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01-12-2019

AT

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Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-01-12, 21:22 PM

Hello, I bought this Lenovo Legion about a month ago. I changed thermal paste, slotted in my old HDD and bought a nvme ssd for it, added another 8GB of crucial RAM and did a fresh Windows install and started using it. Later I also changed the realtek wifi card for an Intel one, problems we're present before too. I didn't notice at first since because I was still at home (currently studying in a different country) and using my PC. Now I've been using the laptop for a week straight and it has Audio issues. The sound keeps crackling and popping and audio and video keep syncing and desyncing. It happens when I watch videos online, offline, when I play games, I hear popping in system sounds etc. It happens with speakers and headphones. 

 

What I have tried:

every driver on the internet ( settled for drivers from this website and some snappy driver updates)

every power setting variation possible

tried disabling acpi in device manager, but my nvidia gpu stops working if I do that

making chrome not run on cores 0 and 1 as they seem to suffer from the most delay

variuos regedit settings

other minor settings I could find on the web

 

The issue is driving me crazy, as I can't even watch 5 minutes of youtube without the audio and video unsyncing

Help would be very much appreciated!

 

The latencymon stats:

 

CONCLUSION
_________________________________________________________________________________________________________
Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One or more DPC routines that belong to a driver running in your system appear to be executing for too long. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
LatencyMon has been analyzing your system for 0:07:00 (h:mm:ss) on all processors.


_________________________________________________________________________________________________________
SYSTEM INFORMATION
_________________________________________________________________________________________________________
Computer name: DESKTOP-EIHG455
OS version: Windows 10 , 10.0, build: 17134 (x64)
Hardware: 81FV, LENOVO, LNVNB161216
CPU: GenuineIntel Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
Logical processors: 12
Processor groups: 1
RAM: 16257 MB total


_________________________________________________________________________________________________________
CPU SPEED
_________________________________________________________________________________________________________
Reported CPU speed: 2208 MHz

Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.


_________________________________________________________________________________________________________
MEASURED INTERRUPT TO USER PROCESS LATENCIES
_________________________________________________________________________________________________________
The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.

Highest measured interrupt to process latency (µs): 9881.038896
Average measured interrupt to process latency (µs): 19.448755

Highest measured interrupt to DPC latency (µs): 9834.662106
Average measured interrupt to DPC latency (µs): 11.907440


_________________________________________________________________________________________________________
REPORTED ISRs
_________________________________________________________________________________________________________
Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

Highest ISR routine execution time (µs): 956.495471
Driver with highest ISR routine execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation

Highest reported total ISR routine time (%): 0.108717
Driver with highest ISR total time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation

Total time spent in ISRs (%) 0.109018

ISR count (execution time <250 µs): 72119
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 3499
ISR count (execution time 1000-1999 µs): 0
ISR count (execution time 2000-3999 µs): 0
ISR count (execution time >=4000 µs): 0


_________________________________________________________________________________________________________
REPORTED DPCs
_________________________________________________________________________________________________________
DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.

Highest DPC routine execution time (µs): 9980.250
Driver with highest DPC routine execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation

Highest reported total DPC routine time (%): 0.058829
Driver with highest DPC total execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation

Total time spent in DPCs (%) 0.207440

DPC count (execution time <250 µs): 893995
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 1483
DPC count (execution time 1000-1999 µs): 73
DPC count (execution time 2000-3999 µs): 78
DPC count (execution time >=4000 µs): 0


_________________________________________________________________________________________________________
REPORTED HARD PAGEFAULTS
_________________________________________________________________________________________________________
Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.

NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.

Process with highest pagefault count: chrome.exe

Total number of hard pagefaults 121
Hard pagefault count of hardest hit process: 43
Number of processes hit: 8


