Sony Vaio SVF model backlight issue

hi actually im using manjaro xfce on my sony vaio svf model n backlight during the grub option at start are working but when i open manjaro it slowly shut downs the backlight …+ and the brightness is also quite low… +and an ways to fix shift key

ls /sys/class/backlight
inxi --admin --verbosity=7 --filter --no-host --width

after that command i got this

Kernel: 5.10.59-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
parameters: BOOT_IMAGE=/boot/vmlinuz-5.10-x86_64
root=UUID=59084502-dbbb-45c5-b83a-6a0f88f21d05 rw acpi_osi=Linux
acpi_backlight=vendor quiet apparmor=1 security=apparmor udev.log_priority=3
Desktop: Xfce 4.16.0 tk: Gtk 3.24.29 info: xfce4-panel, plank
wm: xfwm 4.16.1 vt: 7 dm: LightDM 1.30.0 Distro: Manjaro Linux
base: Arch Linux
Type: Laptop System: Sony product: SVF15213CDW v: C10JANP7 serial:
Chassis: type: 10 serial:
Mobo: Sony model: VAIO serial: UEFI: Insyde v: R0210DA
date: 07/15/2013
ID-1: BAT1 charge: 17.2 Wh (55.5%) condition: 31.0/42.3 Wh (73.1%)
volts: 4.6 min: 14.4 model: SONY Corp. VGP-BPS35A type: Li-ion
serial: status: Discharging
RAM: total: 7.65 GiB used: 2.11 GiB (27.6%)
RAM Report: permissions: Unable to run dmidecode. Root privileges required.
Info: Dual Core model: Intel Core i5-3337U bits: 64 type: MT MCP
arch: Ivy Bridge family: 6 model-id: 3A (58) stepping: 9 microcode: 21
cache: L2: 3 MiB bogomips: 14372
Speed: 2494 MHz min/max: 800/2700 MHz Core speeds (MHz): 1: 2494 2: 2494
3: 2523 4: 2494
Flags: acpi aes aperfmperf apic arat arch_perfmon avx bts clflush cmov
constant_tsc cpuid cpuid_fault cx16 cx8 de ds_cpl dtes64 dtherm dts epb ept
erms est f16c flexpriority flush_l1d fpu fsgsbase fxsr ht ibpb ibrs ida
lahf_lm lm mca mce md_clear mmx monitor msr mtrr nonstop_tsc nopl nx pae pat
pbe pcid pclmulqdq pdcm pebs pge pln pni popcnt pse pse36 pti pts rdrand
rdtscp rep_good sep smep ss ssbd sse sse2 sse4_1 sse4_2 ssse3 stibp syscall
tm tm2 tpr_shadow tsc tsc_deadline_timer vme vmx vnmi vpid x2apic xsave
xsaveopt xtopology xtpr
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 and seccomp
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: Vulnerable: No microcode
Type: tsx_async_abort status: Not affected
Device-1: Intel 3rd Gen Core processor Graphics vendor: Sony driver: i915
v: kernel bus-ID: 00:02.0 chip-ID: 8086:0166 class-ID: 0300
Device-2: Acer Front Camera type: USB driver: uvcvideo bus-ID: 1-1.3:3
chip-ID: 5986:0543 class-ID: 0e02 serial:
Display: x11 serve x.org1.20.13 compositor: xfwm4 v: 4.16.1 driver:
loaded: modesetting unloaded: intel alternate: fbdev,vesa display-ID: :0.0
screens: 1
Screen-1: 0 s-res: 1366x768 s-dpi: 96 s-size: 361x203mm (14.2x8.0")
s-diag: 414mm (16.3")
Monitor-1: LVDS-1 res: 1366x768 hz: 60 dpi: 101 size: 344x194mm (13.5x7.6")
diag: 395mm (15.5")
OpenGL: renderer: Mesa DRI Intel HD Graphics 4000 (IVB GT2)
v: 4.2 Mesa 21.1.6 compat-v: 3.0 direct render: Yes
Device-1: Intel 7 Series/C216 Family High Definition Audio vendor: Sony
driver: snd_hda_intel v: kernel bus-ID: 00:1b.0 chip-ID: 8086:1e20
class-ID: 0403
Sound Server-1: ALSA v: k5.10.59-1-MANJARO running: yes
Sound Server-2: JACK v: 1.9.19 running: no
Sound Server-3: PulseAudio v: 15.0 running: yes
