Not able to install Ubuntu on my Laptop disk saying bootloader cannot be initialized

[Gyanendra Singh]

Not able to install Ubuntu on my Laptop disk it's saying saying bootloader cannot be initialized.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.20
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24
Uname: Linux 3.2.0-29-generic-pae i686
NonfreeKernelModules: wl
ApportVersion: 2.0.1-0ubuntu12
Architecture: i386
CasperVersion: 1.315
Date: Wed Oct 10 17:29:15 2012
InstallCmdLine: noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper persistent initrd=/casper/initrd.lz splash -- BOOT_IMAGE=/casper/vmlinuz
LiveMediaBuild: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)
ProcEnviron:
 LANGUAGE=en_IN
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.