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z1x2
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Posts: 7
Registered: ‎03-26-2017
Location: US
Views: 2,578
Message 1 of 9

Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo

My Yoga 14 ( Type 20FY) cannot boot anymore.  It was fine in the morning, but refused to boot afternoon after being shipped around on a luggage cart.  Now it only lights up the keyboard after power on, and then does nothing, no Lenovo logo, no beep to signal any error.

 

I had tried the following methods to no avail, draining out onboard battery, pushing the emergency reset hole, disconnecting onboard battery and CMOS battery.  Every time it failed to boot after reconnecting it with AC power.  I also connected it with external monitor over hdmi, but nothing to show up after boot it up.

 

The machine is configured with multi-boot to several Linux flavors and Windows 10, so I am knowledgeable to be quite sure it is not a software problem.  Please help me!

Guru
Posts: 1,877
Registered: ‎02-27-2012
Location: US
Views: 2,502
Message 2 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo

Hi, welcome to the forum.

 

If you can not access the BIOS (To access the BIOS tap rapidly or press and hold F1 immediately upon turning on the power.), I also agree it is a hardware issue.

 

The easy way to go is open a ticket to Lenovo, and they will check the machine. If it is under warranty it will be covered, if not they will tell you the cost on how to fix it. If you know about computers you can grab the "Hardware Maintenance Manual" and change the parts yourself, but it is hard to know which part is the one failing.

 

Regards












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z1x2
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Posts: 7
Registered: ‎03-26-2017
Location: US
Views: 2,495
Message 3 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo

Thank you very much for trying to help me!

I tried F1 thing you mentioned and it didn't help. I think Lenovo logo shows before the start of BIOS. I also took the back cover out and checked DIMM, SSD and all possible connections. Nothing changed.

I had opened a ticket already. Thanks!
DanielM1
What's DOS?
Posts: 2
Registered: ‎03-28-2017
Location: AT
Views: 2,484
Message 4 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo

I have the exact same problem, already replaced the mainboard two times, still the same error.

 

Any solutions so far?

z1x2
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Registered: ‎03-26-2017
Location: US
Views: 2,480
Message 5 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo


@DanielM1 wrote:

I have the exact same problem, already replaced the mainboard two times, still the same error.

 

Any solutions so far?


That is exactly what worries me.  Mine is 3 months beyond warranty and I wonder how much they are going to charge me for replacing a motherboard?  If it costs $150 or more, I may just give up on this machine/brand.

DanielM1
What's DOS?
Posts: 2
Registered: ‎03-28-2017
Location: AT
Views: 2,463
Message 6 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo

I finally fixed it on my end, after everyone told me to change the mainboard, plug off the Battery and all these tips, i just exchanged the memory and now it's working again
z1x2
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Location: US
Views: 2,449
Message 7 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo


@DanielM1 wrote:
I finally fixed it on my end, after everyone told me to change the mainboard, plug off the Battery and all these tips, i just exchanged the memory and now it's working again

Acting on your experience, I pulled my memory out, which is PC3L, and put it into an old laptop that uses PC3 memory.  Most people online said you can do that.

 

But Windows 7 on that laptop failed to start with a blue screen even BIOS recognized the memory.  Put it on Linux memory-test and the testing program crashed.

 

I had ordered a used exactly same model PC3L-12800S-11-13-F3 memory for $41, and will report here once it arrives and is tested out.  Thanks!

z1x2
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Registered: ‎03-26-2017
Location: US
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Message 8 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo

Exactly same model RAM arrived, and nothing changed after I installed it.  I had sent the machine to Lenovo/IBM for repairing, and will report the results.

z1x2
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Registered: ‎03-26-2017
Location: US
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Message 9 of 9

Re: Yoga 14 (Type 20FY) Cannot Boot, No Lenovo Logo

Lenovo/IBM called, my laptop's motherboard needs to be replaced because they cannot tell which part of it went wrong. It will cost me about $540. I bought it for about $600.

It is so absurd that they ask consumers to pay for their obvious motherboard defects. They should recall this model and similar ones.

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