The display does not turn on after replacing the battery.
After one screen break, I watched YouTube at home (I did not know ifix at that time). After a few months after the repair was successful, I felt that the battery could not function properly and replaced it. However, after replacing the battery, I covered the liquid crystal again and a black line appeared, so I assembled again and I heard only the sound and the screen did not turn on. I want to solve this phenomenon, but it seems to be selling the part in ifix. What part would solve my problem? I have about 10 repair experience, but I do not even know what parts I need to buy in case of a breakdown. I also apologize in advance for the lack of English language skills and the lack of sophistication in terms of word order and vocabulary
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