His PC runs Ubuntu 24.04 and the mouse is a Razer Basilisk V3 35K. I tested it on my Ubuntu PC and it had the same problem.
Here’s the fastfetch output:
.... marko@markubuntu
.',:clooo: .:looooo:. ----------------
.;looooooooc .oooooooooo' OS: Ubuntu 24.04.4 LTS (Noble Numbat) x86_64
.;looooool:,''. :ooooooooooc Host: A620M GAMING X (-CF)
;looool;. 'oooooooooo, Kernel: Linux 7.0.0-31-generic
;clool' .cooooooc. ,, Uptime: 58 mins
... ...... .:oo, Packages: 2282 (dpkg), 19 (flatpak-system), 29 (flatpak-user), 15 (snap)
.;clol:,. .loooo' Shell: fish 4.8.1
:ooooooooo, 'ooool Display (Odyssey G40B): 1920x1080 in 27", 240 Hz [External]
'ooooooooooo. loooo. DE: GNOME 46.0
'ooooooooool coooo. WM: Mutter (X11)
,loooooooc. .loooo. WM Theme: Yaru-dark
.,;;;'. ;ooooc Theme: Yaru-dark [GTK2/3/4]
... ,ooool. Icons: Yaru [GTK2/3/4]
.cooooc. ..',,'. .cooo. Font: Sans (11pt) [GTK2/3/4]
;ooooo:. ;oooooooc. :l. Cursor: Yaru (24px)
.coooooc,.. coooooooooo. Terminal: GNOME Terminal 3.52.0
.:ooooooolc:. .ooooooooooo' Terminal Font: Ubuntu Sans Mono (13pt)
.':loooooo; ,oooooooooc CPU: AMD Ryzen 5 7600X (12) @ 5.46 GHz
..';::c' .;loooo:' GPU 1: AMD Radeon RX 6600 [Discrete]
GPU 2: AMD Raphael [Integrated]
Memory: 5.41 GiB / 14.77 GiB (37%)
Swap: 0 B / 4.00 GiB (0%)
Disk (/): 878.47 GiB / 934.80 GiB (94%) - ext4
Local IP (enp8s0): 192.168.64.111/24
Locale: en_US.UTF-8
It has a GIGABYTE A620M GAMING X motherboard.
I would look in dmesg for hardware errors.