Thread: Ubuntu won't boot - Gets stuck and black screen!

hi, i've installed ubuntu 12.04 , has been working well. i've got dvb tv working got nexus 4 loading after shut down started boot ok gave breif error message did not have time see , stuck on black screen , whenever try boot gets stuck , shows black screen.

ideas do?

plus have wifi hotspot off phone interent can't use internet fix until boots.

impressed how ubuntu's come on driver compatability since last gave go being likes easy life maybe should still stick widows 7 , give couple of years!

help

+ bootinfoscript

# boot info script 0.61 [1 april 2012]


============================= boot info summary: ===============================

=> grub2 (v1.99) installed in mbr of /dev/sda , looks @ sector 1 of
same hard drive core.img. core.img @ location , looks
(,msdos6)/boot/grub on drive.
=> syslinux mbr (4.04 , higher) installed in mbr of /dev/sdb.

sda1: __________________________________________________ ________________________

file system: ntfs
boot sector type: windows vista/7: ntfs
boot sector info: no errors found in boot parameter block.
operating system:
boot files: /bootmgr /boot/bcd

sda2: __________________________________________________ ________________________

file system: ntfs
boot sector type: windows vista/7: ntfs
boot sector info: no errors found in boot parameter block.
operating system: windows 7
boot files: /windows/system32/winload.exe

sda3: __________________________________________________ ________________________

file system: extended partition
boot sector type: unknown
boot sector info:

sda5: __________________________________________________ ________________________

file system: swap
boot sector type: -
boot sector info:

sda6: __________________________________________________ ________________________

file system: ext4
boot sector type: -
boot sector info:
operating system: ubuntu 12.04.2 lts
boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img

sdb1: __________________________________________________ ________________________

file system: vfat
boot sector type: syslinux 4.06 2012-10-23
boot sector info: syslinux looks @ sector 8200 of /dev/sdb1
second stage. syslinux installed in directory.
integrity check of adv area failed. no errors
found in boot parameter block.
operating system:
boot files: /boot/grub/grub.cfg /syslinux/syslinux.cfg
/efi/boot/grubx64.efi /ldlinux.sys

============================ drive/partition info: =============================

drive: sda __________________________________________________ ___________________

disk /dev/sda: 160.0 gb, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
units = sectors of 1 * 512 = 512 bytes
sector size (logical/physical): 512 bytes / 512 bytes

partition boot start sector end sector # of sectors id system

/dev/sda1 * 2,048 206,847 204,800 7 ntfs / exfat / hpfs
/dev/sda2 206,848 273,642,261 273,435,414 7 ntfs / exfat / hpfs
/dev/sda3 273,643,518 312,580,095 38,936,578 5 extended
/dev/sda5 306,700,288 312,580,095 5,879,808 82 linux swap / solaris
/dev/sda6 273,643,520 306,700,287 33,056,768 83 linux


drive: sdb __________________________________________________ ___________________

disk /dev/sdb: 1041 mb, 1041760256 bytes
33 heads, 61 sectors/track, 1010 cylinders, total 2034688 sectors
units = sectors of 1 * 512 = 512 bytes
sector size (logical/physical): 512 bytes / 512 bytes

partition boot start sector end sector # of sectors id system

/dev/sdb1 * 61 2,033,129 2,033,069 b w95 fat32


"blkid" output: __________________________________________________ ______________

device uuid type label

/dev/loop0 squashfs
/dev/sda1 7ab80cb7b80c73c3 ntfs system reserved
/dev/sda2 7a100fbc100f7dff ntfs
/dev/sda5 3a7b4a15-69bb-4f88-bb59-ce877de3015a swap
/dev/sda6 b8aa3100-5120-4a08-b0ec-b5a8d2c815f9 ext4
/dev/sdb1 f294-1701 vfat

================================ mount points: =================================

device mount_point type options

/dev/loop0 /rofs squashfs (ro,noatime)
/dev/sdb1 /cdrom vfat (rw,relatime,fmask=0022,dmask=0022,codepage=cp437, iocharset=iso8859-1,shortname=mixed,errors=remount-ro)


=========================== sda6/boot/grub/grub.cfg: ===========================

--------------------------------------------------------------------------------
#
# not edit file
#
# automatically generated grub-mkconfig using templates
# /etc/grub.d , settings /etc/default/grub
#

### begin /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi

function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}

function recordfail {
set recordfail=1
if [ -n "${have_grubenv}" ]; if [ -z "${boot_once}" ]; save_env recordfail; fi; fi
}

function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}

insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
set locale_dir=($root)/boot/grub/locale
set lang=en_gb
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### end /etc/grub.d/00_header ###

### begin /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30; then
clear
fi
### end /etc/grub.d/05_debian_theme ###

