![]() (also, from what I can tell, its the cheapest component to replace and test). ![]() Given that the system sees the Panel in the settings, and thinks its OK, and that I can use an external screen OK, Im leaning towards the backlight being the problem. All four lights are lit - suggesting POWER-OK, LOGIC BOARD - OK, GRAPHICS - OK, LCD PANEL - OK. ![]() The main panel remains black.įurther reading in the tech manual I posted above, I checked the diagnostic lights on the logic board that are visible through the venting on the bottom. both the eternal screen and the external display is identified, however attempting to switch to it or use it does not 'work'. When you have an external display connected does the internal display show up in system profiler under Graphics/Displays?Actually, yes it does. and if needed you could also look into resetting the SMC Here I just wanna share the upgrade I did recently to my friends mini computer. Desktop Graphics Cards (29) Input Devices. If that doesn't work, would could try to reset the PRAM and NVRAM. In order to change the graphics card in a notebook with a corresponding mainboard and connection, it is sufficient now to remove the old MXM card and insert the new one.
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