Received a Macbook A1707 does not display when the screen angle is over 45°.
Model: Late 2016
Year: Mid 2017
Troubleshooting
The Macbook can display when the screen angle is less than 45°.
But when the screen angle is over 45°, no display issue will happen. Based on the repair experience, this is a common issue for this model, the flex cable is not long enough, and after using it for a long time, the flex cable is easy to get aging and worn damage.
The no display should be caused by the screen flex cable damage rather than the motherboard problem.
<No display when the screen angle is over 45°>
Repair Process
Since we have repaired this kind of similar issues many times, let’s replace the screen flex cable directly.
See the detailed working process as follows.
- First, disassemble the Macbook.
After separation we can see, except there is too much dust inside, the motherboard looks fine. Later before assembling, let’s clean it thoroughly.
- Remove the screws which are used for fixing the screen
- After removing the screen, let’s put it on the heating platform to heat and separate the flex cable
The process is a little bit complex and we need to be very careful and patient
- remove the logo plate first
- remove the screws under the flex cable one by one
- replace the flex cable under the microscope
- Clean the fust
As we mentioned, before assembling the MacBook, we need to clean the dust on the motherboard, and back cover, as well as the dust in the gaps.
- In the next step, let’s assemble the parts and fasten the screws
- Power on and test, the screen can display normally
In the last step, let’s stick the logo plate back to the position with the double-sided tape.
Keep using it for a few hours to test, and the MacBook still works fine.
The issue gets resolved by screen flex cable replacement.
