Bootloader installation problem

Hello community,
I have a problem to install bootloader on my HP probook 455 G7 12x21ae.
I have UEFI enabled, security boot disabled, fast boot disabled and USB installation media with GPT partitioning table.
At the end of the installation process I get this error:

The bootloader could not be installed. The installation command <pre>grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=Manjaro --force</pre> returned error code 1.

Outputs:

sudo efibootmgr -v

BootCurrent: 0004
Timeout: 0 seconds
BootOrder: 0004,0000,0001,0007,0008,0006,0003,0002,0005
Boot0000* INTEL SSDPEKNW512G8H-BTNH04620TG4512A	PciRoot(0x0)/Pci(0x2,0x4)/Pci(0x0,0x0)/NVMe(0x1,00-00-00-00-00-00-00-00)4eac0881119f594d850ee21a522c59b21000000049535048
      dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 04 02 / 01 01 06 00 00 00 / 03 17 10 00 01 00 00 00 00 00 00 00 00 00 00 00 / 7f ff 04 00
    data: 4e ac 08 81 11 9f 59 4d 85 0e e2 1a 52 2c 59 b2 10 00 00 00 49 53 50 48
Boot0001* Samsung SSD 860 EVO 1TB 	PciRoot(0x0)/Pci(0x8,0x2)/Pci(0x0,0x1)/Sata(0,65535,0)4eac0881119f594d850ee21a522c59b21000000049535048
      dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 02 08 / 01 01 06 00 01 00 / 03 12 0a 00 00 00 ff ff 00 00 / 7f ff 04 00
    data: 4e ac 08 81 11 9f 59 4d 85 0e e2 1a 52 2c 59 b2 10 00 00 00 49 53 50 48
Boot0002* Samsung SSD 860 EVO 1TB 	BBS(HD,Samsung SSD 860 EVO 1TB ,0x400)/PciRoot(0x0)/Pci(0x8,0x2)/Pci(0x0,0x1)/Sata(0,65535,0)01001000000049535048
      dp: 05 01 21 00 02 00 00 04 53 61 6d 73 75 6e 67 20 53 53 44 20 38 36 30 20 45 56 4f 20 31 54 42 20 00 / 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 02 08 / 01 01 06 00 01 00 / 03 12 0a 00 00 00 ff ff 00 00 / 7f ff 04 00
    data: 01 00 10 00 00 00 49 53 50 48
Boot0003* INTEL SSDPEKNW512G8H-BTNH04620TG4512A	BBS(HD,INTEL SSDPEKNW512G8H-BTNH04620TG4512A,0x400)/PciRoot(0x0)/Pci(0x2,0x4)/Pci(0x0,0x0)/NVMe(0x1,00-00-00-00-00-00-00-00)02001000000049535048
      dp: 05 01 2e 00 02 00 00 04 49 4e 54 45 4c 20 53 53 44 50 45 4b 4e 57 35 31 32 47 38 48 2d 42 54 4e 48 30 34 36 32 30 54 47 34 35 31 32 41 00 / 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 04 02 / 01 01 06 00 00 00 / 03 17 10 00 01 00 00 00 00 00 00 00 00 00 00 00 / 7f ff 04 00
    data: 02 00 10 00 00 00 49 53 50 48
Boot0004* Kingston DataTraveler 70 1831BFB81BC8F690F9230134	PciRoot(0x0)/Pci(0x8,0x1)/Pci(0x0,0x3)/USB(4,0)4eac0881119f594d850ee21a522c59b20918000049535048
      dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 01 08 / 01 01 06 00 03 00 / 03 05 06 00 04 00 / 7f ff 04 00
    data: 4e ac 08 81 11 9f 59 4d 85 0e e2 1a 52 2c 59 b2 09 18 00 00 49 53 50 48
Boot0005* Intel Corporation: Realtek PXE B01 D00	BBS(Network,Intel Corporation: Realtek PXE B01 D00,0x0)/PciRoot(0x0)/Pci(0x1,0x2)/Pci(0x0,0x0)/IPv4(0.0.0.00.0.0.0,0,0)15001000000049535048
      dp: 05 01 2f 00 06 00 00 00 49 6e 74 65 6c 20 43 6f 72 70 6f 72 61 74 69 6f 6e 3a 20 52 65 61 6c 74 65 6b 20 50 58 45 20 42 30 31 20 44 30 30 00 / 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 02 01 / 01 01 06 00 00 00 / 03 0c 1b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 / 7f ff 04 00
    data: 15 00 10 00 00 00 49 53 50 48
Boot0006  USB:  	BBS(65535,,0x0)/PciRoot(0x0)/Pci(0x8,0x1)/Pci(0x0,0x3)ffff0b18000049535048
      dp: 05 01 09 00 ff ff 00 00 00 / 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 01 08 / 01 01 06 00 03 00 / 7f ff 04 00
    data: ff ff 0b 18 00 00 49 53 50 48
Boot0007* IPV4 Network - Realtek PCIe GBE Family Controller	PciRoot(0x0)/Pci(0x1,0x2)/Pci(0x0,0x0)/MAC(3024a99557b3,0)/IPv4(0.0.0.00.0.0.0,0,0)4eac0881119f594d850ee21a522c59b20000000049535048
      dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 02 01 / 01 01 06 00 00 00 / 03 0b 25 00 30 24 a9 95 57 b3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 / 03 0c 1b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 / 7f ff 04 00
    data: 4e ac 08 81 11 9f 59 4d 85 0e e2 1a 52 2c 59 b2 00 00 00 00 49 53 50 48
Boot0008* IPV6 Network - Realtek PCIe GBE Family Controller	PciRoot(0x0)/Pci(0x1,0x2)/Pci(0x0,0x0)/MAC(3024a99557b3,0)/IPv6([::]:<->[::]:,0,0)4eac0881119f594d850ee21a522c59b20000000049535048
      dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 02 01 / 01 01 06 00 00 00 / 03 0b 25 00 30 24 a9 95 57 b3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 / 03 0d 3c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 / 7f ff 04 00
    data: 4e ac 08 81 11 9f 59 4d 85 0e e2 1a 52 2c 59 b2 00 00 00 00 49 53 50 48