_________________________________________________________________________________________________________
PER CPU DATA
_________________________________________________________________________________________________________
CPU 0 Interrupt cycle time (s): 37.997441
CPU 0 ISR highest execution time (µs): 956.495471
CPU 0 ISR total execution time (s): 5.491271
CPU 0 ISR count: 74990
CPU 0 DPC highest execution time (µs): 9980.250
CPU 0 DPC total execution time (s): 10.079471
CPU 0 DPC count: 870127
_________________________________________________________________________________________________________
CPU 1 Interrupt cycle time (s): 24.751498
CPU 1 ISR highest execution time (µs): 299.031703
CPU 1 ISR total execution time (s): 0.002447
CPU 1 ISR count: 228
CPU 1 DPC highest execution time (µs): 764.512681
CPU 1 DPC total execution time (s): 0.112946
CPU 1 DPC count: 4939
_________________________________________________________________________________________________________
CPU 2 Interrupt cycle time (s): 23.687216
CPU 2 ISR highest execution time (µs): 17.525362
CPU 2 ISR total execution time (s): 0.000753
CPU 2 ISR count: 383
CPU 2 DPC highest execution time (µs): 568.640399
CPU 2 DPC total execution time (s): 0.042319
CPU 2 DPC count: 3024
_________________________________________________________________________________________________________
CPU 3 Interrupt cycle time (s): 23.540527
CPU 3 ISR highest execution time (µs): 5.242754
CPU 3 ISR total execution time (s): 0.000055
CPU 3 ISR count: 17
CPU 3 DPC highest execution time (µs): 588.313406
CPU 3 DPC total execution time (s): 0.017639
CPU 3 DPC count: 1690
_________________________________________________________________________________________________________
CPU 4 Interrupt cycle time (s): 20.216854
CPU 4 ISR highest execution time (µs): 0.0
CPU 4 ISR total execution time (s): 0.0
CPU 4 ISR count: 0
CPU 4 DPC highest execution time (µs): 234.384058
CPU 4 DPC total execution time (s): 0.012870
CPU 4 DPC count: 1098
_________________________________________________________________________________________________________
CPU 5 Interrupt cycle time (s): 19.834646
CPU 5 ISR highest execution time (µs): 0.0
CPU 5 ISR total execution time (s): 0.0
CPU 5 ISR count: 0
CPU 5 DPC highest execution time (µs): 269.130435
CPU 5 DPC total execution time (s): 0.006484
CPU 5 DPC count: 602
_________________________________________________________________________________________________________
CPU 6 Interrupt cycle time (s): 12.684913
CPU 6 ISR highest execution time (µs): 0.0
CPU 6 ISR total execution time (s): 0.0
CPU 6 ISR count: 0
CPU 6 DPC highest execution time (µs): 306.977355
CPU 6 DPC total execution time (s): 0.090644
CPU 6 DPC count: 9606
_________________________________________________________________________________________________________
CPU 7 Interrupt cycle time (s): 38.646332
CPU 7 ISR highest execution time (µs): 0.0
CPU 7 ISR total execution time (s): 0.0
CPU 7 ISR count: 0
CPU 7 DPC highest execution time (µs): 423.727355
CPU 7 DPC total execution time (s): 0.003153
CPU 7 DPC count: 266
_________________________________________________________________________________________________________
CPU 8 Interrupt cycle time (s): 31.540054
CPU 8 ISR highest execution time (µs): 0.0
CPU 8 ISR total execution time (s): 0.0
CPU 8 ISR count: 0
CPU 8 DPC highest execution time (µs): 551.119565
CPU 8 DPC total execution time (s): 0.016413
CPU 8 DPC count: 746
_________________________________________________________________________________________________________
CPU 9 Interrupt cycle time (s): 36.106744
CPU 9 ISR highest execution time (µs): 0.0
CPU 9 ISR total execution time (s): 0.0
CPU 9 ISR count: 0
CPU 9 DPC highest execution time (µs): 229.278080
CPU 9 DPC total execution time (s): 0.004367
CPU 9 DPC count: 361
_________________________________________________________________________________________________________
CPU 10 Interrupt cycle time (s): 22.726166
CPU 10 ISR highest execution time (µs): 0.0
CPU 10 ISR total execution time (s): 0.0
CPU 10 ISR count: 0
CPU 10 DPC highest execution time (µs): 615.964674
CPU 10 DPC total execution time (s): 0.068083
CPU 10 DPC count: 4116
_________________________________________________________________________________________________________
CPU 11 Interrupt cycle time (s): 23.228810
CPU 11 ISR highest execution time (µs): 0.0
CPU 11 ISR total execution time (s): 0.0
CPU 11 ISR count: 0
CPU 11 DPC highest execution time (µs): 51.885870
CPU 11 DPC total execution time (s): 0.000587
CPU 11 DPC count: 87

 

 

 

 

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3 Posts

12-31-2018

PH

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  • Message 2 of 8

Re: Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-01-21, 6:16 AM

I'm having the same issue too. I did all the troubleshooting even a clean install of windows but nothing changed. I had my laptop checked at the service center and they said that it has something to do with the hardware problem of the audio, probably a factory defect. I'm planning to send my laptop for repair. Hopefully this gets fixed.

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2 Posts

01-24-2019

BE

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  • Message 3 of 8

Re: Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-01-24, 12:04 PM

Assuming that you have updated audio drivers, see if the following work:

 

1. Adjust power settings to "High performance" if you have not done so.

2. Then, enter into "Change plan settings" and set all choices to "Never" for plugged-in use.

3. Then, click "Change advanced power settings" and ensure that:

         (a) the HD does not turn off (setting minutes to 0);

         (b) the CPU does not throttle down (setting "minimum processor state" and "maximum processor state" to 100%); and

         (c) the PCI Express operates at full speed (setting "Link state power management" to "Off").

