Choppy playback in premiere pro

Question

Currently having issues playing anything in premiere.

stuttery playback and audio regardless of format. i.e. have tried with mp4, mxf, prores, proxies, mp3 and wav files all of which playback just under full speed and stutters.

this is from both external hard drives (magnetic disk and SSD) as well as internal hard drives (M2 drive + magnetic drive)

I have updated windows, all adobe apps, Nvidia studio drivers

have tried uninstalling and re-installing prem. have also tried an earlier version.

I've tried disabling my security software (sometimes that can interfere with other programs although I've not heard or ever had issue with it interfering with adobe software)

cleared cache.

playback is fine from After Effects.

other than factory reset the PC (which I ideally don't want to do) I have no idea what to try

Spec

GPU Nvidia 2070

OS Name Microsoft Windows 10 Home
Version 10.0.19044 Build 19044
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name CAD2
System Manufacturer Micro-Star International Co., Ltd.
System Model MS-7B12
System Type x64-based PC
System SKU Default string
Processor Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz, 3600 Mhz, 8 Core(s), 16 Logical Processor(s)
BIOS Version/Date American Megatrends Inc. 1.50, 25/03/2019
SMBIOS Version 2.8
Embedded Controller Version 255.255
BIOS Mode UEFI
BaseBoard Manufacturer Micro-Star International Co., Ltd.
BaseBoard Product MEG Z390 ACE (MS-7B12)
BaseBoard Version 1.0
Platform Role Desktop
Secure Boot State Off
PCR7 Configuration Binding Not Possible
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume3
Locale United Kingdom
Hardware Abstraction Layer Version = "10.0.19041.1806"
Username CAD2\liam
Time Zone GMT Summer Time
Installed Physical Memory (RAM) 64.0 GB
Total Physical Memory 63.9 GB
Available Physical Memory 53.7 GB
Total Virtual Memory 92.9 GB
Available Virtual Memory 79.0 GB
Page File Space 29.0 GB
Page File C:\pagefile.sys
Kernel DMA Protection Off
Virtualisation-based security Not enabled
Device Encryption Support Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, Hardware Security Test Interface failed and the device is not Modern Standby, Un-allowed DMA-capable bus/device(s) detected, TPM is not usable
Hyper-V - VM Monitor Mode Extensions Yes
Hyper-V - Second Level Address Translation Extensions Yes
Hyper-V - Virtualisation Enabled in Firmware Yes
Hyper-V - Data Execution Protection Yes

Michael Grenadier · Answer

Lots of things to try, but it's not always easy to diagnose these issues from a distance. Please answer these questions, and try these suggestions in a systematic fashion...

what are your source properties and sequence settings? pixel dimensions, frame rate, etc.

What are your preview settings in sequence settings? and have you tried rendering?

you might try changing the renderer in project settings to "software."

How many monitors do you have connected? Multiple monitors can cause playback issues.. If you have more than one monitor connected, try disconnecting everything but the primary monitor... Do you have any other programs running at the same time? If so, try quitting them... And you might try creating another user account with. administrator privileges and see if that helps. And do you have any peripherals connected besides mouse, keyboard and media drives? If so, try disconnecting them.

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