[Bug 1887750] [NEW] repeating errors and very slow startup

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I'm completely new to Linux. Installed it just a couple of days ago. in the logs I get the errors "rtw_pci 0000:03:00.0: failed to send h2c command" and different "ACPI errors" every couple of minutes + they also appears while booting and the boot itself takes a long time to load, I have to wait 10-15 seconds before and after entering my password.
these errors started appearing right after a fresh installation.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.18
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Thu Jul 16 08:36:13 2020
InstallationDate: Installed on 2020-07-14 (1 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade focal third-party-packages
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repeating errors and very slow startup
https://bugs.launchpad.net/bugs/1887750
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