inxi -Fxza

System:
  Kernel: 6.6.10-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 13.2.1
    clocksource: hpet available: acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-x86_64 lang=en_US keytable=us tz=UTC
    lang=en_US keytable=us tz=Europe/Bratislava lang=en_US keytable=sk
    tz=Europe/Bratislava lang=cs_CZ keytable=sk tz=Europe/Bratislava
    misobasedir=manjaro misolabel=MANJARO_GNOME_2313 quiet
    systemd.show_status=1 splash driver=free nouveau.modeset=1 i915.modeset=1
    radeon.modeset=1 rdinit=/vtoy/vtoy
  Desktop: GNOME v: 45.3 tk: GTK v: 3.24.39 wm: gnome-shell dm: GDM
    v: 45.0.1 Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: HP product: HP ProBook 455 G7 v: N/A
    serial: <superuser required> Chassis: type: 10 serial: <superuser required>
  Mobo: HP model: 8730 v: KBC Version 13.26.00 serial: <superuser required>
    UEFI: HP v: S79 Ver. 01.08.20 date: 03/15/2022
Battery:
  ID-1: BAT0 charge: 34.7 Wh (99.4%) condition: 34.9/45.0 Wh (77.5%)
    volts: 12.3 min: 11.4 model: Hewlett-Packard Primary type: Li-ion
    serial: <filter> status: not charging cycles: 55
  Device-1: hidpp_battery_0 model: Logitech G305 Lightspeed Wireless Gaming
    Mouse serial: <filter> charge: 55% (should be ignored) rechargeable: yes
    status: discharging
CPU:
  Info: model: AMD Ryzen 7 4700U with Radeon Graphics bits: 64 type: MCP
    arch: Zen 2 gen: 3 level: v3 note: check built: 2020-22
    process: TSMC n7 (7nm) family: 0x17 (23) model-id: 0x60 (96) stepping: 1
    microcode: 0x8600106
  Topology: cpus: 1x cores: 8 smt: <unsupported> cache: L1: 512 KiB
    desc: d-8x32 KiB; i-8x32 KiB L2: 4 MiB desc: 8x512 KiB L3: 8 MiB
    desc: 2x4 MiB
  Speed (MHz): avg: 1653 high: 2151 min/max: 1400/2000 boost: enabled
    scaling: driver: acpi-cpufreq governor: schedutil cores: 1: 2151 2: 1397
    3: 1397 4: 1424 5: 1925 6: 1831 7: 1528 8: 1576 bogomips: 31958
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: retbleed mitigation: untrained return thunk; SMT disabled
  Type: spec_rstack_overflow mitigation: SMT disabled
  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: Retpolines, IBPB: conditional, STIBP:
    disabled, RSB filling, PBRSB-eIBRS: Not affected
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: AMD Renoir [Radeon RX Vega 6 ] vendor: Hewlett-Packard
    driver: amdgpu v: kernel arch: GCN-5 code: Vega process: GF 14nm
    built: 2017-20 pcie: gen: 3 speed: 8 GT/s lanes: 16 link-max: gen: 4
    speed: 16 GT/s ports: active: eDP-1 empty: DP-1,DP-2,HDMI-A-1
    bus-ID: 05:00.0 chip-ID: 1002:1636 class-ID: 0300 temp: 45.0 C
  Device-2: Cheng Uei Precision Industry (Foxlink) HP Wide Vision HD
    Integrated Webcam driver: uvcvideo type: USB rev: 2.0 speed: 480 Mb/s
    lanes: 1 mode: 2.0 bus-ID: 3-4:3 chip-ID: 05c8:03cb class-ID: 0e02
  Display: wayland server: X.org v: 1.21.1.10 with: Xwayland v: 23.2.3
    compositor: gnome-shell driver: gpu: amdgpu display-ID: 0
  Monitor-1: eDP-1 model: LG Display 0x062e built: 2019 res: 1920x1080
    dpi: 142 gamma: 1.2 size: 344x194mm (13.54x7.64") diag: 395mm (15.5")
    ratio: 16:9 modes: max: 1920x1080 min: 640x480
  API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0 drv: radeonsi
    device: 1 drv: swrast surfaceless: drv: radeonsi wayland: drv: radeonsi x11:
    drv: radeonsi inactive: gbm
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 23.3.3-manjaro1.1
