You need to get rid of the pad in the house altogether now that you are taking her outside. You're sending mixed messages. Get some heavy duty cleaner and wash the floors to get rid of any scent of pee that may have imbeded into the floors. Shampoo carpets if necessary. They go where they smell it.
When you take her outside, designate a specific potty spot. You can buy a special chemical and put it on a rag in the place where you want her to go all the time, and take her there and wait until you see her do her business. DO NOT bring her back into the house until you see her do all of her business outside in her special spot.
Last, but not least, for the quickest results in potty training, use the "crate" method. If you aren't familiar with house breaking and training using a dog crate I highly suggest getting a book on the subject and read up fast and soon! She's getting up there in age and the bad habits will start to become the norm sooner than you can blink an eye.
If you don't use a crate, invest in baby gates to keep puppy off of tempting potty spots in the house- like carpeting.
See:
http://www.inch.com/~dogs/housebreaking.html
http://www.inch.com/~dogs/cratetraining.html
http://www.drsfostersmith.com/dog-supplies/housetraining/...
http://pet-supplies.drsfostersmith.com/search?af=type%3Ap...
http://pet-supplies.drsfostersmith.com/search?w=crate&...