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Av0cad0-08's avatar
Av0cad0-08
2 years ago

Mouse moving causes massive FPS drops! Unplayable!

Product: Apex Legends
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number nvidiaRTX 3080 TI LAPTOP
Enter RAM memory size in GB 32.0 GB
What is your gamertag/PSN ID/EA Account name? AVOCADO-08
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible.
Are you using any software with an overlay? No
Which Legend were you playing (if applicable)?
Which Legends were your squad mates using (if applicable)?
Where did the issue occur? In a match
Which part of the map or menu were you in? If you don't remember the exact name, please describe the area or what you were trying to do in the menu. Wherever i am in the map
What were you doing when the issue occurred? E.g. respawning a squad mate at a beacon, using an ability, a squad mate left the game. I started the game normally and suddenly the problem occurred
Did your squad mates also experience the issue? I don't know
How many matches had you played in a row before the issue occurred? alot
When did this happen? (dd.mm.yy hh:mm)
How often does the bug occur? Every time (100%)
How severe is your issue? Major impacts to gameplay
What happens when the bug occurs? When I move the mouse, the screen frame rate drops a lot
What should be happening instead? The mouse should move smoothly
Steps: How can we find the bug ourselves? I don't know, just enter any game and happened to me

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Hi, I'm hoping someone out there can help me with this frustrating issue. As the title suggests, whenever I move my mouse around in Apex Legends, the frame rate drops significantly, making the game unplayable.

I've tried adjusting various settings, including compatibility modes, windowed mode, lower resolutions, and enabling or disabling V-Sync. However, the problem persists.

The strange thing is that when I move around the game world without moving the mouse, the FPS remains stable at 165. It's only when I start moving the mouse that the FPS plummets. This behavior is baffling, and I've been unable to find a solution.

In an attempt to resolve the issue, I've even tried lowering the polling rate of my gaming mouse from 1000 Hz to a lower setting like 125 Hz. Unfortunately, this hasn't made any difference.

I'm hoping someone has encountered a similar problem and has found a successful solution. Any suggestions would be greatly appreciated. Thanks in advance.

2 Replies

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  • nwts1's avatar
    nwts1
    2 years ago

    I tried posting a reply about my experiences with this issue last week and it was autodeleted. Maybe it's because there was a video upload linked?


    Been having the same problem since early September. Not sure there's a fix out there, unfortunately; I've tried plenty of stuff.

    This was after about an hour-long session, after which it had started having problems on 250Hz during matches. Notice how it's initially smooth at 250Hz and increasing polling rate progressively makes it worse, up until 4K is making it lose several seconds. After that, switching back to 250Hz is noticeably worse than at the beginning of the recording.

    I don't think I have it quite as bad as OP, maybe because I'm starting with stronger hardware (i12700K/4090). Still, this shouldn't be happening at all; it's something that flipped overnight.

    My observations are:

    -The effect is worse as polling rate increases; 4KHz is completely unplayable but even lowering it further down still incurs drops.
    -There appears to be some kind of buffer that accumulates. If I start a session at 4KHz, these frame drops start within seconds, whereas if I leave it at 250Hz, I can play for an hour or so. Closing and reopening the game resets it.

    -Moving the mouse very slowly mitigates the impact of the problem, which makes sense - at 4K polling, the mouse needs to move a lot of physical distance quickly to saturate that polling.
    -It's not a simple framerate drop - I forgot to record audio, but there's gameplay desync where in the worst cases, bullets don't register until seconds after they visibly shoot and the audio plays.


    I'd speculate that this is something CPU-related, since that's usually what causes high mouse polling rates to cause problems, but I've thrown a lot of latency solutions at the wall and nothing's had any real effect (in no particular order)

    -adjusting graphics settings
    -DX12 beta version
    -reinstalling drivers
    -isolating all USB devices
    -disabling USB power suspend
    -replacing mouse/keyboard (Lamzu Atlantis/Steelseries Apex Pro with GPX Superlight/generic mechanical keyboard with no software)
    -tweaking NVCP settings for high performance
    -reinstalling Windows
    -clean install of GeForce drivers/reverting to older versions
    -running Apex/EAC as admin
    -disabling hidden CPU power savings settings in Windows Power options
    -disabling CPU power saving settings in BIOS
    -disabling hyperthreading cores
    -isolating Apex/USB hub to separate cores
    -tuning system timer
    -disabling W11 HAGS

  • nwts1's avatar
    nwts1
    2 years ago

    Bump. Next week is coming up on three months of having my crosshair skip around at 250Hz polling and still needing to restart the game every couple of matches.

    There's been a motherboard firmware update since my last post that did nothing.

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