    glx-v: 1.4 direct-render: yes renderer: AMD Radeon Graphics (radeonsi
    renoir LLVM 16.0.6 DRM 3.54 6.6.10-1-MANJARO) device-ID: 1002:1636
    memory: 500 MiB unified: no display-ID: :0.0
Audio:
  Device-1: AMD Renoir Radeon High Definition Audio vendor: Hewlett-Packard
    driver: snd_hda_intel v: kernel pcie: gen: 3 speed: 8 GT/s lanes: 16
    link-max: gen: 4 speed: 16 GT/s bus-ID: 05:00.1 chip-ID: 1002:1637
    class-ID: 0403
  Device-2: AMD ACP/ACP3X/ACP6x Audio Coprocessor vendor: Hewlett-Packard
    driver: N/A alternate: snd_pci_acp3x, snd_rn_pci_acp3x, snd_pci_acp5x,
    snd_pci_acp6x, snd_acp_pci, snd_rpl_pci_acp6x, snd_pci_ps,
    snd_sof_amd_renoir, snd_sof_amd_rembrandt, snd_sof_amd_vangogh pcie:
    gen: 3 speed: 8 GT/s lanes: 16 link-max: gen: 4 speed: 16 GT/s
    bus-ID: 05:00.5 chip-ID: 1022:15e2 class-ID: 0480
  Device-3: AMD Family 17h/19h HD Audio vendor: Hewlett-Packard
    driver: snd_hda_intel v: kernel pcie: gen: 3 speed: 8 GT/s lanes: 16
    link-max: gen: 4 speed: 16 GT/s bus-ID: 05:00.6 chip-ID: 1022:15e3
    class-ID: 0403
  API: ALSA v: k6.6.10-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: JACK v: 1.9.22 status: off tools: N/A
  Server-2: PipeWire v: 1.0.0 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
    tools: pactl,pw-cat,pw-cli,wpctl
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
    vendor: Hewlett-Packard driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s
    lanes: 1 port: 3000 bus-ID: 01:00.0 chip-ID: 10ec:8168 class-ID: 0200
  IF: enp1s0 state: down mac: <filter>
  Device-2: Intel Wi-Fi 6 AX200 driver: iwlwifi v: kernel pcie: gen: 2
    speed: 5 GT/s lanes: 1 bus-ID: 02:00.0 chip-ID: 8086:2723 class-ID: 0280
  IF: wlp2s0 state: up mac: <filter>
Bluetooth:
  Device-1: Intel AX200 Bluetooth driver: btusb v: 0.8 type: USB rev: 2.0
    speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 1-3:4 chip-ID: 8087:0029
    class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 1 state: up address: see --recommends
Drives:
  Local Storage: total: 1.43 TiB used: 250.89 GiB (17.1%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Intel model: SSDPEKNW512G8H
    size: 476.94 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
    lanes: 4 tech: SSD serial: <filter> fw-rev: HPS1 temp: 27.9 C scheme: GPT
  ID-2: /dev/sda maj-min: 8:0 vendor: Samsung model: SSD 860 EVO 1TB
    size: 931.51 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    tech: SSD serial: <filter> fw-rev: 4B6Q scheme: GPT
  ID-3: /dev/sdb maj-min: 8:16 vendor: Kingston model: DataTraveler 70
    size: 57.62 GiB block-size: physical: 512 B logical: 512 B type: USB
    rev: 3.2 spd: 5 Gb/s lanes: 1 mode: 3.2 gen-1x1 tech: N/A serial: <filter>
    scheme: GPT
  SMART Message: Unknown USB bridge. Flash drive/Unsupported enclosure?
Partition:
  Message: No partition data found.
Swap:
  Alert: No swap data was found.
Sensors:
  System Temperatures: cpu: 59.6 C mobo: N/A gpu: amdgpu temp: 43.0 C
  Fan Speeds (rpm): N/A
Info:
  Processes: 333 Uptime: 3h 23m wakeups: 0 Memory: total: 32 GiB note: est.
  available: 30.76 GiB used: 3.94 GiB (12.8%) Init: systemd v: 255
  default: graphical tool: systemctl Compilers: gcc: 13.2.1 clang: 16.0.6
  Packages: pm: pacman pkgs: 1299 libs: 328 tools: gnome-software,pamac
  pm: flatpak pkgs: 0 Shell: Zsh v: 5.9 running-in: gnome-terminal
  inxi: 3.3.31

