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2 Posts

03-30-2016

US

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  • Registered: ‎03-30-2016
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Lenovo y700 ACPI Driver, not installing

2016-03-30, 21:46 PM

I download the :
Advanced Configuration and Power Management Interface (ACPI) Driver, from the Lenovo website:

The link for the driver ( for Lenovo y700-15ISK) :

 

 Click here

I download, give permission to run, then nothing happens; no installation wizard, nothing. This is the only driver I haven't been able to update, and it is the one that is causing me serious problems with audio latency, as Latencymon v 6.50 tells me. I get crackling sound from speakers, but when I disable the ACPI driver, the crackling goes away.

The problem is that if I disable the ACPI driver, I am no longer able to see my battery status. So it is important that I update this driver. However, I don't know how it is possible that the driver provided by Lenovo does absolutely nothing at all.

 

Mod Edit: Corrected the text format so message displayed correctly

 

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15 Posts

04-11-2016

IL

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  • Registered: ‎04-11-2016
  • Location: IL
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Re: Lenovo y700 ACPI Driver, not installing

2016-04-11, 7:41 AM

The fix for this is to go to safe mode (on windows 10) :

 

Settings-> Update & Security-> Recovery : press restart now -> After your PC restarts to the Choose an option screen, select Troubleshoot > Advanced options >Startup Settings > Restart-> After your PC restarts, you'll see a list of options. Select 4 or F4 to start your PC in Safe Mode.

 

then in safe mode go to device manager ->System devices 

 

right click on Lenovo ACPI-Compliant Virtual Power Controller  -> Uninstall 

 

Double click on the ACPI Driver you downloaded. this should fix the problem.

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