Home NVIDIA Drivers NVIDIA driver version 456.55 release notes

NVIDIA driver version 456.55 release notes

Game Ready for NVIDIA Reflex Support for 'Call of Duty: Modern Warfare' and 'Call of Duty: Warzone'

Version 456.55 WHQL Highlights

This section provides highlights of version 456.55 WHQL of the NVIDIA Release 455 Driver for Windows 7, Windows 8, Windows 8.1, and Windows 101.

What’s New in Version 456.55 WHQL

Game Ready Drivers provide the best possible gaming experience for all major new releases. Prior to a new title launching, our driver team is working up until the last minute to ensure every performance tweak and bug fix is included for the best gameplay on day-1.

Game Ready for NVIDIA Reflex Support for ‘Call of Duty: Modern Warfare’ and ‘Call of Duty: Warzone’

Our latest GeForce Game Ready driver provides support for NVIDIA Reflex in the blockbuster titles Call of Duty: Modern Warfare and Call of Duty: Warzone, as well as offers the best experience in Star Wars: Squadrons. The new Game Ready Driver also improves stability in certain games on RTX 30 Series GPUs.

Changes and Fixed Issues in Version 456.55

The following sections list the important changes and the most common issues resolved in this version. This list is only a subset of the total number of changes made in this driver version. The NVIDIA bug number is provided for reference.

Fixed Issues in this Release

  • [Omniverse 2020.2.4496]: Corruption occurs after switching from RTX Real-Time to RTX Path-Traced renderer. [200649160]
  • [Vulkan games]: The GeForce Experience> Performance > Render Latency setting sometimes sticks at 0 on Vulkan games. [3129618]
  • Multiple G-SYNC Compatible monitors were removed from the G-SYNC Compatible list in the driver. [3130059]
  • There is a slight increase in the Windows Event Log CPU utilization. [200659659]
  • NVIDIA Container service may crash upon resume from system sleep /hibernate mode. [200658281]
  • [Notebook]: Performance Power Mode cannot be set from the NVIDIA Control Panel. [200657525]

Open Issues in Version 456.55 WHQL

As with every released driver, version 456.55 WHQL of the Release 455 driver has open issues and enhancement requests associated with it. This section includes lists of issues that are either not fixed or not implemented in this version. Some problems listed may not have been thoroughly investigated and, in fact, may not be NVIDIA issues. Others may have workaround solutions.

Windows 7 Issues

  • [Notebook][H-Clone]: With the integrated graphics processor as the clone source, display settings cannot be changed from the NVIDIA Control Panel. [200594188]

Windows 10 Issues

  • [World of Warcraft Shadowlands]: When run at frame rates greater than 60 FPS with high display settings, moving characters display minute twitching/stuttering. [200647563]
  • [Sunset Overdrive]: The game may display random green corruption if Depth of Field is enabled from in-game settings. [2750770]
  • [Call of Duty – Warzone]: Freestyle does not work. (200593020)
  • [Forza Motorsport 7]: The curb may display a black strip during a race on certain tracks. [2781776]
  • [Fortnite]: Blue-screen crash occurs pointing to nvlddmkm.sys when playing the game at 4K resolution. [200645328]–To work around, set the resolution to lower than 4k.
  • [Zombie Army: Dead War 4][Ansel/Freestyle]: The Ansel & Freestyle tabs are unselectable. [2810884]–You may encounter issues installing the NVIDIA Control Panel from the Windows Store. See “Issues Installing the NVIDIA Control Panel from the Windows Store” on page 21 for more information.
  • [YouTube]: Video playback stutters while scrolling down the YouTube page. [3129705]
  • [G-SYNC]: With G-SYNC enabled on some Freesync displays, half of the screen goes black. [3133895]
  • [GeForce RTX 3080/3090]: Samsung G9 49” display goes black at 240 Hz. [3129363]
  • [Notebook][H-Clone]: With the integrated graphics processor as the clone source, display settings cannot be changed from the NVIDIA Control Panel. [200594188]
  • [Notebook]: Some Pascal-based notebooks w/ high refresh rate displays may randomly drop to 60Hz during gameplay. [3009452]

Issues Not Caused by NVIDIA Drivers

This section lists issues that are not due to the NVIDIA driver as well as features that are not meant to be supported by the NVIDIA driver.

Cross-adapter Clone Mode

Under Windows 10, clone mode across graphics processors is handled by the Windows OS, and not by the NVIDIA driver. Consequently, there are no controls for cross-adapter clone mode in the NVIDIA Control Panel under Windows 10.

Functionality of some display controls in the NVIDIA Control Panel may be affected if cross-adapter clone mode is enabled through the Windows Control Panel. In this case, use the Windows Control Panel to adjust display settings.

Optimus Systems

Because cross-adapter clone mode is handled by the Windows 10 OS, there are no display controls in the NVIDIA Control Panel if no display is connected to the NVIDIA GPU on Optimus notebooks.

Windows 7 Considerations

Hotplug Action

Under Windows 7, the default settings are not applied when a new display is hotplugged, and there is no message balloon alert stating that a new display was detected. All display connection and detection events are handled through the Windows 7 Connecting and Configuring Displays (CCD) mechanism.

Operating System Issues

  • [Windows 10 Fall Creators Update][HDTV]: 12 bpc is automatically applied even on HDTVs that support only 8 bpc, resulting in a scrambled display. [2007663]To work around, open the NVIDIA Control Panel->Change Resolution page, select “Use NVIDIA color settings”, then set the Output color depth to 8 bpc.
  • When upgrading from Windows 7 to Windows 8, the system fails to retrieve the installed WHQL display driver. [1024416]
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Charles Leverehttps://www.riverbankwebdesign.ca/
Charles Levere is the editor-in-chief (dork-in-chief) of Urban Dork. When he is not writing, or tinkering with hardware, he is most likely playing one of his favorite video games. He also loves being near the water, kayaking, water skiing or anything that gets him on the water and in the sun.

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