ASUS TUF Gaming A16 AMD Ryzen 9 7845HX Screen Flickering Fix Windows 11

The display on your ASUS TUF Gaming A16 AMD Ryzen 9 7845HX flickers intermittently – black flashes appear during gaming or on the desktop, or the screen brightness fluctuates without user input. AMD Radeon driver updates and display refresh rate configuration resolve screen flickering on the TUF Gaming A16 AMD.

This guide covers AMD driver updates, NVIDIA Optimus display mode settings, and refresh rate configuration to fix screen flickering on the ASUS TUF Gaming A16 AMD Ryzen 9 7845HX in Windows 11.

“TUF Gaming A16 screen flickered randomly during gaming and Windows desktop. AMD Radeon driver update from Armoury Crate fixed the flickering. Also disabled FreeSync for gaming and set fixed 165Hz. No flickering since.” – Zubaidah, game developer from Johor Bahru

Why Screen Flickers on ASUS TUF Gaming A16 AMD Ryzen 9 7845HX

Screen flickering on the TUF Gaming A16 AMD most commonly results from AMD FreeSync or variable refresh rate (VRR) interacting with certain games or applications that output frame rates at the edge of the VRR range. AMD Radeon drivers have also had specific driver versions with flickering bugs on dual-GPU Optimus configurations where the frame is passed from NVIDIA dGPU through AMD iGPU to the display. The transition between GPU modes or power states during gaming can also cause brief flickering as the display timing resets.

• AMD Radeon driver version with known flickering bug in Optimus display path
• FreeSync or G-Sync variable refresh rate causing display sync loss at out-of-range frame rates
• Armoury Crate GPU mode switching mid-session causing display timing reset
• Display cable or panel driver issue causing intermittent signal loss at 165Hz or 240Hz

Fix 1 – Update AMD and NVIDIA Drivers via Armoury Crate

Open ASUS Armoury Crate and check System Update for AMD Radeon and NVIDIA GPU driver updates. Install both AMD Radeon driver (for iGPU display path) and NVIDIA GPU driver (for rendering). Restart. Updated AMD Radeon drivers include specific fixes for display flicker in hybrid AMD-NVIDIA Optimus configurations. The Radeon 680M iGPU in the Ryzen 9 7845HX processes the display output from the NVIDIA dGPU in Optimus mode, and AMD driver updates are required to address flickering in this dual-GPU display path.

Fix 2 – Disable FreeSync or Set Fixed Refresh Rate

Open AMD Radeon Software. Go to Display tab. Disable FreeSync Premium. Also go to Settings – System – Display – Advanced display – Choose a refresh rate. Set to 165Hz (or maximum panel refresh rate) as fixed rate rather than variable. NVIDIA Control Panel – Manage 3D Settings – Monitor Technology – set to Fixed Refresh instead of G-Sync or G-Sync Compatible. Disabling VRR/FreeSync eliminates the refresh rate variability that some display panels interpret as a sync signal error, causing the brief black flash during frame transitions.

Switch to Discrete GPU Mode

Open Armoury Crate – GPU mode and switch to Discrete GPU (Ultimate or GPU Only). This enables MUX switch, routing display directly from the NVIDIA dGPU without passing through the AMD Radeon iGPU. Eliminating the AMD iGPU from the display path removes the most common source of flickering in the hybrid Optimus configuration. Requires restart. After switching to Discrete GPU mode and restarting, test gaming for 30 minutes to determine if flickering has stopped before testing other fixes.

Fix 3 – Check Panel Self-Refresh Setting

In AMD Radeon Software – Display – Enable or disable Panel Self-Refresh (PSR). PSR can cause flickering on some TUF Gaming A16 display panels when the panel refreshes from local memory during static content then switches to active GPU output during motion. Disabling PSR prevents this display mode transition which manifests as brief flickering when transitioning from static desktop to active game rendering. PSR is an energy-saving feature that is safe to disable for desktop and gaming use without affecting display performance.

Fix 4 – Run Display Driver Uninstaller and Clean Install

If driver updates do not stop flickering, boot to Safe Mode and run DDU to clean remove both AMD and NVIDIA drivers simultaneously (select Both AMD and NVIDIA in DDU). Restart normally. Install AMD Radeon driver first from Armoury Crate, restart, then install NVIDIA GPU driver. Installing in this order ensures the AMD display driver initializes the display path first before the NVIDIA rendering GPU driver registers itself in the Optimus hybrid display stack, reducing the risk of driver installation order conflicts causing persistent flickering.

Frequently Asked Questions

Why is the screen flickering on ASUS TUF Gaming A16 AMD Ryzen 9 7845HX?

AMD Radeon driver bug in Optimus display path or FreeSync VRR range transition. Update AMD driver via Armoury Crate and disable FreeSync or switch to Discrete GPU mode.

How do I fix screen flickering on ASUS TUF Gaming A16?

Update AMD and NVIDIA drivers, disable FreeSync, set fixed refresh rate, switch to Discrete GPU mode in Armoury Crate, disable Panel Self-Refresh.

Does ASUS TUF Gaming A16 AMD have G-Sync or FreeSync?

AMD FreeSync Premium via AMD iGPU display path in Hybrid mode. FreeSync availability in Discrete GPU mode depends on GPU mode and connection type.

What refresh rate does ASUS TUF Gaming A16 AMD support?

165Hz or 240Hz panel depending on configuration. Set maximum refresh in Settings – Display – Advanced display for optimal gaming performance.

Conclusion

ASUS TUF Gaming A16 AMD Ryzen 9 7845HX screen flickering in Windows 11 is resolved by updating AMD Radeon and NVIDIA GPU drivers via Armoury Crate and disabling FreeSync with a fixed refresh rate to eliminate variable refresh rate sync issues. Switching to Discrete GPU mode in Armoury Crate removes the AMD iGPU display path that is the most common Optimus flickering source. DDU clean install in Safe Mode with AMD-first driver reinstallation resolves persistent flickering from driver stack initialization order conflicts.