Hi i just bought Philips HTS3450.
I am having problems in playing the following things.

1. .avi files (i tired DivX and XVid) not working (tried using from DVDR and USB drive)
2. I have mp3 songs in DVDR. when i play it it only plays one folder and stops
3. Rear 2 speakers are not working for some movies.

can anyone help me in fixing these.
thankx in advance