it seems i read too fast. i still think the bios is your issue, but to uninstall grub on that hdd, do this: dd if=/dev/zero of=/dev/<device> bs=446 count=1
if i'm right, instead of seeing welcome to grub, you'll just see a blinking cursor after doing this (i think). On Sun, Dec 5, 2010 at 1:38 AM, shawn wilson <ag4ve...@gmail.com> wrote: > are you sure you don't have grub installed on that usb hdd? > > either way, if you're not going to be booting off of usb devices on a > regular basis, go into the bios and put usb lower in the boot order. i've > seen things like usb mice and hubs mess with usb at boot time (not kidding). > > > On Sun, Dec 5, 2010 at 1:04 AM, Peter Tenenbaum < > peter.g.tenenb...@gmail.com> wrote: > >> Hi everyone -- >> >> My squeeze home machine cannot boot when an external hard drive is >> connected via USB. When the drive is disconnected, booting occurs normally; >> but when it is connected, I get a "Welcome to Grub!" message and then >> nothing further happens. >> >> I've tried going into the boot menu in BIOS and setting the boot order so >> that the external hard drive is used last, but I still have this problem. >> It seems like it must be at least partially successful in booting off the >> internal hard drives, since they have grub2 installed but the external hard >> drive does not. >> >> Any suggestions for how I can configure the system so that it does not get >> into trouble when the external hard drive is connected? >> >> Thanks in advance, >> -PT >> > >