I have an external drive that has the same issue. in my case there is a small "firmware" that resides on the USB-PATA bridge that has about 3-400 MB of stuff on it and mounts as a CD. this definitely fouled all my attempts at booting to the device. On Tue, Nov 30, 2010 at 3:23 AM, Steve Holmes wrote: > I got a new machine which (of course) has Windows pre-installed and > I'm not ready to dump it entirely just yet so in the meantime, I built > out a complete Arch Linux 64-bit system on a portable USB external > drive.  I also used or tried to use grub to set it up to boot.  During > the original settup session, it appeared to do all this OK but I can't > get the laptop to recognize or boot from this device.  I did not > modify the master boot record on my laptop; instead, I figured on > using the boot menu on the laptop to choose the USB drive; this method > works beautifully with an ISO image I burned to a small thumbdrive but > I cannot do the same with my larger USB portable drive on which I > installed Arch Linux.  Do I have to do anything else to make this > thing bootable? > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > -- A mouse trap, placed on top of your alarm clock, will prevent you from rolling over and going back to sleep after you hit the snooze button. Stephen --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss