(No Windows Involved. I am not Dual-booting. Laptop originally shipped with Windows 7 installed in MBR mode).
I can successfully install 12.10 on MBR.
Hardware is a Dell Inspiron 7520, with Bios revision A09.
Bios menu software is Insydh20.
(Edit: I have Secure Boot DISABLED).
The "Boot" menu has a couple of options, one for <UEFI> or <Legacy> boot, and with <UEFI> selected, there is a "Legacy Option ROM" that can be enabled or disabled.
In UEFI mode, if there is a bootable DVD in the DVD drive, the system seems to hunt forever (well-over 30 seconds, often, never does make it to the boot-menu, when pressing F12), and will not boot. If I select the "Legacy" item from the boot menu (DVD drive), it begins to boot, but hangs on "Checking Media [Failed]".
I have more success with USB stick "Live CD". In UEFI mode, with the Legacy Option ROM enabled, I am presented with a Boot Menu of:
LEGACY BOOT:
Hard Drive
USB Storage Device
CD/DVD/CD-RW Drive
Network
UEFI BOOT:
EFI USB1 PATH1 (KingstonDataTraveler SE9).
(I built this boot disk with Unetbootin, laying down the .iso for 12.10 64 bit).
This lets me boot from either the USB Storage Device, or the EFI USB1 PATH1 device.
If I boot to the EFI USB1 PATH1 device, and perform an install, it formats the drive as a gpt partition, and fails about 3/4 the way through, attempting to install grub to /target/.
If I boot via the Legacy USB Storage Device item, I can perform an install, and it formats the drive as an MBR partition, and finishes and succeeds.
I have read, here: ( http://community.linuxmint.com/tutorial/view/858 ), that this is because of how the USB "persistenz" works? (I don't think I understand this).
That user suggested to try to install via DVD. But I can't get the DVD to be recognized in UEFI mode.
I have tried Boot-Repair, but it did not fix the problem.
I believe that GPARTED should be able to convert the installation (partition) from MBR to GPT. Is this true? I can't seem to find the menu selection that allows that in GPARTED.
I can successfully install 12.10 on MBR.
Hardware is a Dell Inspiron 7520, with Bios revision A09.
Bios menu software is Insydh20.
(Edit: I have Secure Boot DISABLED).
The "Boot" menu has a couple of options, one for <UEFI> or <Legacy> boot, and with <UEFI> selected, there is a "Legacy Option ROM" that can be enabled or disabled.
In UEFI mode, if there is a bootable DVD in the DVD drive, the system seems to hunt forever (well-over 30 seconds, often, never does make it to the boot-menu, when pressing F12), and will not boot. If I select the "Legacy" item from the boot menu (DVD drive), it begins to boot, but hangs on "Checking Media [Failed]".
I have more success with USB stick "Live CD". In UEFI mode, with the Legacy Option ROM enabled, I am presented with a Boot Menu of:
LEGACY BOOT:
Hard Drive
USB Storage Device
CD/DVD/CD-RW Drive
Network
UEFI BOOT:
EFI USB1 PATH1 (KingstonDataTraveler SE9).
(I built this boot disk with Unetbootin, laying down the .iso for 12.10 64 bit).
This lets me boot from either the USB Storage Device, or the EFI USB1 PATH1 device.
If I boot to the EFI USB1 PATH1 device, and perform an install, it formats the drive as a gpt partition, and fails about 3/4 the way through, attempting to install grub to /target/.
If I boot via the Legacy USB Storage Device item, I can perform an install, and it formats the drive as an MBR partition, and finishes and succeeds.
I have read, here: ( http://community.linuxmint.com/tutorial/view/858 ), that this is because of how the USB "persistenz" works? (I don't think I understand this).
That user suggested to try to install via DVD. But I can't get the DVD to be recognized in UEFI mode.
I have tried Boot-Repair, but it did not fix the problem.
I believe that GPARTED should be able to convert the installation (partition) from MBR to GPT. Is this true? I can't seem to find the menu selection that allows that in GPARTED.