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Triple boot XP, Vista, and Windows 7...
I have four SATA II drives, four gig memory, etc, in my machine that have Windows XP and Vista dual-booting. Both OS's are installed on the same physical drives; about 150 gig each partition.
I've freed up one of the drives, changed the BIOS to boot from the DVD, and installed Windows 7, 64-bit. The installation completed without a hitch and the setup detected everything, sans the Viewsonic monitor. Windows did have a driver for the monitor, but I used the one for Vista 64-bit from Viewsonic and we are good.
After rebooting Windows 7, I expected to have couple of boot option but there's none. No XP and/or Vista, just Windows 7. I've tried to locate the bootmanager in Windows 7, but I couldn't find it and that worried me. There was no backup made since it should've picked up the other OS's.
I didn't touch any of the bootsectors, nor did Windows 7; the latter one did make the drive a primary disk and installed the boot record there. After modifying the BIOS, making the the XP/Vista drive the first drive to be booted, XP and Vista came back, but Windows 7 disappeared. I can boot either OS's by changing the order the drives are booted by the BIOS, but I rather have the choice for XP/Vista/7 in the boot menu.
I am not sure why Windows 7 didn't pick up on the other OS's; the reason could be the SATA drives, if I'd have to guess. Since "disk 1" was set as the first drive to boot by the BIOS, Windows 7 did not check other drives and declared itself the only OS.
The question is, how do I add Windows 7 to the Vista's boot menu, or alternatively, how do I add XP/Vista to 7's boot menu?
TIA...
Cr00zng