MacBook Pro 2016 black screen but trackpad works
Hi,
I’ve been having a problem with my 2016 MacBook Pro 13" Touch Bar for several months.
- This one no longer starts and the screen remains completely black without any display (I also tried to use a lamp to illuminate the screen but there are no displays at all).
- No keyboard backlight, the Touch Bar also remains off and the green diode of the CAPS LOCK key does not light up either when I press it.
- Strangely, the only functional thing is the trackpad since I still have the haptic feedback after I try to start the computer. I assume the computer's starting up, but there's something preventing a full boot for some reason.
Another detail that is surprising (and this is the reason why I indicated "for several months" at first), this same thing happened to me two other times before.
And after many attempts such as resetting the SMC and NVRAM, charging the MacBook for hours, trying to boot with or without the charging cable etc... the computer finally managed to boot these two times and everything was working normally.
The only reflex I had at that time was to check the state of the battery that seemed to be normal. After turning off my MacBook and not using it for 2 or 3 days, here I am again, facing the same issue but this time I'm not lucky enough to get it started again…
Would anyone have been confronted with the same situation or would at least know where it could come from?
Any help would be much appreciated.
Thank you !
Update:
I tried a few things since I didn’t have any answer about my problem:
- Disconnecting the battery with the power cable connected. The MacBook starts but still no display.
- Disconnecting the trackpad with power cable connected. The fans run at full speed but no display either. I also checked the trackpad ribbon, which is not damaged (neither the pins of the ribbon, nor those of its socket on the motherboard).
- I inspected the motherboard for long minutes. Looks like there is no oxidation.
- Disconnecting the screen ribbon to check if it was potentially oxidized or damaged, which is not the case. The pins are not damaged either, and neither is its socket on the motherboard.
So despite several tests I still don't know where it can come from. If it only came from the screen, I think the touchbar would work as well as the keyboard backlight.
crwdns2934109:0crwdne2934109:0
Sorry for not catching your Q! I just didn’t see it until now.
crwdns2934271:0crwdnd2934271:0 Dan crwdne2934271:0