Comment 0 for bug 1768232

lspci -nnk | grep -iA2 vga
00:02.0 VGA compatible controller [0300]: Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev 02)
    Subsystem: Hewlett-Packard Company 82945G/GZ Integrated Graphics Controller [103c:302a]
    Kernel modules: i915, intelfb

and

xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1024 x 768, current 1024 x 768, maximum 1024 x 768
default connected primary 1024x768+0+0 0mm x 0mm
   1024x768 76.00*

Output of sudo lshw -c display

*-display UNCLAIMED
       description: VGA compatible controller
       product: 82945G/GZ Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 32 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list
       configuration: latency=0
       resources: memory:e2000000-e207ffff ioport:c000(size=8) memory:d0000000-dfffffff memory:e2080000-e20bffff memory:c0000-dffff

I've tried solution 1 and solution 2 but no success.

This issue occurred only after installing it, not when I choose 'Try without Installing', I don't need to set nomodeset in that case.

Intel Graphics Update Tool shows:

Checking if Intel graphics card available...
  • checking for i915 module in /sys/module
  • i915 module found
Checking if Intel graphics card available... OK
Retrieving information from 01.org...
  • fetching https://download.01.org/gfx/ilg-config.cfg
  • saving to /home/garden/.ilg-config
  • fetched 1626 bytes
  • fetched 9818 bytes
  • fetched 12301 bytes
  • looking up [Ubuntu bionic] configuration
Retrieving information from 01.org... OK
Checking distribution... Failed

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue May 1 17:16:20 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
 Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company 82945G/GZ Integrated Graphics Controller [103c:302a]
InstallationDate: Installed on 2018-05-01 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: Hewlett-Packard HP dx2080 MT(KS826PA)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_IN
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic root=UUID=7ec4f610-9b62-44f3-867d-01abd93de14d ro quiet splash nomodeset vt.handoff=1
Renderer: Software
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
XorgConf:
 Section "Device"
  Identifier "Intel Graphics"
  Driver "intel"
  Option "AccelMethod" "uxa"
 EndSection
dmi.bios.date: 11/28/2007
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: V1.03
dmi.board.name: 0AD8h
dmi.board.vendor: Board Manufacturer
dmi.chassis.asset.tag: INA8100LFY
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrV1.03:bd11/28/2007:svnHewlett-Packard:pnHPdx2080MT(KS826PA):pvr:rvnBoardManufacturer:rn0AD8h:rvr:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: HP dx2080 MT(KS826PA)
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91+git1804271336.50426f~oibaf~b
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2~git1804301930.1c5f4f~oibaf~b
version.libgl1-mesa-glx: libgl1-mesa-glx 18.2~git1804301930.1c5f4f~oibaf~b
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