### begin /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=7
else
set vt_handoff=
fi
}
if [ "${recordfail}" != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "${linux_gfx_mode}" != "text" ]; load_video; fi
menuentry 'ubuntu, linux 3.5.0-27-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
linux /boot/vmlinuz-3.5.0-27-generic root=uuid=b8aa3100-5120-4a08-b0ec-b5a8d2c815f9 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.5.0-27-generic
}
menuentry 'ubuntu, linux 3.5.0-27-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
echo 'loading linux 3.5.0-27-generic ...'
linux /boot/vmlinuz-3.5.0-27-generic root=uuid=b8aa3100-5120-4a08-b0ec-b5a8d2c815f9 ro recovery nomodeset
echo 'loading initial ramdisk ...'
initrd /boot/initrd.img-3.5.0-27-generic
}
submenu "previous linux versions" {
menuentry 'ubuntu, linux 3.5.0-23-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
linux /boot/vmlinuz-3.5.0-23-generic root=uuid=b8aa3100-5120-4a08-b0ec-b5a8d2c815f9 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.5.0-23-generic
}
menuentry 'ubuntu, linux 3.5.0-23-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod gzio
insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
echo 'loading linux 3.5.0-23-generic ...'
linux /boot/vmlinuz-3.5.0-23-generic root=uuid=b8aa3100-5120-4a08-b0ec-b5a8d2c815f9 ro recovery nomodeset
echo 'loading initial ramdisk ...'
initrd /boot/initrd.img-3.5.0-23-generic
}
}
### end /etc/grub.d/10_linux ###

### begin /etc/grub.d/20_linux_xen ###
### end /etc/grub.d/20_linux_xen ###

### begin /etc/grub.d/20_memtest86+ ###
menuentry "memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
linux16 /boot/memtest86+.bin
}
menuentry "memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(hd0,msdos6)'
search --no-floppy --fs-uuid --set=root b8aa3100-5120-4a08-b0ec-b5a8d2c815f9
linux16 /boot/memtest86+.bin console=ttys0,115200n8
}
### end /etc/grub.d/20_memtest86+ ###

### begin /etc/grub.d/30_os-prober ###
menuentry "windows 7 (loader) (on /dev/sda1)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set=root 7ab80cb7b80c73c3
chainloader +1
}
### end /etc/grub.d/30_os-prober ###

### begin /etc/grub.d/30_uefi-firmware ###
### end /etc/grub.d/30_uefi-firmware ###

### begin /etc/grub.d/40_custom ###
# file provides easy way add custom menu entries. type the
# menu entries want add after comment. careful not change
# 'exec tail' line above.
### end /etc/grub.d/40_custom ###

### begin /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### end /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------

=============================== sda6/etc/fstab: ================================

--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# use 'blkid' print universally unique identifier a
# device; may used uuid= more robust way name devices
# works if disks added , removed. see fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / on /dev/sda6 during installation
uuid=b8aa3100-5120-4a08-b0ec-b5a8d2c815f9 / ext4 errors=remount-ro 0 1
# swap on /dev/sda5 during installation
uuid=3a7b4a15-69bb-4f88-bb59-ce877de3015a none swap sw 0 0
/dev/sr0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0
--------------------------------------------------------------------------------

=================== sda6: location of files loaded grub: ====================

gib - gb file fragment(s)

= boot/grub/core.img 1
= boot/grub/grub.cfg 1
= boot/initrd.img-3.5.0-23-generic 1
= boot/initrd.img-3.5.0-27-generic 1
= boot/vmlinuz-3.5.0-23-generic 1
= boot/vmlinuz-3.5.0-27-generic 1
= initrd.img.old 1
= vmlinuz 1
= vmlinuz.old 1

=========================== sdb1/boot/grub/grub.cfg: ===========================

--------------------------------------------------------------------------------

if loadfont /boot/grub/font.pf2 ; then
set gfxmode=auto
insmod efi_gop
insmod efi_uga
insmod gfxterm
terminal_output gfxterm
fi

set menu_color_normal=white/black
set menu_color_highlight=black/light-gray

menuentry "try ubuntu without installing" {
set gfxpayload=keep
linux /casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash --
initrd /casper/initrd.lz
}
menuentry "install ubuntu" {
set gfxpayload=keep
linux /casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash --
initrd /casper/initrd.lz
}
menuentry "check disc defects" {
set gfxpayload=keep
linux /casper/vmlinuz.efi boot=casper integrity-check quiet splash --
initrd /casper/initrd.lz
}
--------------------------------------------------------------------------------

========================= sdb1/syslinux/syslinux.cfg: ==========================

--------------------------------------------------------------------------------
# d-i config version 2.0
include menu.cfg
default vesamenu.c32
prompt 0
timeout 50
ui gfxboot bootlogo
--------------------------------------------------------------------------------

=================== sdb1: location of files loaded grub: ====================

gib - gb file fragment(s)

?? = ?? boot/grub/grub.cfg 1

================= sdb1: location of files loaded syslinux: ==================

gib - gb file fragment(s)

?? = ?? ldlinux.sys 1
?? = ?? syslinux/chain.c32 1
?? = ?? syslinux/gfxboot.c32 1
?? = ?? syslinux/menu.c32 1
?? = ?? syslinux/syslinux.cfg 1
?? = ?? syslinux/vesamenu.c32 1

