The Gamer’s Guide to Restoring High FPS on Your Lenovo Legion 5


I own a Lenovo Legion 5 (3070, R5) which I recently had to charge with a different computer charger due to forgetting my own. The laptop indicated that it was charging slowly, yet it functioned properly. Upon returning home and using the original charger, no slow charging message was displayed, suggesting normal charging resumed. However, I’ve noticed a significant drop in gaming performance; the frame rate has plummeted from over 50 fps to approximately 15-22 fps, giving the impression that the laptop is conserving power despite being plugged in. The settings confirm that performance mode is active, ruling out any battery-saving measures. Could you provide any insights or solutions to restore my laptop’s gaming performance? Thank you in advance for your assistance.”


If you’re experiencing a sudden drop in frame rate on your Lenovo Legion 5 after using an alternative charger, it’s understandable to be concerned about the impact on your gaming experience. The good news is that there are several steps you can take to troubleshoot and potentially resolve this issue.

Firstly, it’s important to note that using a charger other than the one provided by the manufacturer can sometimes lead to unexpected behavior, even if the laptop appears to charge correctly. This is because different chargers may have varying power outputs, which can affect the laptop’s performance, especially when it comes to power-intensive tasks like gaming.

Here are some steps to help you restore your laptop’s gaming performance:

: Go to your power settings and restore them to their default configurations. Sometimes, changing chargers can cause a glitch in the power plan settings.


Check for Overheating

: Ensure that your laptop is not overheating. Excessive heat can throttle performance to prevent damage to the components.


Update Drivers

: Make sure that your graphics drivers are up to date. Outdated drivers can cause performance issues.


Battery Health Check

: Look into the battery health status of your laptop. A deteriorating battery can affect performance even when plugged in.


BIOS Reset

: Consider resetting your BIOS settings to default. An incorrect setting in BIOS could lead to performance issues.


Hardware Diagnostics

: Run a hardware diagnostic to check for any potential issues with your laptop’s hardware that could be affecting performance.


Power Supply Check

: Verify that your laptop’s power supply is functioning correctly and delivering the necessary power for high-performance tasks.


Silent Mode Switch

: Some users have reported that switching their laptop to silent mode and then back to performance mode has resolved similar issues.


Professional Assistance

: If none of the above steps work, it may be best to seek professional help. There could be a deeper issue at play that requires expert attention.

Remember, while these steps can often resolve the issue, there’s always a possibility that using a non-standard charger could have caused some damage to the laptop’s internal components, particularly the power delivery system. If you suspect this is the case, professional servicing is recommended.

In conclusion, experiencing a drop in gaming performance after using a different charger can be frustrating, but by following the above steps, you can diagnose and often fix the problem. Always use the charger provided by the manufacturer to avoid such issues in the future. If problems persist, don’t hesitate to contact Lenovo support or a professional technician for further assistance.

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