The problem is that you have "nomodeset" on your kernel command line.
This might have been put there if you have previously experimented with
Nvidia cards...
To fix the problem just:
1. Edit /etc/default/grub and delete the word "nomodeset".
2. Run: sudo update-initramfs
3. Reboot.
** Summary changed:
- not able to get actual screen resolution
+ [i915] [Intel Q33] Stuck with low resolution 640x480 only
** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu)
** Changed in: xorg-server (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1788319
Title:
[i915] [Intel Q33] Stuck with low resolution 640x480 only
Status in xorg-server package in Ubuntu:
Invalid
Bug description:
my actual screen resolution was fine when i installed ubuntu but after
an update and restart i am not stuck with 640x400, I am not able to
change it to anything better. I have also tried multiple monitors.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
Uname: Linux 4.15.0-32-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Aug 21 18:17:31 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation 82Q33 Express Integrated Graphics Controller [8086:29d2]
(rev 02) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company 82Q33 Express Integrated Graphics
Controller [103c:281e]
InstallationDate: Installed on 2018-08-21 (0 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
MachineType: Hewlett-Packard HP Compaq dc5800 Small Form Factor
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic
root=UUID=16a50ee7-8ea6-4158-97f5-89f54516ba7b ro acpi=off noapic nolapic
edd=on nodmraid nomodeset quiet splash vt.handoff=1
Renderer: Software
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/11/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786F2 v01.06
dmi.board.asset.tag: CAC84701FK
dmi.board.name: 2820h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: CAC84701FK
dmi.chassis.type: 4
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr786F2v01.06:bd03/11/2008:svnHewlett-Packard:pnHPCompaqdc5800SmallFormFactor:pvr:rvnHewlett-Packard:rn2820h:rvr:cvnHewlett-Packard:ct4:cvr:
dmi.product.family: 103C_53307F
dmi.product.name: HP Compaq dc5800 Small Form Factor
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
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