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nrichard
Paper Tape
Posts: 2
Registered: ‎08-20-2015
Location: France
Views: 2,895
Message 1 of 7

BIOS update on Yoga 500-15IBD

Hello

I want to update the BIOS of my Yoga 500-15IBD and downloaded the latest version from Lenovo support site.
Last BIOS version comes with a txt file where I can read:


Support models     S41-70, U41-70,
                   Flex 3-1570, Yoga 500-15IBD, Yoga 500-15IHW,
                   Flex 3-1470, Yoga 500-14IBD, Yoga 500-14IHW

But when I execute the exe file (bdcn60ww.exe), I get:
bdcn60ww.PNG


I am a bit confused... Is this BIOS really for my Yoga 500-15IBD? Is there any risk if I try to install it anyway?

Thank you

plarkass
Paper Tape
Posts: 3
Registered: ‎09-15-2015
Location: France - Rennes
Views: 2,813
Message 2 of 7

Re: BIOS update on Yoga 500-15IBD

Hi,

 

I do this update because i seen my product in this page (https://download.lenovo.com/consumer/mobiles/bdcn61ww.txt) but it's not a good idea. Now my computer boot is much slower and i don't know the how-to to downgrade.

 

part of  : https://download.lenovo.com/consumer/mobiles/bdcn61ww.txt

 

-----------------------------------------------------------------------------------------------
Updated Date       2015/08/18
Software name      BDCN61WW
Support models     S41-70, U41-70, 
                     Flex 3-1570, Yoga 500-15IBD, Yoga 500-15IHW, 
                     Flex 3-1470, Yoga 500-14IBD, Yoga 500-14IHW
Operating Systems  Microsoft Windows 10 32/64-bit
                       Microsoft Windows 8.1 32/64-bit
                       Microsoft Windows 8 32/64-bit
                       Microsoft Windows 7 32/64-bit
Note:
Refer to marketing materials to find out what computer models support which Operating Systems.
Version            61
   

 

Plarkass

nrichard
Paper Tape
Posts: 2
Registered: ‎08-20-2015
Location: France
Views: 2,788
Message 3 of 7

Re: BIOS update on Yoga 500-15IBD

I also asked my question to Lenovo Support by email, and this is the answer I got (in French then translated):

Notre maison mère nous confirme que dès lors que le produit est noté compatible dans le fichier readme.txt, vous pouvez tenter d'appliquer la mise à jour.

Our parent company confirms that when a product is declared as compatible in the readme.txt file, then you can try to apply the update.

Well, "you can try"... It seems to be I would better not! Smiley Frustrated

nikxmathew
Paper Tape
Posts: 1
Registered: ‎07-23-2015
Location: India
Views: 2,694
Message 4 of 7

Re: BIOS update on Yoga 500-15IBD

Did u solve the problem ?? Coz im having the same situation. Now evryting s slow :/
2peteshakur
What's DOS?
Posts: 2
Registered: ‎12-11-2015
Location: edmonton
Views: 2,455
Message 5 of 7

Re: BIOS update on Yoga 500-15IBD

Hi, well my system was slow and i tried eveything apart from clean install of os so i tried the bios update it say the same thing it does not list all the name of the brand of laptop on the update message screen i guess cos its too long to write in the message box.

 

Anyway things seem to be a bit better, i find more i use the laptop more it gets faster, probably cos of the cache building - if have any issues of slowdown in future, i will do clean insteall of os -  that's my last option as i have already upgraded to max ram capacity.

 

To go back to your old bios when you have less problems, you just need to go back a version number and update it again, good luck! Smiley Happy

virgosun
Token Ring
Posts: 129
Registered: ‎12-16-2015
Location: VN
Views: 1,687
Message 6 of 7

Re: BIOS update on Yoga 500-15IBD

So what is the best bios?

I found lowest version for my CPU 5020u is

https://download.lenovo.com/consumer/mobiles/bdcn31ww.txt

also

Win10 support

https://download.lenovo.com/consumer/mobiles/bdcn60ww.txt

https://download.lenovo.com/consumer/mobiles/bdcn61ww.txt

https://download.lenovo.com/consumer/mobiles/bdcn63ww.txt

And latest

https://download.lenovo.com/consumer/mobiles/bdcn69ww.txt

and

https://download.lenovo.com/consumer/mobiles/bdcn71ww.txt

The last 2 update 69 and 71 contain bugs or intentionally modified ACPI so autorotate sensor not work under linux:

Ubuntu Gnome 16.04

Android x86 6.0-r1 and derivatives

davejyates
Fanfold Paper
Posts: 11
Registered: ‎05-07-2013
Location: Wakefield
Views: 1,605
Message 7 of 7

Re: BIOS update on Yoga 500-15IBD

Me to installed BDCN71WW today with no errors reported and now my laptop is too slow to use, I tried rolling back to 63 but the damage appears to be done as it remains slow.

 

Of course i have contacted Lenovo via the live chat but they have only offered the usual clean temporary files etc which have no impact only to further waste my time.

 

Currently doing a memory check and then rolling back my windows (as instructed by Lenovo) but i fear the machine is ruined by a Lenovo Update

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