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All programs starting very slowly in KDE Neon Plasma 5.16.4

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maanav
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Greetings.

I am pretty noob in GNU/Linux systems. Earlier I thought that it is normal to have so long launch time for most of programs in my OS.
I've got KDE Neon last stable version with KDE Plasma 5.16.4. Here is the output of inxi -F:

Code: Select all
System:    Host: acer Kernel: 5.0.0-25-generic x86_64 bits: 64
           Desktop: KDE Plasma 5.16.4
           Distro: KDE neon User Edition 5.16
Machine:   Device: laptop System: Acer product: Aspire E5-575G v: V1.29 serial: N/A
           Mobo: Acer model: Ironman_SK v: V1.29 serial: N/A
           UEFI: Insyde v: V1.29 date: 07/21/2017
Battery    BAT1: charge: 48.5 Wh 89.0% condition: 54.4/62.2 Wh (88%)
CPU:       Dual core Intel Core i7-7500U (-MT-MCP-) cache: 4096 KB
           clock speeds: max: 3500 MHz 1: 800 MHz 2: 1896 MHz
           3: 1784 MHz 4: 1596 MHz
Graphics:  Card-1: Intel HD Graphics 620
           Card-2: NVIDIA GM107M [GeForce GTX 950M]
           Display Server: x11 (X.Org 1.19.6 )
           drivers: modesetting,nvidia (unloaded: fbdev,vesa,nouveau)
           Resolution: 1920x1080@60.01hz
           OpenGL: renderer: GeForce GTX 950M/PCIe/SSE2
           version: 4.6.0 NVIDIA 430.40
Audio:     Card Intel Sunrise Point-LP HD Audio driver: snd_hda_intel
           Sound: ALSA v: k5.0.0-25-generic
Network:   Card-1: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter
           driver: ath10k_pci
           IF: wlp3s0 state: up mac: e8:2a:44:ca:0f:61
           Card-2: Realtek RTL8111/8168/8411 PCIE Gigabit Ethernet Controller
           driver: r8169
           IF: enp4s0f1 state: down mac: d8:c4:97:14:c5:50
Drives:    HDD Total Size: 1000.2GB (5.8% used)
           ID-1: /dev/sda model: TOSHIBA_MQ04ABF1 size: 1000.2GB
Partition: ID-1: / size: 916G used: 54G (7%) fs: ext4 dev: /dev/sda2
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 66.0C mobo: N/A gpu: 55C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 224 Uptime: 36 min Memory: 2119.4/7841.9MB
           Client: Shell (bash) inxi: 2.3.56


So, as I mentioned, for example sometimes dolphin opens for 5-10 seconds, sometimes in 1-2 seconds. GIMP ~ 10-12 seconds, Libre Office 8-15 seconds. I'm asking why this happens because of 2 reasons:
1. I've seen on youtube videos in which those KDE sessions was running fast as hell, that surprised me very much.
2. While booting from Live-USB stick with Debian 10 with KDE DE on my laptop it was also very fast, everything was opening in a blink of an eye.
My Neon stands alone on the hard drive, no other systems, I chose the variant to fill entire HDD during installation.
Also I tried to turn off all visual options in desktop behavior and nothing changed. What should I do?

Sorry if the topic is in the wrong branch and thank you :)
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&N1G1M4
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I also noticed this, live via usb it is very fast, but after installation it slows down, it must be because of the hard disk that is slower than loading into memory.
maanav
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Also forgot to mention that this issue had it's place even when Neon was clean right after installation. I tend to think blame some hardware incompatibility or missing drivers but don't know hot to check it or is it really the reason.
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&N1G1M4
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maanav wrote:Also forgot to mention that this issue had it's place even when Neon was clean right after installation. I tend to think blame some hardware incompatibility or missing drivers but don't know hot to check it or is it really the reason.


Have you tried Kubuntu 18.04? It is much faster than Neon, and will rarely make hardware incompatible ;)
maanav
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&N1G1M4 wrote:
maanav wrote:Also forgot to mention that this issue had it's place even when Neon was clean right after installation. I tend to think blame some hardware incompatibility or missing drivers but don't know hot to check it or is it really the reason.


Have you tried Kubuntu 18.04? It is much faster than Neon, and will rarely make hardware incompatible ;)


Yes, same issue on kubuntu, even worse :/
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athiraj
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I think more ram and processor required for speed in linux systems. ʕ·ᴥ·ʔ


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