Lock during boot after wrong settings for sound card

After setting up a sound card (wrong I/O because I was so confident that Linux would not crash that I thought it was safe to experiment a bit) the boot process hangs after sound card setup error.

How can I bypass this during boot so I can get in to fix the sound config?
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You can try this:

boot with "init=/bin/sh"

remount the root filesystem read/write
"mount -n -o remount, rw /"
edit the necessary files in /etc/rc.d/init.d or comment the sound module in /etc/modules.conf
sync the filesystems
remount the root filesystem read-only
"mount -n -o remount, ro /"

restart the computer.



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