parted -l

Model: ATA Samsung SSD 860 (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system  Name  Flags
 1      1049kB  1000GB  1000GB  ext4


Model: Kingston DataTraveler 70 (scsi)
Disk /dev/sdb: 61.9GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system  Name     Flags
 1      1049kB  61.8GB  61.8GB               Ventoy   msftdata
 2      61.8GB  61.9GB  33.6MB  fat16        VTOYEFI  hidden, msftdata, no_automount


Model: ADATA USB Flash Drive (scsi)
Disk /dev/sdc: 15.8GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system  Name     Flags
 1      1049kB  15.8GB  15.8GB               Ventoy   msftdata
 2      15.8GB  15.8GB  33.6MB  fat16        VTOYEFI  hidden, msftdata, no_automount


Model: INTEL SSDPEKNW512G8H (nvme)
Disk /dev/nvme0n1: 512GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system     Name  Flags
 1      1049kB  525MB   524MB   fat32                 boot, esp
 2      525MB   9974MB  9449MB  linux-swap(v1)        swap
 3      9974MB  512GB   502GB   ext4

manjaro-chroot -a

==> Mounting (ManjaroLinux) [/dev/nvme0n1p3]
 --> mount: [/mnt]
 --> mount: [/mnt/boot/efi]

sudo grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=manjaro --recheck

sudo grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=manjaro --recheck
Installing for x86_64-efi platform.
grub-install: error: failed to get canonical path of `/boot/efi'.

I appreciate every advise to my problem. Thank you.


Moderator edit: In the future, please use proper formatting: [HowTo] Post command output and file content as formatted text

This is problem.
Can you post blkid and fdisk -l ?

