.built in battery

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My Acer aspire E15 ES1_512_C3W3 BUILT IN BATTERY WONT TURN ON.

 

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NOTE: If this device is under warranty, contact the manufacturer before doing anything with any of the hardware, including opening it up.

While I understand that you are saying it is a built in battery, please note that all batteries are removable, just some are really not so easy to remove.

Try the following and see if it will turn on.

1. First make sure the device has been charged.
2. Unplug your charger cord.
3. Remove the battery.
4. Press and hold the "Power" button for 30 seconds and see if the device will turn on.
5. If it does, great, if not yet, no big deal. Now plug back in the power/charger cord. (If it didn't turn on without the cord in, it should turn on once you it is in. Yes sometimes they will turn on, or try to turn on, even with nothing attached/plugged in.)
6. Now put the battery back in.

If this doesn't help, then test the power cord to see if it is good. Either try your cord in another device, or try another devices cord in your laptop.

Should that not be the problem, then check the battery to see if it needs replacing.