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Can't boot Ubuntu 16.04 Recovery Image
I'm not able to boot Dell Hosted Recovery Image media for Ubuntu 16.04: UEFI boot menu doesn't have option for that media, while booting in legacy BIOS mode gives errors about missing or corrupt isolinux.bin. Can this be related to the fact that the image I've downloaded fails MD5 sum checks for some of its files?
Recovery Image: UBUNTU 16.04 Recovery Image for Latitude 5280/5480/5580
$ sudo mount -o loop dell-bto-xenial-breckenridge-12-14-15-p-A00-iso-20161123-0.iso /mnt
mount: /dev/loop0 is write-protected, mounting read-only
$ cd /mnt
$ md5sum --quiet -c md5sum.txt
./.disk/casper-uuid: FAILED
./boot/grub/efi.img: FAILED
./boot/grub/grub.cfg: FAILED
./casper/initrd.lz: FAILED
./casper/vmlinuz: FAILED
./casper/vmlinuz.efi: FAILED
md5sum: WARNING: 6 lines are improperly formatted
md5sum: WARNING: 6 computed checksums did NOT match
This Dell Hosted image is not bootable on my Latitude 5580 or any other hardware I tried it on, but Recovery Disk that I made during first boot of the newly purchased Latitude 5580 does not have any booting issues.
flacfan
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August 29th, 2017 10:00
Dell Recovery created image shows similar issues and cannot boot
sudo mount -o loop ~/Downloads/ubuntu-16.04-amd64-dell_A00.iso /mnt/
mount: /dev/loop0 is write-protected, mounting read-only
md5sum -c --quiet md5sum.txt
./.disk/casper-uuid: FAILED
./casper/initrd.lz: FAILED
./casper/vmlinuz: FAILED
./casper/vmlinuz.efi: FAILED
md5sum: ./isolinux/isolinux.cfg: No such file or directory
./isolinux/isolinux.cfg: FAILED open or read
md5sum: ./isolinux/ldlinux.c32: No such file or directory
./isolinux/ldlinux.c32: FAILED open or read
md5sum: ./isolinux/libcom32.c32: No such file or directory
./isolinux/libcom32.c32: FAILED open or read
md5sum: ./isolinux/libutil.c32: No such file or directory
./isolinux/libutil.c32: FAILED open or read
md5sum: ./isolinux/live.cfg: No such file or directory
./isolinux/live.cfg: FAILED open or read
md5sum: ./isolinux/menu.cfg: No such file or directory
./isolinux/menu.cfg: FAILED open or read
md5sum: ./isolinux/splash.png: No such file or directory
./isolinux/splash.png: FAILED open or read
md5sum: ./isolinux/stdmenu.cfg: No such file or directory
./isolinux/stdmenu.cfg: FAILED open or read
md5sum: ./isolinux/vesamenu.c32: No such file or directory
./isolinux/vesamenu.c32: FAILED open or read
md5sum: WARNING: 6 lines are improperly formatted
md5sum: WARNING: 9 listed files could not be read
md5sum: WARNING: 4 computed checksums did NOT match
Mine is a Precision 7520
Naks
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May 29th, 2018 12:00
Cannonical Non-dell customised UBUNTU 18.04 Bionic LTS (stable)
Link with latest updates pre-installed:
http://cdimage.ubuntu.com/bionic/daily-live/
U will see a folder with today's date, open it (DONT OPEN YESTERDAY"S FOLDER)
Download file : bionic-desktop-amd64.iso
These are generic ISOs released by Canonical, and works pretty well on my system.
Dell customised Ubuntu images are not listed in their servers, hence u will be unable to dwnld ( even if u had ubuntu out of the box)
I am in contact with Advanced Resolution Team & they're on it!!
For now, satisfy ur thirst with the link I gave^