Aspire AD-900 region-free hack

These are the instructions are for a player purchased in the US for use in the UK. The unit is 120/240 voltage and plays PAL and NTSC DVDs.

Open tray door

Press Setup

Press Right arrow keys to choose the option Preference Page

Press digit buttons 1 3 7 9

The TV screen will show an interface: REGION CODE: 1 (1 means region 1)

Press Up and/or Down arrow keys to change the number 1 to 0 (0 means region free)

Now the setting is OK, press Setup to exit