tigweldpro 0 Posted December 31, 2015 I recently got a QSD9004V from a recycler and it was locked. After trying to contact Q-See for a few days I got ahold of someone. The only info I gave them was the model # no serial or anything so this may be a generic fix. I was give a temp password of 519010 I typed it in and Bam! It worked(only works through the GUI not Explorer) Im not sure if this will work for every unit but wanted to post this info for anyone else to try. Enjoy Share this post Link to post Share on other sites