Boot Problem

I just installed Haiku on an Acer Extensa 4420. At the splash screen, the boot stops at the fourth icon (mounting boot disk); that is, the first three icons light-up, only. If I re-boot in Safe Mode, and click BOTH “Safe Mode” and “Disable ACPI” it will boot successfully to the Haiku desktop. Any solution on how to fix this? Note: I had this identical problem when I tried to install Haiku from an installation CD. Only by using “Safe Mode” and “Disable ACPI” would it install. (I’m new to all this so any help is appreciated.) Thanks.

Change the setting in this file:
/boot/home/config/settings/kernel/drivers/kernel

~/config/settings/kernel/drivers/

There’s one settings file that may be of interest: kernel offers some low level configurations like disabling SMP, activating serial debugging or enabling advanced power management. You activate a configuration line by removing the commentary symbol “#”. Be careful here!