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176

Besides the arguments others have listed (Aircraft requirements, power saving) we should not forget about security. Before the tablet and smartphone era you had a great control over your computer in an emergency: if you pulled the UTP cable, you could guarantee that the computer is isolated from the network. If you pulled the power cord, you could guarantee ...


147

Security A hardware radio switch has security benefits to it in that when it is off, you know for a fact that nothing is connected to your laptop wirelessly. The radio switch usually turns off all wireless communication, including Bluetooth and 3G. I have heard that this is a requirement in certain military environments, but I have not seen any evidence ...


52

Airplanes These switches allow you to disable wireless transmitters without first turning them on in the middle of a flight, when their use may be prohibited. There seems to be some consternation regarding this answer. I have reworded it to address some of the concerns that have been voiced. In addition... I'm not saying that any rules regarding the ...


23

In Emergency Situations Sometimes you need to turn off your internet connection as fast as possible. For example, you download a software, then double click on it, and then you realize that it is not the genuine .exe file but it is a malicious file. In this situation, you may want to turn of your connection as fast as possible, and it may take a very long ...


16

Wifi takes power. If you have limited battery life, being able to physically power-down the wifi card might buy you back a little power. Otherwise, the OS might continually poll the airwaves looking for a signal and draining the battery a little faster.


15

A couple reasons that I use my Wi-Fi switch that other people haven't mentioned: When I'm in a LAN party, I want to force my computer to use the Ethernet cable networking me with other players to get the most out of my network and prevent some random app from interrupting play. I don't trust public networks, so when I'm not in a Wi-Fi zone I trust, I turn ...


14

I think the concept of a locked slider that is not disabled is not something you need to put into practice, and you should just not show the slider in the first place. The clue to that is that you are asking Visually, what is the best way to show that a slider is locked? This is not your ultimate goal behind this - you have a bigger problem for which this ...


13

I'm not sure you should rely on a copy change alone (or even if it worked, it may not be worth the added confusion - see @joe larson's answer). You might try instead calling out an explicit warning: download bmml source – Wireframes created with Balsamiq Mockups


13

Many might think that the complementary email might be useless, but this is actually a security message. What if someone left their account logged in, and someone changed the password for them? The ACTUAL owner of the profile should be notified that it was changed. It has become a standard to make sure that users are aware of what information has been ...


13

If the slider is locked then don't show the slider at all--only show the element if the user can interact with it. Instead, just show a progress bar with the value: download bmml source – Wireframes created with Balsamiq Mockups Since the value is not editable, then your requirement is to inform the user what the value of the object is. The ...


12

Setting is singular, so use it if you only have one thing to set. Settings is plural, so use it when you have multiple things to set. This is likely to be the case most of the time, so when in doubt, use 'Settings'


11

Anyone who needs to work in an area where you're not allowed to transmit/receive RF needs one. Part of the building where I work has those restrictions. Phones/tablets aren't allowed inside that part of the building because (among other unrelated reasons) there's no way to visually check if if the radios are disabled while the devices are powered off/in ...


10

For the first case, the "information", it's perfect and I recommend it. IMO the "i" icon shouldn't be used for your second case, that's meant to have a different icon! (such as something that represents "settings" or in you example, "renew/subscriptions").


8

This is the kind of feedback that is the easiest to elicit from users - details on color choice or extra features. I think the "intention" part is the important one. The problem the users are trying to solve using your application. So if you have any way of contacting the users who has given you feedback - or even just a radom selection of any of your ...


7

My intuition says that showing the padlock icon on the slider handle is a bad idea. This is ambivalent and could also try to communicate, that the slider is locked in that particular value (as opposed to the sliding mechanism being locked). If you want to display a padlock icon, maybe do so left or right of the slider. The common standard for disabled ...


7

Place a semitransparent box over the slider, with a diagonal label "Premium feature" across it. This design can also be applied to an other control.


7

For me it has worked several times to re-initiate Wifi. Remember that most laptops use third party components, have dozens of configurations, which create dependencies. The status bar icon sometimes is not reliable, as it depends on the actual system state if it will work or not. Hardware switches turn off the device power, so it is way better for resetting. ...


6

I wouldn't store in the localstorage. Localstorage is mainly for cache only. Store on the server, bind the data to the username. You can loose localstorage data when reinstalling computer, upgrading browser or working from home. Use it only for browser-specific settings, if any. Most people expect user-name authenticated webapps to magically work from ...


6

I would suggest not to use asterisk since it is used to mark required fields. Instead let's compare several possible solutions: (3),(4) are the most noticeable, but (4) seems to be more natural and easy to understand. Color Red and green are used for validation. Blue is the only one neutral left. Forgot to mention combined approach can be used to ...


6

There's a few discussions on it already around the web. They are very similar. 'Preferences' usually control the settings of your personal favorites -- things of little consequence -- like color of font, type size, background photo... -- usually personal prefences. The tern 'settings' is much broader and can impact system issues -- ram size, ...


5

I would recommend you integrate it into the profile settings. However, I would suggest you move the "change profile picture" block upward to the top so it is more prominent on the page. As you have already said, you already have a large list of settings and I believe the "change profile picture" block is simple enough to not require its own tab. Happy ...


5

While you may have a large number of total suggestions, I think you’ll find that most unique suggestions come from a small minority of users. This is typical for an application once it’s released to the wild –users will start using it for multiple different things beyond its core capability, and will thus want more features and flexibility to expand in all ...


5

I would simply put a checkbox to the left of each feature name (I'm assuming 1 feature per line per your comment to Serg's response). To reinforce the checkbox visually, I'd also use color to help indicate the checked (or enabled) state. This seems the most direct way and avoids items moving from group to group which can be confusing. download bmml ...


5

Most people don't have an external amplifier or control on their audio output, so you can't assume it is there. You then need two other controls. One master control to set the desired global range of all your applications, and local controls for each application to set their sound relative to your global setting. If you tried to remove either one of ...


5

I would think really hard as to why these options might be 'advanced,' and unless they would confuse normal users, I'd avoid tucking them away. It might be simpler both from a design & dev perspective to expose those elements alongside the 'simple' options. Make the base options stand out from a design direction. There's going to be a lot of ...


5

As a user, is there any benefit in knowing the default value? For pagination, probably not. For some other cases, probably yes. Anyway, if you want to note which value is the default one, you should change the order of your example, so that each value keeps in line: 5 10 (default) 15 instead of 5 default (10) 15 "Site" could ...


4

This is actually about accessibility, not usability in general. Microsoft has tremendous amounts of information about how to develop with accessibility in mind. Here is a good place to start: http://msdn.microsoft.com/en-us/windows/bb735024


4

As well as testing with "Large Text" etc, make sure you test different resolutions as well. If you have the screen resolution data for your users use that, if not just use the global data to find the most common resolutions. This will ensure that you check that your window isn't too large for the screens your users are likely to have. Another thing to ...


4

To answer your last question first, do not lock the other UI elements if you can avoid it. Even if your options have clear labels, nothing beats seeing the effect for users to decide if that’s the option setting they want. You want to allow users to test out each option easily. That means giving them full access to the other windows (e.g., so they can scroll ...


4

A vertical 'table' with Groups as the first column and the settings for each group as a row would do nicely here. It's very quick to scan this to see what settings are currently set, very quick to add/remove settings and can give a select/unselect all checkbox. The row the mouse hovers over should be highlighted slightly to help the user 'read' left to ...



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