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noxifide
Fanfold Paper
Posts: 5
Registered: ‎05-02-2019
Location: US
Views: 332
Message 1 of 7

Y740 Bios

Is anyone running AVCN77WW (1.07) bios? Mine originally shipped with it, but downgraded to 1.06 to troubleshoot an issue i was having with the fans.  But 1.06 is very unstable on my system and wanted to revert back to 1.07. Lenovo support only has 1.06 avail for download, support is asking for a screenshot of 1.07 because they dont believe it exists. 

esiemiat
Paper Tape
Posts: 2
Registered: ‎04-27-2019
Location: US
Views: 286
Message 2 of 7

Re: Y740 Bios

My system shipped with 1.07, but I don't have it with me to send you a picture right now. I know it is 1.07 because I checked for updates last night and found it odd that the support site only listed 1.06.

- Eric S.
noxifide
Fanfold Paper
Posts: 5
Registered: ‎05-02-2019
Location: US
Views: 280
Message 3 of 7

Re: Y740 Bios

Thanks! It'd be much appreciated when you can.

esiemiat
Paper Tape
Posts: 2
Registered: ‎04-27-2019
Location: US
Views: 249
Message 4 of 7

Re: Y740 Bios

Sorry for the delay. He is a picture of my BIOS screen showing v1.07.

- Eric S.
noxifide
Fanfold Paper
Posts: 5
Registered: ‎05-02-2019
Location: US
Views: 245
Message 5 of 7

Re: Y740 Bios

Thanks! btw what is your idle cpu frequency on core 1? i also noticed that on 1.06 cpu frequency is running 3.9-4.1ghz even on idle no aps running but windows.

cam24t
Fanfold Paper
Posts: 5
Registered: ‎05-23-2019
Location: US
Views: 136
Message 6 of 7

Re: Y740 Bios

did you figure out your bios issue? I have the y740 and updated the bios to 1.06 and it basically made my wifi adapter useless. Can't install new driver or take off the bad one or anything. My laptop is pretty much useless. Any help would be great.
TheTofu
Paper Tape
Posts: 2
Registered: ‎06-25-2019
Location: US
Views: 20
Message 7 of 7

Re: Y740 Bios

It seems like the current bios is 1.0.8 according to this page:

https://support.lenovo.com/us/en/downloads/ds506181

You could try downloading that and updating it. 

 

I found it just by googling lenovo 740 bios

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