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axusuxa
Fanfold Paper
Posts: 8
Registered: ‎04-16-2018
Location: TH
Views: 1,065
Message 41 of 111

Betreff: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

From CPU-Z validator

BIOS v28 http://valid.x86.fr/3pc7pa ram bus 2133

BIOS v38 https://valid.x86.fr/degy2c ram bus changed to 2400

Coofer
Punch Card
Posts: 25
Registered: ‎06-09-2018
Location: DE
Views: 1,062
Message 42 of 111

Betreff: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

Thank you for the Info!

haryadi_aja
Blue Screen Again
Posts: 16
Registered: ‎05-27-2018
Location: ID
Views: 1,028
Message 43 of 111

Betreff: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

anyone having issue with display freezing after upgrading to bios v30? I tried to play video using netflix and media player classic, and it's freezing and restarting after some time.

Coofer
Punch Card
Posts: 25
Registered: ‎06-09-2018
Location: DE
Views: 1,014
Message 44 of 111

Betreff: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

Sounds a reinstall of the newest graphics drivers could solve that problem.

ewolg
What's DOS?
Posts: 1
Registered: ‎07-12-2018
Location: DE
Views: 959
Message 45 of 111

Re: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

Updated to 6KCN30WW without problems. Memory Speed changed from 2133 to 2400 Smiley Very Happy. Now the question is if upgrade to 6KCN38WW is possible now without damaging the device...? (Current Windows 10 Build 17134)

Coofer
Punch Card
Posts: 25
Registered: ‎06-09-2018
Location: DE
Views: 954
Message 46 of 111

Re: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

That is nice! In my opinion, the update from 30 to 38 will not work. Lenovo in this case would build a 40er version, that targets 2x and 3x models. But hey try it and we all will know. Smiley Wink

If you use the normal installer and do not make any ini file changes the installer checks for the right conditions. I do not think you can scratch your system with that try.

angelonm198
Punch Card
Posts: 15
Registered: ‎04-11-2017
Location: US
Views: 863
Message 47 of 111

Re: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

Has this bios update helped anyone?

Lenovo has had my laptop for this issue amongst others since June 20th. No updates and numerous attempts at inquiries have not helped. They cant even tell me where it is only that it is still in repair.... Escalation has not helped. Though they have said someone will contact me by email or phone numerous times no one has...... Subpar laptop with horrible customer service... 

I currently have 1 Lenovo desktop and 2 other laptops in my residence.... 

This will be the last one.

Coofer
Punch Card
Posts: 25
Registered: ‎06-09-2018
Location: DE
Views: 833
Message 48 of 111

Re: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

In my case it helped.

Solved:

-a lot of issues in browsers with video playback

-problems with energy management that freezes the system

Improvement:

-a little bit more performance (ram speed changed to 2400 MHz)

Moriarty_91
Token Ring
Posts: 58
Registered: ‎05-17-2017
Location: DE
Views: 815
Message 49 of 111

Betreff: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

Just tested: Upgrade to 38 still not possible after successful upgrade to 30.

Moriarty_91
Token Ring
Posts: 58
Registered: ‎05-17-2017
Location: DE
Views: 809
Message 50 of 111

Betreff: IdeaPad 720s-13ARR: if the bios won't be updated anymore?

With BIOS 30 I have a new error with AMD Audio CoProcessor: 

https://forums.lenovo.com/t5/Lenovo-IdeaPad-100-305-500-Edge/720S-13ARR-After-BIOS-upgrade-to-30-AMD...

 

Moriarty

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