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A 15-inch non-touchscreen laptop manufactured by Lenovo in 2018.

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Device isn’t turning on.

So one day, I turned off my laptop before going to school and it was functioning completely fine. Then the next moment when I come home from school, I turn the laptop on and the power on light turns on for a 5 seconds before turning back off. The fan doesn’t even turn, plugged in it not. I tried using the power drain method, restarting the bios with the Novo Button with the paper clip and reseating the RAM but nothing is going great. Any ideas, anyone?

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Hi,

Does it do this with the charger connected?

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Yes even with the battery detached or attached, with the charger plugged in, the same error follows.

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Hi there, Could you fix it ? I've got the same issue, and i can not resolve with any solution in Lenovo's supports web site and this

I unplugged the battery, de external charger, the cmos battery, pluged all back into the motherboard but nothing, when i press the NOVO button or power button i got the power on light for 2 or 3 seconds and then turns off...

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Hi,

I know you said that "I tried using the power drain method....." and that this didn't work but was it the full power refresh method?

By this I mean did you disconnect the cmos battery from the motherboard as well?

If not try the following:

  • Disconnect the charger if connected.
  • Disconnect the main battery from the motherboard.
  • Disconnect the cmos battery from the motherboard. Here's the ifixit Lenovo IdeaPad S340-15IWL CMOS Battery Replacement guide that will help.
  • Press and hold the power button operated for a full 30 seconds and then release it.
  • Reconnect the cmos battery, reconnect the main battery, reassemble the laptop, reconnect the charger and check if it turns on.

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Yes, I have tried this method along with the CMOS battery too. And the results are the same. And when I press the Novo button, similarly to when I press the power button, the light turns on for 5 seconds then turns back off.

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@Antoine Morrison

Was the laptop dropped or did it get wet at all?

Obvious I know but it seems that there's a motherboard problem.

Having the schematics may help to find out what's wrong.

If the motherboard's make and model number is Compal LA-H101P then searching online for it finds plenty of suppliers for it. Unfortunately you have to buy it. I couldn't find a free download.

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Antoine Morrison will be eternally grateful.
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