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It could be that you have your MBA set to do that after a few minutes or so to save power.

How do I know if I did that or not or have adjusted anything?

EDIT Never mind I just located it in the energy settings and yes I did have it set to adjust my bad.
 
Jobs did say that the MBA is the future of notebooks. I'll bet the 13" MB gets the axe and the 13" MBP loses the optical drive but the 15"+17" retain it.

I can totally see the next 13" MBP ditch the DVD drive and the HDD. That will give it the room it needs for the Core series of CPU's, a massive battery and a reduction in weight while keeping the ports and features a pro user needs.
 
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Yes, another improvement next round. Sure it'll return along with backlit keyboards and sleep light and IR when they run out of speedbumps and the new redisign isn't ready yet.

This isn't the first time we've seen this game. Mb aluminum to Mbp with FireWire, iBooks with FireWire, no Sd card to now with Sd card slots etc.

Can't have it all. Not the first round. If the new MBA turned out to be a cube, then this prevents apple from losing it all and/or costing so much.

Oh well. Can live with lack of minor features. Ram and storage and gpu and CPU power is truly the guts.
 
doesnt bother me the dim button is kind of close to the keyboard. No wait its on the keyboard all I have to do is stretch my fingers.
 
I can totally see the next 13" MBP ditch the DVD drive and the HDD. That will give it the room it needs for the Core series of CPU's, a massive battery and a reduction in weight while keeping the ports and features a pro user needs.
That's pretty much how I see it too ... and frankly as long as Lion supports TRIM it'll be a fantastic machine especially since Apple seems intent on upping the PPI (yay!).

Isn't the camera a light sensor?
I don't believe so.
 
doesnt bother me the dim button is kind of close to the keyboard. No wait its on the keyboard all I have to do is stretch my fingers.

LOL!! that is very true though so if I did want to dim it the button is right there. I am sort of confused about the complaints of the new MBAs that the old ones have. I never had the opportunity of owning an MBA until now. But some of these things seem to be minor issues but like I said IDK because this is my first one.
 
Well... I guess when something come down to this thin and small, we will have to lost something? Anyway, I don't really care about this sensor and the keyboard light, this is just something to show off :D

Actually, when I was using my MacBook Pro, I turn the light sensor off because it will end up using more power when it sense wrong ;)
 
Isn't the camera a light sensor?

Actually, that's what I was implying as well. My friend actually told me that the "sensor" is just the iSight (or now FaceTime) camera. It detects the incoming light and accordingly adjusts the brightness/backlight. Hopefully Apple can just enable the brightness adjustment through software.

But I could definitely be wrong; maybe you actually need a discrete sensor near the actual camera, as someone pointed out.
 
Ah, I missed the subtlety of the "a" and not a "the."

Isn't the camera a light sensor? - Sarcasm
Isn't the camera the light sensor? - Question

No problem.

The point is, even if the original hardware light sensor (distinct from the camera) is not present perhaps it could be addressed by software. I have no idea, but simply wanted to say the idea of a software solution shouldn't be immediately dismissed by lack of a separate light sensor given the camera.
 
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Hmm, having the camera be the sensor is a neat idea but does that mean that if your wearing dark clothes, your monitor would adjust levels differently than if your wearing light color clothes? After all, the camera is aimed at you and is wide enough to capture your sweater and etc.

Still, neat thought...
 
I would rather have a more powerful useful MBA than a lit keyboard and auto dimming. And the damn thing is cheaper, stop complaining the new MBA towers over the old one.
 
I would rather have a more powerful useful MBA than a lit keyboard and auto dimming. And the damn thing is cheaper, stop complaining the new MBA towers over the old one.

That is why I am so confused. Because some people are saying its a deal breaker if it doesnt have BL now its a deal breaker if it doesnt have the ambient light.
 
The camera can't be the sensor as my mbp has a separate sensor. Covering the camera does nothing.

Also surely it would be built into the front camera of the iPhone 4 then the White iPhone wouldn't have that horrible sensor visible
 
Meh, I usually turned off the light dimming. It was more annoying than useful.

Amen, I knew it was gone immediately two days ago and am totally happy with this omission. I hated that when the shadow of my head (light behind) hits the sensor, the screen would dim unnecessarily. Happened often, and sometimes the screen would be too bright or dim and I'd have to adjust it manually. Glad its gone.
 
The camera can't be the sensor as my mbp has a separate sensor. Covering the camera does nothing.

Also surely it would be built into the front camera of the iPhone 4 then the White iPhone wouldn't have that horrible sensor visible

Proximity sensor =/= ambient light sensor. iPod touches and MBPs have ambient light sensors, but the iPhone has a proximity (turns the screen off when you're talking on the phone) and an ambient light (dims/brightens the screen according to the ambient light) sensor.
 
mine seems to adjust too

How? There is no control in the software like on every other Mac with an ambient light sensor. I see no adjustment what so ever. I can go from a brightly lit room to a completely dark room and the screen brightness doesn't change at all.
 
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