Screen won't turn on after new display cable / new screen

Question

Samsung Galaxy S21 5G

Información de reparación y desmontaje para el smartphone Android Samsung Galaxy S21 5G, incluido el modelo SM-G991U.

Preguntas 20 Ver todo | 18 Piezas Comprar

Austin McDonald @foothand

Rep: 1

Publicado: 19 de dic. de 2024

Opciones

Screen won't turn on after new display cable / new screen

Hey guys,

I replaced the screen in my girlfriend's S21; the touch was going whacky. In the process of getting the back off of the phone, I cut the display cable with a guitar pick. So I ordered a new one off of Amazon. It is identical to the one that was originally in the phone. Anyway, I put everything back together with the new screen, but I cannot get any picture or touch functionality at all. The screen came from iFixit obviously. What can I do?

Contesta esta pregunta Yo también tengo este problema

Es esta una buena pregunta?

Sí No

Puntuación 0

Agregar un comentario

1 Respuesta

jayeff @jayeff Rep: 549.2mil 11 422 1.6mil · Answer 1 · 2024-12-20T01:13:50-07:00

Respuesta Más Útil

jayeff @jayeff

Rep: 549.2mil

11

422

1.6mil

Publicado: 20 de dic. de 2024

Opciones

Hi @foothand

Does the vibrate motor buzz when you first turn on the phone?

Here's the troubleshooting section from the service manual that may help.

Go to Sect. 8-4-1. Power on, on p.8 (of 67 pdf numbering) and follow the flowchart paths and see how far you get.

Use the search function in your browser e.g. if Win OS use Ctrl + f, and type in the component ID of components shown in the flowchart to find their location on the board layout diagrams in the guide. You will have to zoom in a lot to see them. ;-)

Unfortunately, there's no parts list in the manual so if there's a faulty component it may be difficult to find the correct replacement part.

Fue útil esta respuesta?

Sí No

Puntuación 1

Agregar un comentario

Samsung Galaxy S21 5G

Screen won't turn on after new display cable / new screen

1 Respuesta

Añadir tu respuesta