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The original A13 Bios from Dell for the Inspiron 17R N7110 laptop is the Securecore Tiano locked version. I found an unlocked version from Bios mods that unlocked the Advanced Bios features to enable UEFI and subsequently GPT partiton support. The bios mod worked and I was able to install and...

Thanks again for your help RehabMan. I did that as well. I even installed Mavericks and Windows 10 (currently working and booting as normal using clover bootloader) but when I f12 to enter the boot menu, the clover.efi entries for El Capitan are still present.

Thank you P1lgrim for your assistance. I have followed those instructions to a T and still no success. I thought I could flash to stock and use legacy but still no luck in removing those entries. I even installed mavericks and windows 10 (current system state) to try and remove them using mac or...

Yes and yes. I removed the main battery and removed the CMOS battery and left it over night. Put everything back together the next day and still the same issue. I cannot seem to remove those boot entries no matter what I do. There has to be a way to get those entries out of the bios/boot menu. I...

Thanks for your help. I tried all that already. Nothing seems to work. I even reflashed the bios several times with no success. The entries still show up in the boot menu.

Yeah that is exactly my problem. I can't get into the bios to enable the UEFI option due to the clover entries. I am assuming that is the reason why my BIOS is blank when I F2 to attempt to access it. Anyway to remove the clover entries in legacy bios mode?

Ok. I ran Ubuntu 15.10 and installed efibootmgr. I run efibootmgr using sudo efibootmgr, and I get "EFI variables are not supported on this system" error.

Ok. I'll download the latest version and post my results. Thank you.

yes. Ubuntu 12.04 LTS

Ok. I followed your instruction to run efibootmgr. However, when I run efibootmgr I get "fatal: couldn't open either sysfs or procfs directories for accessing EFI variables." Remember, I can't get into the BIOS to enable UEFI boot. I have the UNIBEAST usb still available that I used to initially...

Thank you for your reply. I don't have linux installed on my system. However, I have a LiveCD for Opensuse 12.3. Is there a LiveCD available with efibootmgr that I can download and use? Or can you point me to the repository to configure so I can download via Opensuse? Thanks again for your help.

Finally had to resort to posting for assistance on this site. I have followed instructions to install El Capitan on a UEFI based system via GPT. I have since reformatted the hard drive on a Dell Inspiron 17R N7110 laptop running an Intel 2430M processor with 8GB of DDR3 memory. I have boot menu...