I've recently installed NetBSD on an old Dell, and it doesn't boot
properly.  It goes to a screen that says "fn: diskn \n 1: NetBSD," but
when I press 1 it says "error ?"

I can boot with the boot cd by entering "boot hd0a:netbsd" from the boot prompt.

I've tried running fdisk -B wd0 and fdisk -i wd0 (and fdisk -B wd0
again after that), but it hasn't helped.

There's nothing fancy here: just one disk with one partition running
NetBSD and nothing else.

Any ideas?

Reed Sheridan