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A new version of the Galaxy Tab A 10.1 was announced in February 2019, with Android 9.0 Pie (upgradable to Android 10), the Exynos 7904 chipset and an IPS display with an unchanged resolution. The rear flash is removed, S-Pen support is dropped and the battery is smaller, while the front camera is upgraded to 5 MP and the speakers are now stereo. Models numbers: SMT-515 & SM-T510.

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Whats wrong with my Tablet?

When I turn on the tablet there’s no display, but there is a start up sound. Which made me think that the display is broken. So I opened my tablet and tried reconnecting the cables and replacing the screen with new one. The result is still the same.

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1 Answer

Hi @usubaka ,

It probably won’t work but try starting the tablet in safe mode and check if there is a display.

If no good then try shining a torch at an angle close to the screen when the tablet has been turned on and check if you can detect any images at all.

They will be very faint so trying this in a darkened room may help to see them if they are there at all.

If there are images there then there is a backlight problem.

Since you have replaced the screen then most probably it is in the motherboard's backlight power supply circuit.

I can't find the schematics for the motherboard but with a lot of phones/tablets there is a fuse in the circuit so perhaps it has blown for whatever reason.

If there are no images on the screen when using the torch then there is a problem with the systemboard. Has the tablet been dropped or gotten wet at all?

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