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Can't boot from HD, DVD no problem (Secure Boot?)

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I have a problem that can be described similarly as the OP of this thread, though the situation seems to be different somewhat, hence my reason for posting a new thread. The situation is as follows:

I've purchased a new system on which I want to run openSUSE 13.1. The system is manufactured by Acer and is a Aspire TC-603. It's not a laptop but a tower model. It came pre-installed with Windows 8 so I expected Secure Boot to be present and sure enough, it is. I didn't want to dual boot the system because I don't use Windows so I set about looking for ways to completely disable Secure Boot so I could install openSUSE unmolested. Acer was helpful enough to provide the following way to turn off Secure Boot in the BIOS: Windows 8 Desktops - How to disable Secure Boot.
I followed those instructions and following that, I could boot from the install DVD and access the installer.

I proceeded to use the installer to completely repartition the disk to suit my needs, removing all partitions present. I set up encrypted partitions for the areas that can/will hold data. I then went through the installer and pretty much accepted all the defaults. OpenSUSE installed without complaints or problems and rebooted as is normal. However, the system appears to be unable to find Grub2. The system sits there only showing a cursor flashing in the top left position of the screen.
Booting from the install DVD works though and if I select the option there to boot from HD, openSUSE start normally and I can work with the system.

My question is: what step have I missed or where did I go wrong to enable booting from the HD? More importantly, is there a fix that I can use without having to install openSUSE again?

Here is the output from parted for the disk concerned.

Code:

# parted -l
Model: ATA ST1000DM003-1CH1 (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt

Number  Start  End    Size    File system  Name    Flags
 1      735MB  2887MB  2152MB              primary
 2      2887MB  35.1GB  32.2GB  ext4        primary  boot, legacy_boot
 3      35.1GB  45.8GB  10.7GB              primary
 4      45.8GB  56.6GB  10.7GB              primary
 5      56.6GB  1000GB  944GB                primary


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