GRUB: unable to boot netbook with USB/SD card
I desperately need help. I have an unbranded netbook (N270, 1GB RAM, 160GB HDD, no disk drive).
This netbook had a strange, unusable Linux installation, which did not allow any possibility to modify anything on the machine. I could not even use F2 to get into the BIOS. F2 was the only key I could use to get a boot device option.
I wanted to wipe off that Linux installation and install Windows 7 (reading some instruction from the net, using USB drive or SD card). I have done a similar installation on another netbook and it worked OK.
On this machine though, I could only see "GRUB" when I tried to boot using USB or SD card.
Later, I used UNetBootIn on SD card to load Ubuntu LiveCD. This time it worked and I though of installing Ubuntu on this machine instead of Windows7. I chose to use the entire HDD, therby, wiping the old original Linux installation. The installation went well and I wanted to start Ubuntu from the HDD. But it only ended up in a "C" with a blinking cursor. Laterwhen I tried to boot from the same UNetBootIn SD card, all I get is a "GRUB" with nothing else. The same happens when I try to boot from the USB drive with the Windows 7.
I need help urgently, as I feel, I am left with no bootable OS on the netbook, no way to get into the BIOS, no possibility to boot from USB or SD card.