Flickering && glitching and random freezes after suspending the system

Hey this is something i noticed when i used manjaro in the past with kde + x11, and now i experience it with garuda gnome i don't really know if it is a problem with my old laptop or something else, whenever my system is put to sleep when i restore back flickering start and some random freezes(the display freezes for like 5 seconds), any idea

i also should say that i use electron apps looooot (teams, vscode, discord)

System:
  Kernel: 5.16.1-zen1-1-zen x86_64 bits: 64 compiler: gcc v: 11.1.0
    parameters: BOOT_IMAGE=/@/boot/vmlinuz-linux-zen
    root=UUID=d0241718-2938-44e6-be8a-1fd8502161d4 rw [email protected]
    quiet splash rd.udev.log_priority=3 vt.global_cursor_default=0 loglevel=3
  Desktop: GNOME 41.3 tk: GTK 3.24.31 wm: gnome-shell dm: GDM 41.3
    Distro: Garuda Linux base: Arch Linux
Machine:
  Type: Laptop System: LENOVO product: 4238AB4 v: ThinkPad T420
    serial: <superuser required> Chassis: type: 10 serial: <superuser required>
  Mobo: LENOVO model: 4238AB4 serial: <superuser required>
    UEFI-[Legacy]: LENOVO v: 83ET67WW (1.37 ) date: 11/28/2011
Battery:
  ID-1: BAT0 charge: 1.6 Wh (100.0%) condition: 1.6/56.2 Wh (2.8%)
    volts: 12.3 min: 10.8 model: LGC 45N1005 type: Li-ion serial: <filter>
    status: Full
CPU:
  Info: model: Intel Core i5-2520M bits: 64 type: MT MCP arch: Sandy Bridge
    family: 6 model-id: 0x2A (42) stepping: 7 microcode: 0x2F
  Topology: cpus: 1x cores: 2 tpc: 2 threads: 4 smt: enabled cache:
    L1: 128 KiB desc: d-2x32 KiB; i-2x32 KiB L2: 512 KiB desc: 2x256 KiB
    L3: 3 MiB desc: 1x3 MiB
  Speed (MHz): avg: 797 high: 798 min/max: 800/3200 scaling:
    driver: intel_cpufreq governor: schedutil cores: 1: 797 2: 798 3: 797
    4: 797 bogomips: 19937
  Flags: avx ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  Vulnerabilities:
  Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf
    mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  Type: spec_store_bypass
    mitigation: Speculative Store Bypass disabled via prctl
  Type: spectre_v1
    mitigation: usercopy/swapgs barriers and __user pointer sanitization
  Type: spectre_v2 mitigation: Full generic retpoline, IBPB: conditional,
    IBRS_FW, STIBP: conditional, RSB filling
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
    vendor: Lenovo ThinkPad T420 driver: i915 v: kernel bus-ID: 00:02.0
    chip-ID: 8086:0126 class-ID: 0300
  Device-2: Chicony integrated camera type: USB driver: uvcvideo
    bus-ID: 1-1.6:3 chip-ID: 04f2:b221 class-ID: 0e02
  Display: wayland server: X.Org 1.21.1.4 compositor: gnome-shell driver:
    loaded: intel unloaded: modesetting alternate: fbdev,vesa display-ID: :0
    screens: 1
  Screen-1: 0 s-res: 1600x900 s-dpi: 96 s-size: 423x238mm (16.7x9.4")
    s-diag: 485mm (19.1")
  Monitor-1: XWAYLAND0 res: 1600x900 hz: 60 dpi: 131
    size: 310x170mm (12.2x6.7") diag: 354mm (13.9")
  Message: Unable to show advanced data. Required tool glxinfo missing.
Audio:
  Device-1: Intel 6 Series/C200 Series Family High Definition Audio
    vendor: Lenovo driver: snd_hda_intel v: kernel bus-ID: 00:1b.0
    chip-ID: 8086:1c20 class-ID: 0403
  Sound Server-1: ALSA v: k5.16.1-zen1-1-zen running: yes
  Sound Server-2: JACK v: 1.9.20 running: no
  Sound Server-3: PulseAudio v: 15.0 running: yes
  Sound Server-4: PipeWire v: 0.3.43 running: no
Network:
  Device-1: Intel 82579LM Gigabit Network vendor: Lenovo ThinkPad T520
