us to do that. If posting the same question in multiple places, include links to the other threads.If posting a log or crash report, upload it to Gist.Photos or screenshots of the issue Mac or iOS device.Your model of Mac, iPhone, iPad, iPod, etcetera.Please make sure to include the following: Bypassing an Activation Lock or firmware password.Ĭertain information may be crucial for solving issues.If you are running a beta or developer preview, head over to /r/AppleHelp_Betas. Developer Previews and AppleSeed Betas.Questions must be within the bounds of Apple’s EULA.Ĭertain subjects are not appropriate for /r/AppleHelp, including: Readers attempting to help you deserve thank-you's and upvotes! Also, after finding a solution, please make sure to mark your post using the "edit solved status" (or "flair") button.Ģ. Under High Sierra (didn't work under Catalina) disabling the GT 650M by that nvram-variable playing with the power preferences.Check our /r/AppleHelp FAQ and basic troubleshooting guide before posting. As one can imagine, it's literally "hit or miss", and as soon as i reboot, i have a black screen again.Ģ. Boot with external display, open gfxCardStatus, disconnect external display and then try to blindly click on "use HD4000". The only situations where i got everything working:ġ. I already replaced the whole display assembly to no avail. ![]() Then again, forcing it to only use the GT 650M in display settings (turn graphics switching of) does not give me video on the internal display. Weirdly with an external display display it works perfectly, which should mean that the GT 650M has no problem. It is a really weird problem: sometimes i get display but no backlight, i only get backlight or i get no display at all. Thanks for your fast answer! I'll try booting up in target mode when i reassembled the machine. If not that tells me the cable and or it’s connections between the logic board and the display need inspection and may need repairs. If you get that far you know the Iris graphics within the Intel CPU is working. ![]() At which time you should see either a FireWire or Thunderbolt Icon on the screen. Are you able to boot up in Target Disk Mode? Just press the T key just after you start the system. I’m suspecting you likely have a different issue at play here. That’s not the say the NVIDIA didn’t have its issues but I rarely needed to deal with them and the approach of disabling the discrete GPU is different if it’s dead. The 2011 models had the crappy AMD Radeon HD 6770M which just didn’t hold up for quite a few reasons. ![]() I’m not sure why you disabled the discrete GPU (NVIDIA GeForce GT 650M). I don’t have the schematics in front of me right now but I don’t think there is a comparable chip in this series. The unibody’s use LVDS signaling unlike the Retina models which depending on the series is either eDP or iDP. ![]()
0 Comments
Leave a Reply. |