My tablet won't turn on.

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Lenovo Tab S8

Android tablet released in September of 2014. Lenovo Tab S8-50F

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karin @kjp

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投稿日: 2016年3月9日

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My tablet won't turn on.

Yesterday it was working fine. Charged overnight and now....nothing. I tried looking for the hard reset button behind the SD cover, but can't find it. Anyone have a picture of it so I know what i'm looking for?

Otherwise, other suggestions? I tried holding the power button for 20 secs with AC plugged in/AC not plugged it. I tried holding power + VolDown. I tried pretty much all combos of buttons. Nothing.

It's possible the charging port stopped working and the battery is dead, but I don't know how to test that.

Help?

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My Lenovo TAB S8-50LC was working just fine a while ago and it suddenly turned off and I can turn it on again. It just vibrates for just 2-3 seconds and nothing happens. Can anyone has an answer in my problem in my Lenovo TAB S8-50LC. Pretty please.

Leila Marie Aguilar さんによる2018年4月12日

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My Lenovo TAB S8-50LC was working just fine a while ago and it suddenly turned off and I can turn it on again. It just vibrates for just 2-3 seconds and nothing happens. Can anyone has an answer in my problem in my Lenovo TAB S8-50LC. Pretty please. — Leila Marie Aguilar

Kelsea Weber @kelsea 評価: 19.8千 50 19 92 · Answer 1 · 2016-03-09T15:54:31-07:00

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Kelsea Weber @kelsea

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投稿日: 2016年3月9日

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Hi Karin,

You can find the following directions for the hard reset on this troubleshooting page.

"To reset, make sure that the tablet is turned off completely. Then turn on the device by holding both the volume up and power button simultaneously. This will show the recovery menu. Select Wipe data/factory reset (this will delete all data from the device, such as music and photos). Press the volume up button to confirm. Wait for the reset to be finished, then select reboot and press the power button to restart the device.

Warning : A factory hard reset will erase all data such as photos and apps from the device."

I would also try charging the tablet from a different outlet. If that doesn't work, try charging the tablet with a different charger. If the tablet charges, then you know the original charger is the problem . If not, then you could look to the charging port or the battery as the possible culprit. Troubleshooting tablets can be a tedious process of elimination, but you're on the right track! Good luck!

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@kelsea Please expand your profile so we can get to know you better and what you do. You answer questions well, but we need to be able to chide and harass you in case you drop the ball ;-)

mayer さんによる2016年3月9日

@mayer You got it ! Profile expansion is underway.

Kelsea Weber さんによる2016年3月9日

@kelsea Thank you for you reply. As I mentioned, I did try the power button + Vol UP (as well as all other combos). Nothing is happening with any button combo. So a reset is not possible.

I know there's a paperclip hole somewhere, but I can't find it.

I will try another charger, though I've tried 2 already. Maybe it's the charging port that went on the fritz? How do I check that??

karin さんによる2016年3月9日

@kelsea Nope, charging it with a different charger doesn't work. Do I need to replace the charging port to see if that's the issue? Any good links for how to DIY? Any other diagnostics I can try?

I'm really good at Googling, and have found a couple tutorials for replacing the port, but I'm not sure which are the best.

And I haven't found anything that tells me how to diagnose it further while it's still a brick. Thus asking the questions here. Thanks!

karin さんによる2016年3月10日

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tone done @tonedone 評価: 13 1 · Answer 2 · 2019-05-14T12:34:17-07:00

tone done @tonedone

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投稿日: 2019年5月14日

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No real solution… I just got a hold of a used table with the same problem. All I can think of is try what Pawel said..disconnect the battery and reconnect it. Also replace the battery with a new one that has a charge in it. But To take apart the tablet you will need special phone repair “prying tools” (from ebay) so you don’t damage the tablet casing & screen while taking the back casing off.

Another possible problem is the small charging board inside may be damaged or shorted out so it may not be reliably charging battery…it may need replacing (maybe a $10-15 part). Buying the part and changing battery may cost around $30-45 total just to try all of this…and theres a chance that we may still have a dead tablet.

So if the tablet is worth it, then try it. If not, then move on to a new phone or tablet.

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Matthew Gallas @matthewgallas 評価: 1 · Answer 3 · 2016-11-06T12:29:40-07:00

Did you ever figure out a solution? I'm having the same issue with my Lenovo S8-50 tablet - won't charge, won't turn on. I'm not sure if you've tried this yet, but I actually tried plugging the tablet into my laptop's USB port and windows told me there was a power surge on the USB port. At that point, my wireless USB mouse stopped working at well, which makes me think Windows just disables all USB devices when something like that happens. I think it also might be an indicator that the USB port on the tablet is shorted out so it's trying to draw too much current. Anyhow, I think the solution might be to replace the tablet's USB port.

Pawel Nowak @pawelnowak 評価: 1 · Answer 4 · 2018-09-25T05:34:58-07:00

Pawel Nowak @pawelnowak

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投稿日: 2018年9月25日

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hi, I know it’s old, but I thought I will write it for future reference. Had It once on my s9-50f. I opened it and disconnected battery for minute, plugged it back in and tablet started to work normally.

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