Then you don’t really know if the T-CON is still in good shape. Now for the fun! The LCD display cables are soldered onto the T-CON board and it’s easy to damage the cable. The best you could do is find a cracked display to steal the board. That's why for 7 years now, all my MBP are hyperventilated at home with TG pro controlling the built-in fans.īy - the T-CON board is not really replaceable (not offered as a spare). I've already seen pictures of several MBP 16' T-con with burned I.C. To be honest I love MBP "outside" design but I am not convinced at all by the thermal design of the Apple Macbook Pro 16': The GPU and CPU are very closed each other and the built-in fans push the heat onto the middle of the screen where T-con board is located. I'm not doing intensive game, 3D calculations, or Deep Learning (we have dedicated servers & Nvidia GPU for that -) but from time to time I run Pro audio apps or VMware Fusion VMs which make the CPU reaches 85-90° (which is in the acceptable range defined by Intel for this CPU). I open the MBP once a year to clean internal fans too. The MBP stands on a cold aluminum plate and TG Pro is installed. I did not mention but My MBP was mainly used in a hyper-ventilated 19' Rack: 2 external fans in front + 2 in the back of the MBP. But I think first I must grab my system board' model number. I'm looking to buy a T-CON board before planning to swap the entire screen. Thanks to the community for any tips & tricks or assistance. I also clean the Mac with Wet & Dry wipe. This Macbook Pro has only been used at home, lid closed, on a ventilated shelf, and attached to my external display. I've installed gSwitch app to set/force the use of the discrete graphic adapter. With my preliminary testing, I don't consider the GPU defective: Am I wrong?Īfter this issue appeared I disabled Dynamic GPU switching. What should I check now to move forward in my troubleshooting, please? I am repairing musical instruments (analog & digital synthesizers & mixing consoles.) I have basic knowledge of SMD micro welding. Even with a light/torch, I don't see any text/graphics on the internal screen of the mac when I slowly open it (unattached from the docking station and external screen). I also checked if I was not concerned by Flexgate. (but the internal screen still displays nothing) If I open the Macbook Pro lid, MacOS BigSur detects it and the external monitor is automatically configured as my extended screen. When I connect my Mac (lid closed) to my Calldigit TS3 (thunderbolt 3) docking station attached to an external screen (through Display port): The mac is displaying macOS' desktop perfectly on the external monitor. If I connect an external HDMI monitor through a Thunderbolt 3 adapter: no picture at all on the external screen which enters into sleep mode. Resetting NVRAM & SMC did not change anything (except the chimes is now louder.) The backlight is OK and I can modify the backlight intensity through the Touch Bar (which also works perfectly) This Macbook Pro is running an AMD Radeon Pro 5500M 8GB. The internal screen of my Macbook Pro 16' 2019 A2141 suddenly did not display any graphics or text.
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