Find out if your notebook has a backlit keyboard

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From the Apple menu , choose System Preferences and then click on Keyboard. If the Keyboard preferences window has an 'Adjust keyboard brightness in low light' checkbox, you have a backlit keyboard.

To access the settings window search the Cyanocitta in you menu app and select Settings. Here's a full list of the features: When changing volume / brightness / keyboard's backlight a small icon is shown under the bar. The icons are: If you don't like the flat look of the bar you can enable a shadow effect. Popular fixes for Backlight not Working in Windows. Unlike many other issues, the backlight issue of not working on your computer can be composed of several different reasons but not all of them might not be applicable in your case. Here, we will list the most common solutions to fix the problem. Backlight keyboards refer to the keyboards illuminated with some LED. It provides better visibility for you and enables you to type words even in a completely dark room. The backlight keyboards feature has been widely applied to Windows and Mac. However, various reasons like bad software updates or hardware issues cause keyboard backlight not. However, the lamp wasn't bright enough, and I didn't have access to a backlit desk. Then it hit me; my laptop has a backlight, a very bright backlight in fact. How to use your screen as a light box: Turn your laptop so that the screen is horizontal. Prop up the body so the screen stays flat.

Adjust your keyboard brightness automatically or manually

You can have the keyboard brightness adjust automatically based on available light, or you can adjust it manually.

Adjust the brightness automatically

To set your keyboard brightness to adjust automatically:

From the Apple menu, choose System Preferences, then click Keyboard.
Select the 'Adjust keyboard brightness in low light' checkbox.

Adjust the brightness manually

To make the keyboard brighter, press F6 on your notebook's built-in keyboard. To make it less bright, press F5.

If you can't adjust your keyboard's brightness manually, it's likely because you're in a very bright environment and you have your Mac set to automatically adjust the brightness. In this case, the backlit keyboard turns off. When you move to a location with less light, you can once again adjust the keyboard's brightness.

Adjust brightness on your MacBook Pro with Touch Bar

If your Mac has a Touch Bar, you can quickly adjust your keyboard brightness by tapping in the Control Strip:

The Control Strip expands, and you can tap to adjust keyboard brightness:

Learn more

If you use Boot Camp and your keyboard isn't working as expected in Windows, you might need to update your software in Windows.

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Use your laptop for a tracing backlight. | 23 comments | Create New Account

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The following comments are owned by whoever posted them. This site is not responsible for what they say.

I tend to use a window. Of course this only works in the daytime.

I'd be very leery about doing this without something transparent and HARD like a sheet of glass between whatever I'm tracing with (pencil? pen? marker?) and the screen.

That sounds like a really bad idea, depending on the implement you're using to trace. The last thing you want is some permanent marker on your screen because you slipped!

Permanent marker is easily removed with rubbing alcohol or some other alcohol-based cleaner.
Also, since I was using an 8.5x11' paper on a 13' diagonal screen, there was no danger of slipping off the paper.

You call this a hint? Please bring Rob back.

This is a hint? Is there an editor? Other ideas: use your mini as a paperweight or panini press.....

Using an iPhone screen as a backlight isn't a terrible idea. There's a layer of hard glass between you and the soft screen.
But a laptop? The kind of screen that gets dark spots if you poke at it? This seems like a recipe for having whatever you're tracing permanently visible on your screen.

Caveat: Only do this if your device has a glass screen. You don't want to do this on an Air!
I've never used a computer for a lightbox, but I've used a window on a sunny day. It's awkward but it works when you don't have one around. I also have a glass coffee table, mostly because it looks good, but the fact that I can throw a light under it to use as a light table is certainly a bonus.

Terrible idea. So easy to accidentally press too hard and crack the screen...

If you press that hard, this tip is not for you. ;)

And in case you have no tools near, you can use it as a hammer....
...or a door stop....
...or to level a table with a shorter leg....
...or use a dozen of them as pilates...
...as a frisbee...
...and of course, as a notebook.
Lot of uses!
:)

Excellent. Good clean fun. Thanks to original poster and this commenter.

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;-)

I was serious when I made this post. I did it, and it worked for what I needed to do. ;)
I'm sure it could work for all the things you suggested, but at 1.25' thick, using my laptop as a doorstop would probably not be very effective. That, and I'm not in the market for a new one.

Thank you for sharing, wallybear. I'm having trouble, though, using my macbook air as a frisbee. I'm running 10.7.3 and everything else is working just fine. The folks at Apple Care say this is a known issue, and can be traced back to hardware rectangularity, but they've been less than forthcoming about a solution. Any help would be most appreciated.

There is a simple solution to your problem.
Just buy or borrow another MacBook and use it as an hammer on the edges of the four corners of your future frisbee, until you get a rounded shape: the rounder the better. It will require some trial and error, but eventually you will succed.
Just please don't launch your shiny new frisbee at your dog, it could get hurt.
:)

I've used an LCD monitor (not on a laptop) as a light table for negatives; open a blank browser window in full-screen, shoot with a digital camera, and invert in Photoshop. The quality is not good, but it's sufficient for a contact sheet of large-format negatives so you can decide which ones you want to pay to have scanned.

You guys are being kind of harsh. I had to do this on occasion when I was an art student and my laptop is still in mint condition. It actually works well in a pinch.

Agreed. It's not like the submitter's telling little kids to do it. If someone posted a hint about using the edge of an Air as a bread knife, I'd just decide that it wasn't for me.

Really? Do you mean it cannot be used for bread? It could work as a cake knife? For butter? For taking apart oysters?
Don't take it too seriously, let's us joking a little, life is so short.
And remember, if you need to trace a really little sketch, you can use your iPhone with similar results.
:D

It is true, this is primarily a glass-screen tip. I specified my model.
Damage would only occur if you press really, really hard. We're talking a pencil here. I used B-hardness lead, which may affect the outcome. Don't press any harder than you would for normal writing—you're not doing an etching.
A window would have worked, but I was at a part of a library where there were no windows.
I'm also the guy that drew on the lid of my laptop with a pencil. ;)

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I matched an old iBook with a white screen set up and 2 refurbished APC UPS batteries for emergency light ( as well as audio player/ recorder, & music alarm clock,. I have only used it once in the last 6 years and the screen lit up the entire room for over 40 min on one battery before the electricity came back on. I have not bothered calculating how many minutes