    driver: e1000e v: kernel port: 5080 bus-ID: 00:19.0 chip-ID: 8086:1502
    class-ID: 0200
  IF: enp0s25 state: down mac: <filter>
  Device-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi
    v: kernel bus-ID: 03:00.0 chip-ID: 8086:0085 class-ID: 0280
  IF: wlp3s0 state: up mac: <filter>
Drives:
  Local Storage: total: 119.24 GiB used: 20.4 GiB (17.1%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/sda maj-min: 8:0 vendor: Kingfast model: N/A size: 119.24 GiB
    block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s type: SSD
    serial: <filter> rev: 61L3 scheme: MBR
Partition:
  ID-1: / raw-size: 37.55 GiB size: 37.55 GiB (100.00%)
    used: 20.4 GiB (54.3%) fs: btrfs dev: /dev/sda4 maj-min: 8:4
  ID-2: /home raw-size: 37.55 GiB size: 37.55 GiB (100.00%)
    used: 20.4 GiB (54.3%) fs: btrfs dev: /dev/sda4 maj-min: 8:4
  ID-3: /var/log raw-size: 37.55 GiB size: 37.55 GiB (100.00%)
    used: 20.4 GiB (54.3%) fs: btrfs dev: /dev/sda4 maj-min: 8:4
  ID-4: /var/tmp raw-size: 37.55 GiB size: 37.55 GiB (100.00%)
    used: 20.4 GiB (54.3%) fs: btrfs dev: /dev/sda4 maj-min: 8:4
Swap:
  Kernel: swappiness: 133 (default 60) cache-pressure: 100 (default)
  ID-1: swap-1 type: zram size: 7.54 GiB used: 36.5 MiB (0.5%)
    priority: 100 dev: /dev/zram0
Sensors:
  System Temperatures: cpu: 45.0 C mobo: N/A
  Fan Speeds (RPM): cpu: 1921
Info:
  Processes: 275 Uptime: 11m wakeups: 1 Memory: 7.54 GiB
  used: 4.65 GiB (61.6%) Init: systemd v: 250 tool: systemctl Compilers:
  gcc: 11.1.0 clang: 13.0.0 Packages: pacman: 1279 lib: 353 Shell: fish
  v: 3.3.1 default: Bash v: 5.1.16 running-in: gnome-terminal inxi: 3.3.11

With those kind of persistent problems, I would update your bios first BIOS Update (Bootable CD) for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad T420, T420i - Lenovo Support US

If the bios update alone doesn't fix your issue, I would try out using the linux-lts kernel next.

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question : should i download the file in the link and install it inside windows? i have no idea how to do it .
Thank u for the reply

The page certainly could try to instruct better, lol.

Let me try to explain a bit better. "The BIOS Update CD can boot the computer disregarding the operating systems and update the UEFI BIOS" -- this means unlike the other BIOS update method, you can download the latest ISO on that page and then make a bootable CD/DVD/USB with it (without doing it through windows like the other method). Make a bootable media with that ISO. Reboot your computer and hit whatever key your system prompts at startup to get to a boot selection and select your drive that your bootable media is in. The bootable media contains a way to upgrade to the new bios contained within it.

Apologies for the sloppy writing. I am away on a mobile device at the moment.

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thank you very much for the explanation, i have already downloaded the iso file, i will put it in my ventoy usb and try to upgrade :heart:

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Also looks like your battery might be on its last legs as its max charge is very low from its condition. Would explain the flickering under heavier loads.

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i actually never thought about it causing the issue but now since u have said it i believe it is the reason why i a having that, thanks for that note

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