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Smartphone phare de Huawei, lancé en avril 2018. Modèle CLT-L29.

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Phone is turning on, but screen stays black

I've got p20 pro with completly smashed screen, it was turning on. There were vibrations and sounds like normally, just screen was black. I was sure it was damaged, beacuse it was shattered, so I changed screen and nothing changed. Screen stays black while charging, turning on, but I can hear that phone is working. I have no idea what to do...

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@shironista how did the screen get smashed? Any potential damage to teh circuit board? You checked the connector to make sure it is all properly inserted? Check the connector for any damage on the contacts? You got a display from a reliable source? Have you checked in a darkened room and by shining a flashlight at an angle against the screen, if you can see anything on your screen (looking for a bad backlight here)

par

It was dropped, and I don't really think it could be damaged that badly. I reinserted the connector couple of times, so it should be fine at least once. Source is reliable, seller had very good opinions.

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Try a soft reset:

Press and hold the Power and Volume down key wait 'til it restarts. If that fails try a safe boot.

Press and hold the power button and release it when you see the Huawei logo. on screen. Quickly press and hold the Volume down key, hold it till the phone reboots, If this works it means there's a problem with a recently installed app, remove it. You can also try clearing your cache once you have the screen available. This may not work, but it often does, holler if it doesn't.

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HI , Jaun Garcia this did not work for me, My p20pro is stuck on the Logo screen any suggestions?

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Mason Govender, in your case try:

- holding the power button until it restarts (forced restart)

- if that fails, wait for the battery to die completely, and then restart. (After charging at least50%)

- wipe the cache:

POWER OFF

hold down Power+Volume Up Buttons 'til logo disappears/black screen. Release buttons. You should see boot menu after this.

Scroll to 'Wipe Cache Partition' using volume buttons; select with power button. Reboot when completed.

- factory reset like above, but choose 'Wipe Cache Factory Reset' This option WILL lose your personal data!

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Kacper Nowacki sera éternellement reconnaissant.
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