So I installed Haiku from a dvd and after installing my laptop boots with “No bootable device – insert boot disk and press any key.” How can I fix thsi?
I have the same problem. I tested every possibility from GPT with prepaired partitions (efi and BeFs) to MBR. Nothing worked.
I use a second USB Stick (You can use even your dvd). Directly, when the system starts to boot from dvd, press the space-key. You get a Haiku boot menu and can boot your hdd from there.
It is not the best but it works. I gave up searching a solution to boot directly into Haiku.
That probably means the bootloder wasn’t installed/is damaged, maybe try the tool writembr from the commandline or tools->write boot sector in the installer.
With using a mbr my laptop didn’t boot Haiko, neither after using writembr. Could be a problem from my laptop but other Linux systems boot with mbr.
I got Haiku now booted with a little manual work. I copied the anyboot loader (Efi folder) to an old usbstick. Then I booted GParted live distro and made a new partition label (GPT) on my hdd in my laptop.
I manually created an 200 MB (it is an usual size, less will do it also) EFI partition. After that I mounted my old stick and the EFI partition in GParted live and copied the anyboot EFI folder on my hdd. This was the most important part.
I booted in my Haiku USB stick that I used till now, started Drive Setup and created a new BeFS partition on the chosen hdd.
With the Haiku installer I installed Haiku now on my hdd.
I rebooted and finally Haiku OS booted on my laptop from hdd. Enough work for today but I’m very happy to reach this target. 
Nice job! This information could be helpful for other people in this situation. I know we want to improve the Haiku installation experience related to the booting options.
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Thank you. 
Hmm… 
That’s bad that your PC didn’t boot during the start of this topic 
So there’s an extra action idea:
You can install Windows XP also to use dual-boot between Haiku and Windows XP.
The problem is solved as I wrote before. Booting is now straight and fast.
I would never install Windows XP. It is too old and heavily oudated. I use Windows 10 for gaming. For everything else FreeBSD and sometimes Fedora Linux.
Uh… I hate 10. 
I like Windows XP better. 
