电脑是什么品牌？

亲！

在终端中输入命令：

sudo apt install inxi -y && inxi -F && cat /etc/apt/sources.list /etc/apt/sources.list.d/*.list |grep -v ^#

而后将 System直到底部最后的信息，贴上来看下

System:
Host: xujun-PC Kernel: 6.6.47-amd64-desktop-hwe arch: x86_64 bits: 64
Desktop: Deepin v: 23 Distro: Deepin 23 beige
Machine:
Type: Desktop System: LENOVO product: 90HMA019CD v: QiTianM420-D046(C)
serial:
Mobo: LENOVO model: 3140 v: SDK0L77767 WIN 3423591693796
serial: UEFI: LENOVO v: M22KT43A date: 06/24/2020
CPU:
Info: 6-core model: Intel Core i5-9500 bits: 64 type: MCP cache: L2: 1.5 MiB
Speed (MHz): avg: 4193 min/max: 800/4400 cores: 1: 4189 2: 4200 3: 4200
4: 4179 5: 4199 6: 4192
Graphics:
Device-1: Intel CoffeeLake-S GT2 [UHD Graphics 630] driver: i915 v: kernel
Display: x11 server: X.Org v: 1.21.1.10 with: Xwayland v: 23.2.6 driver:
X: loaded: modesetting unloaded: fbdev,vesa dri: iris gpu: i915
resolution: 1920x108060Hz
API: OpenGL Message: Unable to show GL data. glxinfo is missing.
Audio:
Device-1: Intel Cannon Lake PCH cAVS driver: snd_hda_intel
Device-2: JBL PS3500 driver: hid-generic,snd-usb-audio,usb-storage,usbhid
type: USB
API: ALSA v: k6.6.47-amd64-desktop-hwe status: kernel-api
Server-1: PulseAudio v: 15.0 status: active
Network:
Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
driver: r8169
IF: enp1s0 state: up speed: 100 Mbps duplex: full mac: a4:ae:12:33:5b:5e
Drives:
Local Storage: total: 1.13 TiB used: 293.12 GiB (25.4%)
ID-1: /dev/sda vendor: Western Digital model: WD10EZEX-08WN4A0
size: 931.51 GiB
ID-2: /dev/sdb vendor: Kingchuxing model: 240GB size: 223.57 GiB
Partition:
ID-1: / size: 87.43 GiB used: 8.74 GiB (10.0%) fs: ext4 dev: /dev/sdb4
ID-2: /boot size: 1.44 GiB used: 370.6 MiB (25.1%) fs: ext4 dev: /dev/sdb2
Swap:
ID-1: swap-1 type: partition size: 7.82 GiB used: 256 KiB (0.0%)
dev: /dev/sdb3
Sensors:
Src: /sys System Temperatures: cpu: 49.0 C pch: 55.0 C mobo: N/A
Fan Speeds (rpm): N/A
Info:
Processes: 331 Uptime: 17m Memory: total: 8 GiB available: 7.64 GiB
used: 3.83 GiB (50.2%) Shell: Bash inxi: 3.3.31
deb https://community-packages.deepin.com/beige/ beige main commercial community
deb https://com-store-packages.uniontech.com/appstorev23 beige appstore
deb https://community-packages.deepin.com/driver-23/ driver non-free
xujun@xujun-PC:/Desktop$

又是联想，差上耳机后再试试？