How to Fix Marvel Rivals Lag Spikes on PC: Complete Troubleshooting Guide

Quick Answer

Marvel Rivals lag spikes on PC are most commonly caused by network instability, background processes consuming CPU or RAM, outdated drivers, or in-game settings that exceed your hardware''s stable throughput. Working through a structured troubleshooting checklist resolves the majority of cases within a few steps.

Marvel Rivals is a fast-paced hero shooter where lag spikes can cost you teamfights and ultimately matches. SA players have the added challenge of routing to international servers, which makes local network stability even more critical. Whether your spikes are network-side or hardware-side, this guide walks you through the most effective fixes.

Check Your Network Connection First

Before adjusting any in-game settings, rule out your internet connection as the culprit. Wired ethernet connections are significantly more stable than Wi-Fi for online gaming - if you''re on wireless, try a direct cable connection to your router and test whether spikes reduce. SA gamers should also check their ISP''s current status, as load-shedding recovery periods can affect ADSL and fibre routing stability.

Close background applications that consume bandwidth: cloud sync tools, streaming services, large downloads, and automatic system updates. Windows Update in particular can silently consume significant bandwidth mid-session. Set your internet connection type to ''Metered Connection'' in Windows Settings to prevent background downloads during gaming hours.

If your ping to Marvel Rivals servers is consistently high rather than spiking, consider whether your router''s Quality of Service (QoS) settings can prioritise gaming traffic. Restarting your router and modem before a gaming session clears temporary routing table issues that accumulate over days of uptime.

Optimise In-Game and Driver Settings

Outdated GPU drivers are a frequent source of performance instability in live-service games that receive regular patches. Ensure your graphics drivers are current - GPU manufacturers release game-ready driver updates that address known performance issues in popular titles.

In Marvel Rivals'' graphics settings, start by capping your frame rate to a value your system can sustain consistently rather than allowing uncapped frames. Uncapped frame rates create variable GPU load which can cause frame-time spikes even when average FPS looks acceptable. Enable V-Sync or use NVIDIA Reflex/AMD Anti-Lag if available, which reduces input lag and smooths frame delivery.

Reduce settings that stress the CPU heavily: shadow quality, crowd density, and simulation effects are common culprits. Lowering these while keeping resolution and texture quality higher is often the right trade-off for consistent performance.

Manage Background Processes and Windows Settings

Open Task Manager during a gaming session (Ctrl + Shift + Esc) and check which processes are consuming CPU and RAM alongside Marvel Rivals. Antivirus scans scheduled during peak hours, Windows telemetry tasks, and auto-updating software are frequent offenders. Reschedule heavy background tasks to off-peak times.

Set Marvel Rivals'' process priority to ''High'' in Task Manager to ensure it receives CPU scheduling priority over background tasks. Navigate to the Details tab, right-click the game executable, and select ''Set priority > High''. Avoid setting to ''Realtime'' as this can destabilise Windows itself.

Ensure your power plan is set to ''High Performance'' or ''Ultimate Performance'' in Windows power settings. Balanced power plans throttle CPU frequency in response to load changes, which can introduce micro-stutters in fast-paced scenarios.

Frequently Asked Questions

Q: Why do I get lag spikes only in Marvel Rivals and not other games? A: Marvel Rivals is a live-service game with ongoing server-side updates and events. Spikes isolated to this title can indicate server-side congestion, a recent patch with unresolved performance issues, or specific game settings interacting poorly with your hardware configuration.

Q: Does loadshedding affect Marvel Rivals performance in South Africa? A: Yes - power fluctuations during loadshedding and the instability immediately after power returns can affect fibre ONTs, routers, and ISP infrastructure. A UPS for your router and PC is worthwhile for SA gamers who play during or around loadshedding schedules.

Q: Will upgrading my RAM help with lag spikes in Marvel Rivals? A: If your system has 8GB or less, upgrading to 16GB or 32GB can meaningfully reduce lag spikes caused by memory pressure. Modern hero shooters hold large asset caches in RAM, and insufficient memory forces constant data swapping that creates stutters.