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#1 2016-02-21 18:08:16

fanisg
Member
Registered: 2014-07-02
Posts: 42

black screen when laptop goes to sleep

I upgraded a few days ago to plasma 5 and when I  leave alone the laptop, I just stuck because when I press anything it only shows for just a blink the image that is awakening and then the screen goes completely black and just refuses to show anything. I cant even go to a virtual terminal (tty) as the screen remains black, (although it seems that pressing ctrl+alt+F2 and then ctrl+alt+del reboots)

I am very disappointed  sad

my system

> inxi -SMCGANI
System:    Host: erebus Kernel: 4.4.1-2-ARCH x86_64 (64 bit) Desktop: KDE Plasma 5.5.4 Distro: Arch Linux
Machine:   System: Acer product: Aspire V5-573
           Mobo: Acer model: Dazzle_HW v: Type2 - A01 Board Version Bios: Insyde v: V2.22 date: 09/30/2013
CPU:       Dual core Intel Core i5-4200U (-HT-MCP-) cache: 3072 KB 
           clock speeds: max: 2600 MHz 1: 1600 MHz 2: 1727 MHz 3: 1259 MHz 4: 1631 MHz
Graphics:  Card: Intel Haswell-ULT Integrated Graphics Controller
           Display Server: X.Org 1.18.1 driver: intel Resolution: 1366x768@60.02hz
           GLX Renderer: Mesa DRI Intel Haswell Mobile GLX Version: 3.0 Mesa 11.1.2
Audio:     Card-1 Intel 8 Series HD Audio Controller driver: snd_hda_intel Sound: ALSA v: k4.4.1-2-ARCH
           Card-2 Intel Haswell-ULT HD Audio Controller driver: snd_hda_intel
Network:   Card-1: Qualcomm Atheros AR9462 Wireless Network Adapter driver: ath9k
           Card-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169
Info:      Processes: 180 Uptime: 25 min Memory: 2024.6/3836.9MB Client: Shell (fish) inxi: 2.2.33 

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#2 2016-02-26 06:45:24

robster
Member
From: Sydney, Australia
Registered: 2016-02-14
Posts: 15

Re: black screen when laptop goes to sleep

Try pressing the [esc] key, works for me.


Over 60 and very much a Linux newbie.

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#3 2016-03-09 09:49:52

fanisg
Member
Registered: 2014-07-02
Posts: 42

Re: black screen when laptop goes to sleep

robster wrote:

Try pressing the [esc] key, works for me.

No, unfortunately [esc] does not work. Things have got a lot better after some updates but problem is not completely gone. What does work is pulling the monitor down so the laptop goes to real sleep, then pushing the monitor up again wakes the laptop again, this time for real.

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