Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: Does it come with attachment for bare floors or do you have to buy it extra? Or do you just use it as an upright.Wouldn't the spinning throw the dirt?
Document: It just doesn't pick up dirt on the bare floors very well. It misses a lot and I have to actually put it on carpet to pick up from tile floor.
I bought this after reading reviews and hoping that it would work out on tiles and hardwood as well as carpet. I was pleasantly surprised how great it was for the carpeting in our home versus how poorly it performs on hardwood floor and tiles. I had to buy a second vacuum for the bare floors.
I have to vacuum pretty much daily to keep up with her hair, along with all the crap that comes into the house with her and people going in and out - pine needles, pieces of wood from lugging firewood to the stove, garlic skins on the kitchen floor, etc.We have anti-fatigue mats in our kitchen, so while I was doing the bare floors, I did not go over the mats. I used the hose and duster attachment to do the mats.
Another notable difference in handling is that the AS1050A is able to vacuum with the handle virtually parallel to the floor.In terms of performance, both of these models are extremely powerful and work very well on all types of floor surfaces. A small consideration is that the 4870UZ roller brush stops when set to bare floors and while using the hose tools, and while locked in the upright position, and the AS1050A does not.
I'm impressed with this vacuum's powerful suction. It's really strong and cleans the carpet in one run. Unfortunately it's also a little on the loud side (-1 star).One important thing to note is how effectively this AirSpeed cleans hard floors. Most other upright and canisters I've had over the years will shoot dirt out the back. I usually resort to using a broom and dust pan on hard floors, and the occasional wet mop.
I had to forcefully yank the hose out of the vase.The cord has a tendency to get caught up under the vacuum so I took a tie wrap and attached the cord to the front of the handle. That easily solved the problem.I didn't use this vacuum on the Floors function because it does seems large and heavy compared to my lightweight Oreck which is great on my rugs and my bare floors. I only used the Tools function with the addition of my 15 foot extension hose and my own attachments.
The bag system is easy to use and change and it takes longer to fill the bag than it does to fill up a bagless vacuum's dirt cup. We were able to vacuum our whole house with just 1 bag being used and the bag still doesn't need to be changed. The only downside was that the brush roll attachment or "pet paw", doesn't work as good as one would hope, but that's true with all vacuums that have those attachments.
I bought this vacuum cleaner because it had great reviews. The sticker on the vac states that it is better than a Dyson but at half the price. But after year( of vacuuming twice a week, cleaning the filters, and changing the bag when needed ) I am ready to throw in the towel . It doesn't pick anything up. No sand, no lint, not even a bread crumb .There's still suction but not enough to power the power brush for stairs. Don't buy it...
If you buy this vacuum, you will recall this warning and wish you had given it more consideration.Forth, It is noisy (all vacs are at least somewhat noisy)  This is the vacuum for Nascar fans.Fifth, Contacting the company for accessories is like setting in on your first theoretical physics class in China. Say what? ?All that said, it is, as the subject line says, a reasonable bare bones performer.
If you are having problems with suction like a previous reviewer wrote, then check to make sure you've got the air flow switched to the appropriate direction. There is a big knob that switches air flow from the hose and tools to the upright head. If it's not in the appropriate position then you'll not get suction in the right place. The bottom line: This is a well-designed machine with extra-strong suction and bags at a budget-friendly price.
Answer: There's a selector on it that you turn to bare floors and it turns off the roller.