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My laptop has an SSD and a HDD. There is now no OS on my laptop.

Before I had installed Fedora 18 successfully (it was only on the SSD). Then I made some mistakes and the OS broke. Now I want to reinstall it.

This time I will install / and swap on SSD and /home on the HDD. When I partitioned the drives I choose ssd to be bootable. The installation succeeded but I cannot start it. It just shows a black screen with a cursor blinking in the top-left corner.

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did you try ctrl+alt+f1 to login in fedora root mode? the matter is where /boot/grub/grub.conf is located it should be on SSD drive that is marked as boot – Yurij73 May 4 '13 at 17:54
in rescue mode or from liveCD shell grub-install --boot-directory=/mnt/newroot/boot /dev/your_ssd_device – Yurij73 May 4 '13 at 18:47
up vote 1 down vote accepted

You have to install /boot on the drive which boots earlier, so make sure it is on the correct drive.

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Yeah, you answer is right. This kind of laptop has a ssd and hdd. But they act as a large ssd. And by default it boots from the hdd and can only boot from it. So I have to put /boot on the hdd or put the whole system on the ssd. – zhangyangyu May 5 '13 at 2:31

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