если в терминале выполнить gnome-control-center , ошибки есть?
давайте посмотрим на железо и драйвера, установите inxi и выложите результат:
inxi -b
System:
Host: ovli-system Kernel: 5.4.0-48-generic x86_64 bits: 64
Desktop: Gnome 3.36.4 Distro: Ubuntu 20.04.1 LTS (Focal Fossa)
Machine:
Type: Laptop System: LENOVO product: HuronRiver Platform v: Lenovo B570
serial: <superuser/root required>
Mobo: LENOVO model: Emerald Lake v: FAB1 serial: <superuser/root required>
UEFI: LENOVO v: 44CN41WW date: 08/18/2011
Battery:
ID-1: BAT0 charge: 26.8 Wh condition: 27.4/43.2 Wh (63%)
CPU:
Dual Core: Intel Pentium B950 type: MCP speed: 829 MHz
min/max: 800/2100 MHz
Graphics:
Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
driver: i915 v: kernel
Device-2: NVIDIA GF119M [GeForce 410M] driver: nouveau v: kernel
Display: x11 server: X.Org 1.20.8 driver: nouveau
resolution: 1366x768~60Hz, 1024x768~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 2000 (SNB GT1)
v: 3.3 Mesa 20.0.8
Network:
Device-1: Broadcom and subsidiaries BCM4313 802.11bgn Wireless Network
Adapter
driver: bcma-pci-bridge
Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
driver: r8169
Drives:
Local Storage: total: 465.76 GiB used: 9.39 GiB (2.0%)
Info:
Processes: 209 Uptime: 18h 01m Memory: 5.72 GiB used: 1.91 GiB (33.4%)
Shell: bash inxi: 3.0.38
ovli@ovli-system:~$ gnome-control-center
тоже самое без ошибок