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37 Posts

08-23-2016

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T470s - BIOS Update Attempted - Power Button just Flashes

2017-10-02, 20:44 PM

Win10 1703.1 Enterprise (Audit Mode on) Used System Update to install all drivers/BIOS-UEFI update was also selected.  Only remaining item was to update the BIOS at the end.  Selected that and upon reboot, nothing happens.  The only sign of life is the power button continuing to flash.  Any ideas?  

Thanks in advance

 

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6995 Posts

10-29-2009

United States of America

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Re: T470s - BIOS Update Attempted - Power Button just Flashes

2017-10-04, 12:37 PM

It seems the system is stuck trying to reboot prior to flashing BIOS.  I think the only way to recover the system is to force it to power off.  There is an emergency reset hole on the bottom of the system.  Use a paperclip to depress it after unplugging from AC power.  Then, attach AC power and turn the system on.  It should boot to Windows where you can attempt the BIOS update again.

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6995 Posts

10-29-2009

United States of America

17834 Signins

166687 Page Views

  • Posts: 6995
  • Registered: ‎10-29-2009
  • Location: United States of America
  • Views: 166687
  • Message 2 of 4

Re: T470s - BIOS Update Attempted - Power Button just Flashes

2017-10-04, 12:37 PM

It seems the system is stuck trying to reboot prior to flashing BIOS.  I think the only way to recover the system is to force it to power off.  There is an emergency reset hole on the bottom of the system.  Use a paperclip to depress it after unplugging from AC power.  Then, attach AC power and turn the system on.  It should boot to Windows where you can attempt the BIOS update again.

0 person found this solution to be helpful.

This helped me too

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37 Posts

08-23-2016

United States of America

43 Signins

264 Page Views

  • Posts: 37
  • Registered: ‎08-23-2016
  • Location: United States of America
  • Views: 264
  • Message 3 of 4

Re: T470s - BIOS Update Attempted - Power Button just Flashes

2017-10-05, 17:56 PM

AWESOME - Knew about the reset on my X1 Tablet but not this model - good to know.  

 

Cheers!  

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1 Posts

05-20-2018

United States of America

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Re: T470s - BIOS Update Attempted - Power Button just Flashes

2018-05-20, 20:54 PM
Forgot all about that stupid hole. These internal batteries are nothing but a nuisance.
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