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Quiksilver07070
Quiksilver07070, Computer Support Specialist
Category: Computer
Satisfied Customers: 793
Experience:  Consultant within every computer and networking category. Troubleshoot and maintain various operating systems. Sales Engineering.
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I have a Lenovo yoga 2.11 and I can not get it to turn on.

Customer Question

I have a Lenovo yoga 2.11 and I can not get it to turn on. No lights no nothing. It was working fine then just stopped.
Submitted: 1 year ago.
Category: Computer
Expert:  Quiksilver07070 replied 1 year ago.

Hello and thank you for choosing JustAnswer.com

This might sound simple, but, I think maybe you have a dead battery.

Plug in the power, make sure the electrical outlet is working, and leave it plugged in for atleast 30 minutes.

Then try again.

Expert:  Quiksilver07070 replied 1 year ago.

Is there any lights on the AC adaptor, that indicate that the power adaptor is plugged in?

Does the yoga normally have lights on and lit, when the AC adaptor is plugged in and charging? WHat color?

Customer: replied 1 year ago.
The a/c power is plugged in and there are no lights indicating that the battery is charging and it still won't turn on with the a/c power plugged in.
Expert:  Quiksilver07070 replied 1 year ago.

okay, are there NORMALLY lights on when it is charging? If so, WHAT color?

Expert:  Quiksilver07070 replied 1 year ago.

Okay, now I would say that my initial diagnosis is that your AC adaptor has failed.

And, the battery on the Yoga is completely dead.

If you would like to test this theory, you would need a multimeter, and know how to use one.

Are you capable of doing this?

Customer: replied 1 year ago.
I have a multimeter, let me check if I'm getting anything from the adapter.
Expert:  Quiksilver07070 replied 1 year ago.

okay, here is the pin outs on the picture.

Expert:  Quiksilver07070 replied 1 year ago.

wont let me attach........may I email you the pin outs instead?

Expert:  Quiksilver07070 replied 1 year ago.

or, you should be getting +20volts on the INSIDE contact

Expert:  Quiksilver07070 replied 1 year ago.

So + is the inside, and - is the outside.

Expert:  Quiksilver07070 replied 1 year ago.

I can send you a picture of it, to show you, need your email.

Customer: replied 1 year ago.
I tested. Getting plenty of voltage out of the adapter. So, I don't think that is it.
Expert:  Quiksilver07070 replied 1 year ago.

Well heres what the repair manual states:

1. Unplug the AC adapter cable from the computer.

2. Measure the output voltage at the plug of the AC adapter cable. See the following figure: Pin 2 +20VDC
Note: Output voltage for the AC adapter pin No. 2 may differ from the one you are servicing.

3. If the voltage is not correct, replace the AC adapter.

4. If the voltage is acceptable, do the following:

• Replace the system board.

Expert:  Quiksilver07070 replied 1 year ago.

Meaning your Motherboard, and or supplemental power supply board, needs to be replaced.

They do NOT lend to ANY tests that can check the system board, because there is no power.

Expert:  Quiksilver07070 replied 1 year ago.

Now, you might try a NEW AC adaptor anyways. Sometimes you get proper voltage....but as soon as a Amperage load is placed it fails.

Best buy has a great return policy, and AC adaptors should be in stock, and easily returnable.

Ultimately these are the only options for a completely dead machine.

Expert:  Quiksilver07070 replied 1 year ago.

If your machine is still under warranty (and Yoga's are fairly new, I would think you are still under warranty) you should get the system board replaced for free.

But you will need to run through their troubleshooting steps to make a warranty claim. But its easy, I just did it with you.

Customer: replied 1 year ago.
Got it. Thanks!
Expert:  Quiksilver07070 replied 1 year ago.

You are very welcome. Please take a moment and offer to rate my performance.

Expert:  Quiksilver07070 replied 1 year ago.

I wanted to follow-up with you.

Were you able to get and try a NEW A/C adaptor, and if so, did it fix the problem?

If not, i FEAR you might have a failing system board, and would need to have the laptop serviced, and possibly have parts replaced.