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  • Registered: ‎07-07-2019
  • Location: United States of America
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Lenovo Y740 bricked, after installation of win7, need help of bios recovery

2019-07-07, 20:22 PM

after gotten this computer 30 mins, i install the win7. (don't even know this is a huge mistake!)

after reboot, this machine became a dead brick, with a totally black screen. heartbroken!



through the installation:

1st time, when the win7 files loading finished, an error came out, so i reboot into bios(v1.09), turn off the "Secure boot", and select "uefi first with legacy support";

2st time, files loading finished and reboot automatically, and then the screen never turns on.


Now,  every time i start the y740, the keyboard color lights turn on, the fan works, and the heat from chips can be felt, but capslock key doesn's work, screen never shows anything.


i tried every bios recovery method on the web, such as [win]+[b] combination to get this computer boot in to the "crisis recovery mode", nothing happens.


really need help here! 

million thanks!





21 Posts



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  • Posts: 21
  • Registered: ‎06-19-2019
  • Location: Taiwan,China
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  • Message 2 of 3

Re: Lenovo Y740 bricked, after installation of win7, need help of bios recovery

2019-07-08, 4:59 AM

Did you already try using novo button to go to the bios? press novo button using some pin. it is located on the right side near usb port. just insert the pin to the novo button hole.

if it's not working, maybe you need to reset the bios setting. To reset it, you need to open your pc, unplug the battery cable, locate the cmos battery, unplug the cmos battery and press the power button for 10 seconds. then you can plug everything back and try to open your computer. 

you can follow this video (4:07) to reset your bios setting


1 Posts



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  • Posts: 1
  • Registered: ‎12-15-2019
  • Location: Switzerland
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  • Message 3 of 3

Re: Lenovo Y740 bricked, after installation of win7, need help of bios recovery

2019-12-15, 1:50 AM

Did you had any luck??

I changed my Y740 to the Nvidia gpu and now it doesn't work anymore 



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