 

If these do not work, and if you have not already done so, disable "ACPI compliant battery" or "ACPI compliance control method battery" in device management. DO NOT DISABLE OTHER ACPI DEVICES OR DRIVERS WHICH MAY CAUSE PROBLEMS LIKE THE ONES THAT YOU DESCRIBE.

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2 Posts

01-24-2019

BE

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  • Message 4 of 8

Re: Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-03-10, 21:58 PM

I unfortunately responded too quickly. I also have been hearing audio clicks and pops in a variety of environments, ranging from the use of various home studio software (Ableton, Reaper, or even the stand-alone guitar modelling software for my audio interface) to simple things like watching YouTube videos. 

 

I tried all the steps mentioned on the internet, like making sure that the bios and the system drivers are up-to-date or going through the various "audio performance optimization" modifications I had mentioned above. I still have quite annoying audio pops/cracks occassionaly. 

 

Going through various sites, I noted that the ACPI.sys issues, identified through LatencyMon or other diagnostic tools, are rampant in other Win10 systems (Dell, HP) as well. Actually, after some googling I realized that similar complaints have occasionally been surfacing at least since 2014. I think that this is related to a Windows 10 glitch or due to the less-than-optimal driver of a commonly used harware. For this reason, I have been posting similar messages on techsupports of other platforms as well. 

 

One issue that I have recently uncovered may shed some light on the glitch. I sometimes experience audio clicks and pops when I repeatedly press the screen brightness controls on the keyboard (Fn + F5 or F6 keys). I have to underline that this does not happen all the time but only when the sounds start of their own (for example, when watching a video or playing guitar through the interface). Then, the clicks/pops seem to respond to the key hits... until they stop altogether. Does this happen to you as well?

 

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2 Posts

05-21-2019

PL

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Re: Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-05-21, 14:04 PM

Hey guys, Same problem here :( 
I have been expericing some minor (but still very annoying) clicks and pops while using my Ableton Live with Native Instruments Komplete Audio 6 interface. Scrolled through many forums searching for a solution but noting has worked for me so far.

LatencyMon gives me the message (the same as one of you pasted above) about ACPI.sys causing problems.

For past few days I've tried LITTERALY EVERYTHING that you guys listed:
- created custom power plan with everything maxed out for performance,
- triend turning off the ACPI compliant battery driver,
- tried to trun off almost all devices in Device Manager like WLAN, Bluetooth etc,
- I went through installing every new driver I could find for my Legion Y530
- I even installed a fresh version of BIOS 

NOTHING WORKED!! 

Tried to turn off cores 0 and 1 for Ableton and this also had no impact on the problem.

I also noticed that my video playback freezes for a split second or skips from time to time. It happens while playing video files directly from my HDD or streaming form Youtube, Netflix and HBO GO.
Are those two things related? Because I also found some info about ACPI.sys screwing with video playback.


PLEASE.
SOMEONE.
HELP.

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19 Posts

03-18-2016

SI

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Re: Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-05-21, 14:15 PM

Hey,

could you please tell is this is happening on internal speakers or when using external audio interface?

If you are using external audio interface, could you tell if you can change audio outputs normally?

Although is not the same problem as mine,  I am asking here because there are probably users with external audio soundcard...

I would suggest updating Intel Graphic drivers or trying other versions of it, although it didnt work for my problem

https://forums.lenovo.com/t5/Gaming-Laptops/Y530-audio-output-switching-problems/m-p/4430917#M27245

 

 

Many thanks!

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2 Posts

05-21-2019

PL

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Re: Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-05-21, 14:58 PM

It happens when using the external interface. But I have a similar problem to yours - when for ex. I'm watching a video on Youtube using internal speakers and I decide to connect the interface to use with bigger speakers sometimes the audio cuts completely  and I have to restart my browser for the sound to go through the external interface. But the strange thing is when I connect the interface I can see the ouputs changing instantly with no problem, but sometimes the sound doesn't go through so I have to restart Chrome. 
Anyway I can live with that.
NOT SO MUCH with the crackles and pops during a live performance on stage...

oh, and I did update all the drivers I could get my hands on - nothing changed

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19 Posts

03-18-2016

SI

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Re: Legion Y530 Audio keeps crackling and unsyncing , ACPI.sys issue

2019-05-25, 8:18 AM
Hey,
I just tested the behaviour you described (function button+brightness setting), and I got the same result, which is audio crackles and glitching.
Also glitches when fn + spacebar, maybe even more audible..
I have external soundcard connected too, and im testing it how would it perform in live scenario..not very happy with the results I must say..
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