Solve : multiple operating system but only boot's to one?

1.	Solve : multiple operating system but only boot's to one?
Answer» a m8 has suggested to try Ubuntu so ill give that a GO cause i have no idea what else i can try just had another look at the bios and the HDD's are set up like this IDE Channel 0 master {none} IDE Channel 1 slave {none} IDE Channel 1 master {sony dvd RW] IDE Channel 1 slave [hl-dt-st gce-8481b] IDE Channel 2 master [WDC 74] IDE Channel 3 master [maxtor] IDE Channel 4 master [hitachi] IDE Channel 5 master [none] so looks like all my HDD are set to master, should i only have 1 master and the rest slaves?Just use the BIOS to switche between drives at bootup... Does this machine have an addon PCI IDE controller card ? ?i dont think this machine has the option to CHANGE what order the HDD boot its either HDD or floppy cd/dvd ect. i dont if it has a PCI IDE controller card m8 ok so now i swaped my main HDD with the other HDD on my mobo and when i boot up i get the NTLDR is missing. would this be the reason i have no duel boot?

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