blkid

/dev/nvme0n1p1: UUID="AE9B-FC03" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="94a226b6-e9e2-4e1f-b344-a1df18fff7df"
/dev/nvme0n1p2: UUID="4b867d17-bea6-4691-b5c4-3b8361511bcd" TYPE="swap" PARTUUID="999c2a80-5a05-41d2-b620-7905f7e61eaf"
/dev/nvme0n1p3: UUID="99dd54c3-c133-405b-9743-fce571061602" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="b09be284-58aa-429b-ad7a-29dd49ae73f2"
/dev/sda1: LABEL="M-CM-^ZloM-EM->isko" UUID="762fe9ff-57fe-4689-90b5-2dcbac0a12f5" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="6a29ebc2-d687-4ce2-807d-f8db131a67c2"
/dev/sdb1: LABEL="Ventoy" UUID="D465-A880" BLOCK_SIZE="512" TYPE="exfat" PARTLABEL="Ventoy" PARTUUID="7b931b4e-679e-1b85-587f-286f1e4e9042"
/dev/sdb2: SEC_TYPE="msdos" LABEL_FATBOOT="VTOYEFI" LABEL="VTOYEFI" UUID="83A6-E98E" BLOCK_SIZE="512" TYPE="vfat" PARTLABEL="VTOYEFI" PARTUUID="1a8eee53-a39c-950f-f036-e337bc0c3eb7"
/dev/loop1: BLOCK_SIZE="262144" TYPE="squashfs"
/dev/loop2: BLOCK_SIZE="262144" TYPE="squashfs"
/dev/loop0: BLOCK_SIZE="262144" TYPE="squashfs"
/dev/mapper/ventoy: BLOCK_SIZE="2048" UUID="2024-01-13-03-11-50-00" LABEL="MANJARO_GNOME_2313" TYPE="iso9660" PTTYPE="dos"
/dev/loop3: BLOCK_SIZE="262144" TYPE="squashfs"

fdisk -l

fdisk: cannot open /dev/sda: Permission denied
fdisk: cannot open /dev/nvme0n1: Permission denied
fdisk: cannot open /dev/sdb: Permission denied
fdisk: cannot open /dev/mapper/ventoy: Permission denied
fdisk: cannot open /dev/loop0: Permission denied
fdisk: cannot open /dev/loop1: Permission denied
fdisk: cannot open /dev/loop2: Permission denied
fdisk: cannot open /dev/loop3: Permission denied
fdisk: cannot open /dev/sdc: Permission denied

You must run fdisk -l as root or sudo.

Thank you for correction. Here is:

sudo fdisk -l

Disk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: Samsung SSD 860 
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: A35FBB62-6120-492D-86FE-321DE2DA2AB5

Device     Start        End    Sectors   Size Type
/dev/sda1   2048 1953523711 1953521664 931.5G Linux filesystem


Disk /dev/nvme0n1: 476.94 GiB, 512110190592 bytes, 1000215216 sectors
Disk model: INTEL SSDPEKNW512G8H                    
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 79FB3B6C-CA14-488D-BC1E-E53492CD040F

Device            Start        End   Sectors   Size Type
/dev/nvme0n1p1     2048    1026047   1024000   500M EFI System
/dev/nvme0n1p2  1026048   19480575  18454528   8.8G Linux swap
/dev/nvme0n1p3 19480576 1000206866 980726291 467.6G Linux filesystem


Disk /dev/sdb: 57.62 GiB, 61872793600 bytes, 120845300 sectors
Disk model: DataTraveler 70 
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: CE45ADAF-AA17-2605-5E35-3AFBEB3F35FF

Device         Start       End   Sectors  Size Type
/dev/sdb1       2048 120779727 120777680 57.6G Microsoft basic data
/dev/sdb2  120779728 120845263     65536   32M Microsoft basic data


Disk /dev/mapper/ventoy: 3.85 GiB, 4139102208 bytes, 8084184 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000

Device                   Boot   Start     End Sectors  Size Id Type
/dev/mapper/ventoy-part1 *         64 8075991 8075928  3.9G  0 Empty
/dev/mapper/ventoy-part2      8075992 8084183    8192    4M ef EFI (FAT-12/16/32


Disk /dev/loop0: 152.98 MiB, 160407552 bytes, 313296 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop1: 1.16 GiB, 1249161216 bytes, 2439768 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop2: 1.71 GiB, 1831927808 bytes, 3577984 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop3: 767.39 MiB, 804667392 bytes, 1571616 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sdc: 14.74 GiB, 15822487552 bytes, 30903296 sectors
Disk model: USB Flash Drive 
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 2660301C-3639-5894-7A2B-64276825E55C

Device        Start      End  Sectors  Size Type
/dev/sdc1      2048 30837719 30835672 14.7G Microsoft basic data
/dev/sdc2  30837720 30903255    65536   32M Microsoft basic data

be careful on chroot ,
the color and cursor change for a red # after chroot ,
so under chroot no need of sudo , that may explain error for grub-install command on your report

to leave/end chroot always type exit

Thanks for good advise, stephane. :slightly_smiling_face:

Thank you people for your help. I resolved this and I don´t know how. I installed Linux mint and than I installed Manjaro again. And all is working. I downloaded manjaro iso file again. There is also possible that previous iso file was corrupted.

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