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bu22
Punch Card
Posts: 14
Registered: ‎03-12-2018
Location: DE
Views: 1,362
Message 1 of 3

Ideapad 720S-13IKB: Fan + Bios Update Stuck at 1,5 GHZ

Hi all,

 

I just received the laptop mentioned above... and already stumpled other the very fancy soundy fan... it turns on early and it has a nice high frequency noise... very bad. I am used to the Yoga 720 and there a silent mode which was very helpful as it reduced the need of the fan overall (not heavy usage here).

 

2nd issue: Installed newest bios... and now the CPU is stuck at 1,5 GHZ and below... what the hell? I was wondering how that can be true (red it before in a test), that a bios available for quite some time can have such an issue. Lenovo?

 

I changed power modes, tried own energy plans and so on... stuck at 1,5 GHZ.

 

Best,

Andy

DallefarDon
Paper Tape
Posts: 4
Registered: ‎03-10-2018
Location: DK
Views: 1,357
Message 2 of 3

Re: Ideapad 720S-13IKB: Fan + Bios Update Stuck at 1,5 GHZ

Lots of people are wondering, but seems like Lenovo won't answer this question. Deal breaker for me..

bu22
Punch Card
Posts: 14
Registered: ‎03-12-2018
Location: DE
Views: 1,194
Message 3 of 3

Re: Ideapad 720S-13IKB: Fan + Bios Update Stuck at 1,5 GHZ

Hi all,

 

although I got no response here the issue with the CPU stuck at 1,5/1,49 GHZ is solved with the new BIOS. Thanks for that.

 

Unfortunately no quiet mode and still not able to control the fans with NBFC Smiley Sad -> fan starts at 40° Smiley Sad

 

Best,

Andy

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