Sound Server-4: PipeWire v: 0.3.33 running: yes
Device-1: Broadcom BCM43142 802.11b/g/n vendor: Foxconn driver: wl v: kernel
port: 3040 bus-ID: 07:00.0 chip-ID: 14e4:4365 class-ID: 0280
IF: wlp7s0 state: up mac:
IP v4: type: dynamic noprefixroute scope: global
IP v6: type: noprefixroute scope: global
IP v6: type: noprefixroute scope: link
Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: Sony driver: r8169 v: kernel port: 2000 bus-ID: 0e:00.0
chip-ID: 10ec:8168 class-ID: 0200
IF: enp14s0 state: down mac:
Message: No bluetooth data found.
Message: No logical block device data found.
Message: No RAID data found.
Local Storage: total: 698.64 GiB used: 63.15 GiB (9.0%)
SMART Message: Required tool smartctl not installed. Check --recommends
ID-1: /dev/sda maj-min: 8:0 vendor: Toshiba model: MQ01ABD075
size: 698.64 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
type: HDD rpm: 5400 serial: rev: 5H scheme: GPT
Optical-1: /dev/sr0 vendor: ■■■■■■■■ model: DVD-RAM UJ8C2 rev: 1.00
dev-links: cdrom
Features: speed: 24 multisession: yes audio: yes dvd: yes
rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
ID-1: / raw-size: 698.34 GiB size: 686.31 GiB (98.28%)
used: 63.15 GiB (9.2%) fs: ext4 dev: /dev/sda2 maj-min: 8:2 label: N/A
uuid: 59084502-dbbb-45c5-b83a-6a0f88f21d05
ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
used: 288 KiB (0.1%) fs: vfat dev: /dev/sda1 maj-min: 8:1 label: NO_LABEL
uuid: CD5C-72F8
Alert: No swap data was found.
Message: No unmounted partitions found.
Hub-1: 1-0:1 info: Full speed (or root) Hub ports: 2 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Hub-2: 1-1:2 info: Intel Integrated Rate Matching Hub ports: 6 rev: 2.0
speed: 480 Mb/s chip-ID: 8087:0024 class-ID: 0900
Device-1: 1-1.3:3 info: Acer Front Camera type: Video driver: uvcvideo
interfaces: 2 rev: 2.0 speed: 480 Mb/s power: 500mA chip-ID: 5986:0543
class-ID: 0e02 serial:
Hub-3: 2-0:1 info: Full speed (or root) Hub ports: 2 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Hub-4: 2-1:2 info: Intel Integrated Rate Matching Hub ports: 6 rev: 2.0
speed: 480 Mb/s chip-ID: 8087:0024 class-ID: 0900
Hub-5: 3-0:1 info: Full speed (or root) Hub ports: 4 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Device-1: 3-1:2
info: Microsoft 2.4GHz Transceiver v8.0 used by mouse Wireless Desktop 900
type: Keyboard,Mouse,HID driver: hid-generic,usbhid interfaces: 3 rev: 2.0
speed: 12 Mb/s power: 100mA chip-ID: 045e:07b2 class-ID: 0300
Hub-6: 4-0:1 info: Full speed (or root) Hub ports: 4 rev: 3.0 speed: 5 Gb/s
chip-ID: 1d6b:0003 class-ID: 0900
System Temperatures: cpu: 57.0 C mobo: N/A
Fan Speeds (RPM): N/A
Processes: 246 Uptime: 21m wakeups: 1 Init: systemd v: 248 tool: systemctl
Compilers: gcc: 11.1.0 Packages: 1378 pacman: 1363 lib: 373 flatpak: 5
snap: 10 Shell: Bash v: 5.1.8 running-in: xfce4-terminal inxi: 3.3.06

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1 Like

ok nw can i get my answer

Ignoring my request, being impatient and demanding an answer isn’t going to make anyone more likely to help you. Please see How to Post.

Have you searched the internet? If you have, you might have run across a result like this one that might help.