============== sdb1: version of com32(r) files used syslinux: ===============

syslinux/chain.c32 : com32r module (v4.xx)
syslinux/gfxboot.c32 : com32r module (v4.xx)
syslinux/menu.c32 : com32r module (v4.xx)
syslinux/vesamenu.c32 : com32r module (v4.xx)

======================== unknown mbrs/boot sectors/etc: ========================

unknown bootloader on sda3

00000000 4d 38 bd 53 48 28 ac df a2 33 04 1a 4f 17 a9 e1 |m8.sh(...3..o...|
00000010 28 ab 45 ac ad e0 2d ce eb 06 a9 40 ee 4a 16 13 |(.e...-....@.j..|
00000020 46 86 8e 01 28 b4 16 e2 f2 8a 89 33 43 8a b9 a0 |f...(......3c...|
00000030 97 17 82 51 6b ec d0 94 b5 15 0a d0 9c ec 75 |...qk..........u|
00000040 71 48 06 ac 51 54 1a c5 c5 ee b6 48 17 9b 2d |qh..qt.....h...-|
00000050 29 32 12 12 f0 ef 40 ea e2 ad 9c bb 1e f9 76 af |)2....@.......v.|
00000060 0f 8c 07 a3 01 f0 80 71 14 07 d4 37 5a 96 b3 |........q...7z..|
00000070 6a b3 0f 70 f6 17 8e 2c b4 bf eb c7 b6 d9 7f 1d |j..p...,........|
00000080 90 cb f2 d4 43 41 e9 31 4b 18 87 93 19 85 8c 94 |....ca.1k.......|
00000090 1a 1f 1f 72 f4 f6 db 97 8b 7a db 43 c8 3e 9b 76 |...r.....z.c.>.v|
000000a0 21 52 da 9f f8 d2 fa d8 50 b8 2c aa e9 2d c5 72 |!r......p.,..-.r|
000000b0 7d c9 95 6a 7b e3 65 86 2e b6 a0 ae 19 c3 b8 1f |}..j{.e.........|
000000c0 4a f0 0d 0e 16 2d f6 27 9b f2 af 0b 6d d3 4c 9e |j....-.'....m.l.|
000000d0 b4 2b 8d c8 8e 61 15 a6 66 0f b0 f0 67 8f a8 ba |.+...a..f...g...|
000000e0 d6 fc 7e 2c a3 5f c6 9b f4 86 ce e1 25 4e 70 e1 |..~,._......%np.|
000000f0 e7 72 4b 06 28 df a1 da 53 fd 42 c7 7c c9 8a |.rk.(...s.b..|..|
00000100 db 7f f8 d9 a9 25 b1 0f 53 b8 70 38 73 87 b8 7b |.....%..s.p8s..{|
00000110 97 bf 2a d3 db 6c 9f 4d 37 59 7c 52 1a d5 a0 f5 |..*..l.m7y|r....|
00000120 99 bf 88 1e a2 74 2c 19 ef 3e 55 35 11 8a 6d b4 |.....t,..>u5..m.|
00000130 d3 4e 3e 5f 0a 42 64 68 d1 b6 64 93 aa 58 e1 da |.n>_.bdh..d..x..|
00000140 82 8f 93 e7 a8 f7 e3 b6 dd 3f cc 82 98 64 c3 f6 |.........?...d..|
00000150 f1 fe 0f f4 9c 7c 4e f9 fb 4b bb ba 2b f8 29 c4 |.....|n..k..+.).|
00000160 91 6c 40 f4 81 d5 67 83 87 83 8d d5 57 ec c1 5e |.l@...g.....w..^|
00000170 90 a3 10 3c 1e f0 1c fa 78 0e 1e 0e 5f e8 a8 b6 |...<....x..._...|
00000180 23 28 d8 8c 99 85 13 a3 7c 45 c2 d9 6d 6a cb 7d |#(......|e..mj.}|
00000190 6d 1f 31 fe db 69 ff c3 b6 ec f7 ed 9f dd 6d 52 |m.1..i........mr|
000001a0 bd 75 fa 42 a4 1b aa 37 5b 69 0a de e9 06 19 61 |.u.b...7[i.....a|
000001b0 0c 0b 19 91 43 3c 3a d7 2f b1 47 82 d1 a1 00 fe |....c<:./.g.....|
000001c0 ff ff 82 fe ff ff 02 68 f8 01 00 b8 59 00 00 fe |.......h....y...|
000001d0 ff ff 05 fe ff ff 01 00 00 00 01 68 f8 01 00 00 |...........h....|
000001e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............u.|
00000200


========= devices don't seem have corresponding hard drive: =========

sdc

=============================== stderr messages: ===============================

xz: (stdin): compressed data corrupt
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
awk: cmd. line:36: math support not compiled in
/home/ubuntu/desktop/bootinfoscript: line 1646: [: 2.73495e+09: integer expression expected#

can root shell? ctrl+alt+f1? there verify graphics driver working. black screen @ boot mean gpu driver problem.

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