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08-20-2019

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Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-20, 13:39 PM

yesterday I was updated my BIOS version to 8MCN52WW and Realtek audio driver to version 6.0.8703.1 from lenovo Vantage. after already installed then reboot, after that i shutdown and power on again, the performance of my Yoga 530 is degrade. so slowly than usuall, i tried to reconfigure bios to default setting then save changes, but the performance still slow..

so i need to try revert back BIOS version and Driver version, but in https://pcsupport.lenovo.com only shown the latest driver. is there anyone have the previos version BIOS/Driver for Yoga 530?. i didn't know the actual previous version, but i've been search the previous version is 8mcn46ww.

anyone here have some issue like me after update BIOS to 8MCN52WW.

thank you in advance

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1 Posts

08-20-2019

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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-20, 14:01 PM
Hi ,
I had the some problem , when i did the update , the performance is very slow.
How can we fix that?

Many thanks,
Tiago Alves
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3 Posts

08-21-2019

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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-21, 12:33 PM
I had your exact same problem after updating to version 8MCN52WW. I reverted it back to 8MCN45WW.
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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-21, 12:45 PM

can you share the installer 8MCN45WW ?.

i have search on the internet but not found yet.

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08-21-2019

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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-21, 12:54 PM
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08-22-2019

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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-22, 13:09 PM

Same problem here too. Moreover, I can't put my device to sleep or hibernate, only shut down! Very frustrating. I will try the zip that you posted to revert.

 

Edit: I get an error message telling me that "this is not a newer version" :( What do I do?

 

Edit 2: I enabled an option in UEFI settings that allows rollback and I installed the previous bios version. BUT my problem with hibernation and sleep is not solved :smileyfrustrated:

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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-22, 14:05 PM

In order to downgrade it, you must enter the BIOS (by rapidly press F2 as soon as you power on your laptop) and you have to change "BIOS Back Flash" value to Enabled. Then save change and exit.
Disable also "Automatic critical update" from Lenovo Vantage.
Hope this helps.

 

 

 

 

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08-22-2019

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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-08-22, 14:10 PM
Yes that is the option I mentioned above. But why enter bios that way, it's frustrating, I prefer through windows ;)
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5 Posts

08-20-2019

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Re: Lenovo Yoga 530 14ARR performance degrade after update bios

2019-11-26, 0:05 AM

after i analyze, this issue appear after update BIOS 8MCN52WW, when charging under 20% the machine running slowly than usual. you can see the status battery charging in system tray when under 20% (Plugged in, not charging), but the charging percentage still increased, after charging status 30% or higher, you can unplugged charger then pluged again, and the status change to (Plugged in, Charging) and the machine running back to normal. i think this issue come after BIOS updated.

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