Can't login from lock screen on Xfce

I cannot log in to my laptop when the screen is locked, both automatically or manually. When i type my password from lock screen it says, password incorrect.

I have auto-login enabled. I can use my system properly in the terminal, pamac, etc with the same password without issues.

Even tty2 not working when the screen is locked, it says "Authentication failure"

This happened suddenly and I am not sure what caused this.
Can anyone help?


I'm assuming you set one password for both root and user account. Or do you have two different passwords for each account.?

If a new install, lightdm does have an annoying habit of showing "Dynamic User" rather than your usual login name. Until things settle down after post updates and configuring.

When using TTY, it asks for your login user-name, first, then password.

If any of the above suggestions fail, press Ctrl+Alt+Delete to reboot your system and investigate Power Settings and Screen Saver in Xfce system settings.

If your setting seem correct or to your satisfaction, but still experience issues run this command inxi -Fxzc0 so you may be able find the right advice.


Yes when installig I set same password for both..

It's been more than a week and system is updated, it was working properly couple of days ago

Yes, I have provided both

Providing in next reply :slight_smile:

Host: sameer-pc Kernel: 4.19.62-1-MANJARO x86_64 bits: 64 compiler: gcc
v: 9.1.0 Desktop: Xfce 4.13.6 Distro: Manjaro Linux
Type: Laptop System: LENOVO product: 80E5 v: Lenovo G50-80
Mobo: LENOVO model: Lenovo G50-80 v: SDK0J40679 WIN serial:
UEFI [Legacy]: LENOVO v: B0CN97WW date: 01/08/2016
ID-1: BAT0 charge: 4.3 Wh condition: 33.3/37.6 Wh (89%)
model: Lenovo IdeaPad status: Discharging
Topology: Dual Core model: Intel Core i3-5005U bits: 64 type: MT MCP
arch: Broadwell rev: 4 L2 cache: 3072 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
bogomips: 15969
Speed: 799 MHz min/max: 500/1900 MHz Core speeds (MHz): 1: 798 2: 798
3: 799 4: 798
Device-1: Intel HD Graphics 5500 vendor: Lenovo driver: i915 v: kernel
bus ID: 00:02.0
Device-2: AMD Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430 /
Radeon 520 Mobile]
vendor: Lenovo driver: radeon v: kernel bus ID: 04:00.0
Display: x11 server: X.Org 1.20.5 driver: ati,intel,radeon
unloaded: modesetting resolution: 1366x768~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 5500 (Broadwell GT2)
v: 4.5 Mesa 19.1.3 direct render: Yes
Device-1: Intel Broadwell-U Audio vendor: Lenovo driver: snd_hda_intel
v: kernel bus ID: 00:03.0
Device-2: Intel Wildcat Point-LP High Definition Audio vendor: Lenovo
driver: snd_hda_intel v: kernel bus ID: 00:1b.0
Sound Server: ALSA v: k4.19.62-1-MANJARO
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: Lenovo driver: r8168 v: 8.047.02-NAPI port: 4000 bus ID: 02:00.0
IF: enp2s0 state: down mac:
Device-2: Intel Wireless 3160 driver: iwlwifi v: kernel port: 4000
bus ID: 03:00.0
IF: wlp3s0 state: up mac:
Local Storage: total: 409.88 GiB used: 97.14 GiB (23.7%)
ID-1: /dev/sda vendor: Gigabyte model: GP-GSTFS31120GNTD size: 111.79 GiB
ID-2: /dev/sdb vendor: Toshiba model: MQ01ACF032 size: 298.09 GiB
ID-1: / size: 38.65 GiB used: 27.22 GiB (70.4%) fs: ext4 dev: /dev/sda1
ID-2: /home size: 62.85 GiB used: 30.10 GiB (47.9%) fs: ext4
dev: /dev/sda2
ID-3: swap-1 size: 7.91 GiB used: 8.5 MiB (0.1%) fs: swap dev: /dev/sda3
System Temperatures: cpu: 45.0 C mobo: N/A gpu: radeon temp: 42 C
Fan Speeds (RPM): N/A
Processes: 200 Uptime: 37m Memory: 7.71 GiB used: 1.84 GiB (23.8%)
Init: systemd Compilers: gcc: 9.1.0 Shell: bash v: 5.0.7 inxi: 3.0.35

I can only suggest a temporary solution, but it will require someone who has experienced this issue first hand to guide you.

Go to Power Manager:

General - When laptop lid is closed "Lock screen" change to "Switch of screen"

Security - "Never" Automatically lock the session and unclick "Lock screen when system is going to sleep".


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