Instruct: Classify Amazon reviews into positive or negative sentiment
Query: BAD IDEA

I am soooo sorry I purchased this scanner. All it did was totally mess up my Dell system. I had to hire a computer technician to undo all the damage and hidden files, and drivers that this item came with. I've used Visioneer before, with no problem. This one was a lemon. Oh, I almost forgot to mention the scanning light could not be recalibrated.