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JamRR
Paper Tape
Posts: 4
Registered: ‎05-03-2019
Location: GB
Views: 181
Message 1 of 8

Lenovo Y700 Only Boots When Plugged In (Battery Fine)

So this problem started following a full system reset using the windows recovery utility. Now, the laptop will only boot when the AC adapter is plugged in. If the adapter is then removed, it works fine on the battery, however if booted without the charger plugged in, the power button LED will light but the fan or display do nothing. The button then needs to be held down for 10 seconds to switch the LED off. I have already purchased and installed a new battery, and the same happens with the original or replacement. 

 

I have tried re-running the recovery reset a few times, playing with BIOS settings and uninstalling/ reinstalling the battery in device manager but to no avail.

 

Any suggestions on what to try next?

 

Thanks for any suggestions!

 

 

Social Support Agent
Social Support Agent
Posts: 175
Registered: ‎08-02-2018
Location: PH
Views: 128
Message 2 of 8

Re: Lenovo Y700 Only Boots When Plugged In (Battery Fine)

Hi JamRR,

 

When you start up your laptop the battery needs to supply sufficient power to the hardware components to boot normally. The same goes when the charger is plugged in. However, based on your description, it indicates that the battery is not supplying enough power. It sounds like not the battery, but other hardware components or sensors on the laptop. We can update the BIOS first, and see if that addresses this issue. To update the BIOS, please enter the serial number here https://support.lenovo.com/gb/en/, then go to the Drivers & Software tab, select the correct Operating System and Component. After installing the BIOS firmware, reboot your laptop and observe. If the issue persists, we recommend contacting our phone support to get it repaired. As this issue, needs a physical diagnosis of the technician. You can reach them at +44 333-777-3991 (National Rate), option #2 9:00-18:00 Monday-Friday.

 

Let us know if you need more help.

 



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JamRR
Paper Tape
Posts: 4
Registered: ‎05-03-2019
Location: GB
Views: 104
Message 3 of 8

Re: Lenovo Y700 Only Boots When Plugged In (Battery Fine)

Hello there,

 

Thank you for the reply. I tried the above, and the problem still persists.

 

Kind regards,

 

JamRR

Retired Support Specialist
Posts: 402
Registered: ‎08-02-2018
Location: US
Views: 97
Message 4 of 8

Re: Lenovo Y700 Only Boots When Plugged In (Battery Fine)

Please access BIOS and set the Boot Mode to Legacy then save it. Switch it back to UEFI mode then save. Load default settings by pressing Fn + F9 or F9 only then save and exit by pressing Fn + F10 or F10 only. Wait for it to boot up, shut it down again and turn it on without charger plugged in. Update us how it goes. 

 

Regards,

 

 



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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

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JamRR
Paper Tape
Posts: 4
Registered: ‎05-03-2019
Location: GB
Views: 94
Message 5 of 8

Re: Lenovo Y700 Only Boots When Plugged In (Battery Fine)

Thanks for the quick response. I tried the above, and fault still occurring.

 

Many thanks 

Retired Support Specialist
Posts: 402
Registered: ‎08-02-2018
Location: US
Views: 91
Message 6 of 8

Re: Lenovo Y700 Only Boots When Plugged In (Battery Fine)

Please access BIOS again and send us a screenshot of Boot tab. 

 

Regards,

 

 



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JamRR
Paper Tape
Posts: 4
Registered: ‎05-03-2019
Location: GB
Views: 87
Message 7 of 8

Re: Lenovo Y700 Only Boots When Plugged In (Battery Fine)

Photo attached, thanks!

Social Support Agent
Social Support Agent
Posts: 175
Registered: ‎08-02-2018
Location: PH
Views: 76
Message 8 of 8

Re: Lenovo Y700 Only Boots When Plugged In (Battery Fine)

Thank you for sharing the BIOS Boot Tab screen. At this point we recommend calling our phone support for further assistance in getting your laptop repaired. Let us know if you need more help.

 



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