Won't play rented dvds. Need upgrade.

SOURCE: DVD player not playing home burn DVDs

Laser got weak. buy a new one

SOURCE: DVD stopped playing all DVDs

solved. just clean the lens with lens cleaner

SOURCE: disassemble CYBERHOME DVD CH 300

This guy has pictures and instructions for a major operation on a cyberhome player.
http://backandforthblog.com/?p=11

Digital Service Centre

• 80 Answers
• Posted on Mar 25, 2009

SOURCE: Reset Cyberhome CH-DVD 300

Dear friend,
Press and hold STOP button on front panel of the player more than 5 sec. The player reset after 5 sec.

SOURCE: When we play DVDs, the picture is very dark and is

Check your dvd settings, read the manual that came with it. Or you can just pump up the brightness on the tv when watching movies.

Anyways, hope this helps.