Understanding Graphics and Peripheral Disconnects During Multimedia and Gaming Tasks: A Technical Investigation
Introduction
Encountering hardware anomalies during intensive gaming or professional multimedia editing can be perplexing for users and system builders alike. One such scenario involves peripherals—such as monitors, keyboards, mice, and headsets—unexpectedly powering down or disconnecting while the main computer remains operational. This detailed analysis explores a specific case involving such an occurrence, examining potential causes, troubleshooting steps, and insights into resolving similar issues.
Case Overview
The user reports an unusual problem where peripherals disconnect intermittently during particular activities, specifically:
- Playing the game Marvel Rivals, with disconnects synchronized to the appearance of certain animations (notably, the introduction of skins like Cloak & Dagger).
- Using Adobe Premiere Pro, particularly during video import operations.
Key observations include:
- The disconnections do not happen with older skins or in all scenarios.
- The problem manifests selectively with specific animations or tasks.
- When the disconnect occurs, the computer remains powered on; only peripherals turn off.
- In some cases, the issue occurs even when in the lobby (a less graphically intense environment).
- Testing RAM modules individually allows Marvel Rivals to run normally, but the problem persists during workflows involving multiple RAM sticks, suggesting a potential memory or system resource factor.
- Stress tests on CPU and GPU produce normal results; temperatures are within safe operating ranges.
- Interestingly, switching the graphics output from the dedicated GPU to the integrated graphics (on the Ryzen 5 5600G) eliminates the issue entirely.
System Specifications Summary
- CPU: AMD Ryzen 5 5600G (integrated graphics tested)
- Dedicated GPU: Intel Arc A750 (Limited Edition)
- Memory: 16GB Corsair Vengeance DDR4 (8GB x 2)
- Motherboard: Gigabyte B550M K
- Power Supply: Corsair 650W Gold Certified
- Operating System: Windows 11 (latest updates)
Analysis and Troubleshooting
- Potential Power Delivery or Hardware Compatibility Issues:
The peripherals disconnect during graphic-intensive animations or tasks could signal transient power fluctuations or insufficient power delivery to peripherals through their ports. However, as the PSU is rated at 650W and confirmed to be functioning correctly during stress testing, this seems less likely.
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Graphics Driver and Hardware Interaction:
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The problem persists when using the dedicated Intel Arc GPU but vanishes when switching to integrated
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