[LCD Monitor]NVIDIA ULMB 2 update for PG27AQN
1.What can NVIDIA G-SYNC ULMB Ultra Low Motion Blur 2 (ULMB 2) do?
With over 1000 Hz of effective motion clarity, ULMB 2 provides enhanced motion blur reduction for competitive gamers offering full refresh rate backlight strobing, nearly 2x higher brightness compared to the original ULMB, and practically zero crosstalk.
2.If I have the PG27AQN, how can I check if it has ULMB 2 or do I need a F/W update?
For future PG27AQN monitors that manufactured after July. 2023, the ULMB 2 will be included in, no need extra software installation. Or simply check your OSD to see if ULMB 2 can be selected. (F/W LINK)
3.How to do ULMB 2 F/W update?
The installation of ROG Swift 360Hz PG27AQN monitor software involves transferring a series of images on Display port, which may appear as noise to the human eye. The entire process typically takes 5-10 minutes, depending on the size of the software release. To ensure a flawless transfer, users must take note of the following guidelines:
1. Ensure that only one monitor is connected to the computer via NVIDIA graphics card.
2. The monitor must remain powered on and connected throughout the entire software upgrade process.
3. Make sure that the latest NVIDIA driver compatible with the GPU is installed.
4. Within the Windows control panel, adjust power options to "turn off" and "put computer to sleep" to "never."
5. Disable any HDR settings, blue light filtering, dimming, or color-adjusting applications (such as Windows night light).
6. In the event of an interruption, the update can be restarted or resumed by rerunning the application. If an error occurs (which is rare), the monitor can be power-cycled by unplugging and then plugging it back in. Please refer to the steps below for more detailed instructions.
Step 1: To begin the firmware update process, it is necessary to launch the GSYNC_Monitor_Firmware_Updater.exe application in administrator mode. 
This can be accomplished by right-clicking on the GSYNC_Monitor_Firmware_Updater.exe file within Windows Explorer and selecting the option "Run as administrator.
" After doing so, an information screen (as depicted in the figure below) will appear. Click on the "Proceed" button to continue.
Figure 1: Information screen
Assuming that all settings have been correctly configured, the application will direct the user to the "check for update" screen (as illustrated in Step 2). However, if the software detects an incorrect monitor connection, it will generate an error message. In this case, the user is advised to go back and verify that the connections have been established in accordance with the previously mentioned instructions.
Figure 2 Error screen 1
Step 2: On the "check for update" screen, the software will identify the monitor and await user action. The user is required to click on the "check for update" button. If the monitor is already operating on the latest version, the user will not be able to proceed further. In this instance, the user must abort the application as the monitor is already up to date with the latest release.
Figure 3 Check for update.
Step 3: In the event that a software update is available, the new version will be presented to the user, and they will be given the option to update the monitor. To initiate the update process, the user is required to click on the "Flash" button.
Figure 4: Flash
Step 4: Prior to commencing the update, the installation software will display a final warning screen. The user is required to click on the "continue" button. Once this step is completed, it is imperative not to interrupt the update process. The upgrade will proceed automatically. If any failure occurs, whether due to power failure or otherwise, the user must power cycle the monitor by unplugging the power cord and then plugging it back in.
Figure 5: Warning
Step 5: How to check if the update works? How to enable ULMB 2?
The update complete notice would appear after the update is successful.
A power setting notice would pop up, tick YES.
Enabling ULMB 2 on capable 1440p 360Hz monitors updated with the new firmware is easy:
1) Disable NVIDIA G-SYNC Variable Refresh Rate in the NVIDIA Control Panel and set the monitor refresh rate to 360Hz. This will allow the backlight to enter backlight strobing mode
<Disable G-SYNC in the NVIDIA Control Panel>
2) Enable G-SYNC ULMB 2 in your monitor’s on screen display
Once you have done these two steps, you’re ready to go!
For more updates on ULMB 2, and news about the release of additional ULMB 2-capable monitors, stay tuned to GeForce.com