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07-06-2019

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Lenovo Yoga 920 13IKB No startup power button On

2019-07-06, 15:06 PM

My Lenovo yoga 920 13IKB is not starting.

The power button turns on but nothing shows on screen.

Local Repair center said device CPU is damaged.  Is he right?

I havent seen cases where CPU gets damaged.

There was touch issues prior to the failure and I upgraded Intel Firmware

However is it possible the system is damaged because of failure in the firmware update or does touch failure was result of CPU failure?

Should I change the whole mainboard?

 

 

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2232 Posts

12-13-2016

US

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Re: Lenovo Yoga 920 13IKB No startup power button On

2019-07-06, 16:31 PM

I imagine if a tech familiar with Lenovo laptops told you it's cooked, then he probably already tried anything we could tell you to do. 

 

If you're not hearing fans, the Caps Lock key doesn't flash or anything, then it's likely not posting, which isn't good. I'd also assume you've tried starting it with the NOVO button, as well. If the power light doesn't stay on, it's likely not posting. 

 

Doc


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2 Posts

07-06-2019

IR

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  • Posts: 2
  • Registered: ‎07-06-2019
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  • Views: 43
  • Message 3 of 3

Re: Lenovo Yoga 920 13IKB No startup power button On

2019-07-15, 19:55 PM

Dear Doc,

Actually neither the fan start nor novo button does work. there is a hich pitch buzzing sound coming from CPU module on the mainboard.

I am wondering if it is possible to change CPU or is there any place to find a spare mainboard?

is there any hope for repair?

 

Thanks

Omid

 

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