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The Samsung Galaxy Tab S 10.5 released in July 2014 is a 10.5” Android tablet with a 2560x1600 pixel resolution, 16GB of storage, and 8.0MP camera. Model numbers: SM-T800 (WIFI), SM-T805 (Cellular and WIFI)

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Why won't my tablet turn on?

I have replaced - battery, main mother board, left speaker with power strip.

I put new battery in & used it until it died. Charged it over night & when i unplugged it, it said 100% charged. Unplugged it & tried to turn it on but wont power on. Theres no noise, no nothing. I also tried holding the power & volumn buttons down. Ive taken it apart & receded everything. Took off button & tried to start it manually. What else can i try?

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@mamabearcat just to make sure I understand you correctly, it worked without any problem for as long as the battery was charged/ After that it said the battery was at 100% but did no longer have a sign of life. You said you replaced the motherboard but did you replace the charge port. This really sounds like your battery is not charging but you are getting a wrong fuel gauge read. If it would be anything related to the motherboard, a new board should have fixed that. Remplacement du port de charge du Galaxy Tab S 10.5

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Thank you for your advice. I will order that & give it a try. It still doesn't make sense why it charged though. I would think it would be the opposite & not charge . The reading on the tab. did show the correct amount of charge. When i received the new battery it was at 54%, i watched it go down until it died & plugged it in over night & in the morning it said 100 %. But wouldnt turn on or even show that the battery was charged after i unplugged it. I would appreciate an easier explanation if you don't mind. I will still take your advice though, its the only thing that i havn't tried.


Hi im still having trouble. I re- ordered a NEW LEFT SPEAKER W/ POWER BUTTON, NEW CHARGING PORT W/ RIBBON, & NEW BATTERY! Rem. the mother b. Is new also. Still won't turn on or even take a chg. When u 1st plug in, u hear a little noise & vibration like it's getting the elec. But no battery or circle that says it's charging comes up. Everything is brand new, I DON'T GET IT! PLZ HELP! if you would like to talk on phone let me know with your num. or ask for mine. Thanku


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Shari Dixon sera éternellement reconnaissant.
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