Fault · Display and touch
No display
Black screen or no backlight with the device powered on.
View the guide steps online with your BoarDray account.
Covered on 180 models
- Samsung94With guide
- iPad43With guide
- iPhone43With guide
How to approach it
The screen receives several rails through its connector, the backlight (LCD only) and data over MIPI differential pairs. Before measuring, try another screen to rule it out.
Other faults in Display and touch
- Touch not respondingView fault
- No auto-brightness or True ToneView fault
- Screen very dark or no backlightView fault
Where to find it
- By modelEach model lists the guides that apply to it.
- By familySamsung, iPad, and iPhone already have the guide.
Models where it is covered
Samsung · 94 models
iPad · 43 models
iPhone · 43 models
See inside every board
Sign in to open the No display guide next to the schematic and board view.