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Paper Tape
Posts: 1
Registered: ‎03-30-2016
Location: US
Views: 5,675
Message 1 of 2

Lenovo y700 ACPI Driver, not installing

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


Punch Card
Posts: 13
Registered: ‎04-11-2016
Location: IL
Views: 5,546
Message 2 of 2

Re: Lenovo y700 ACPI Driver, not installing

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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