Translations by Volkan Gezer

Creative Commons Attribution-ShareAlike 3.0 Unported License

Switch <gui>Bounce Keys</gui> on.

In the <gui>Activities</gui> overview, you are always able to long-press to right-click, even with this feature disabled. Long-press works slightly differently in the overview: You do not have to release the button to right-click.

Select the device to send files to from the list on the left. The list only shows devices you've already connected to. See <link xref="bluetooth-connect-device"/>.

If calibration hardware is connected the <gui>Calibrate…</gui> button will create a new profile.

You will need to crop the TIFF file so that just the target is visible. Ensure the white or black borders are still visible. Calibration will not work if the image is upside-down or is distorted by a large amount.

You scan in your target file and save it as an uncompressed TIFF file. You can then click <gui>Calibrate…</gui> from <guiseq><gui>System Settings</gui><gui>Color</gui></guiseq> to create a profile for the device.

Alternatively you can select <gui>Import profile…</gui> from <guiseq><gui>System Settings</gui><gui>Color</gui></guiseq> when selecting a profile for a device.

<link xref="color-whyimportant">Why is this important</link>, <link xref="color#profiles">Color profiles</link>, <link xref="color#calibration">How to calibrate a device</link>…

ProPhoto is the largest space available and is frequently used for document archival. It can encode nearly the whole range of colors detected by the human eye, and even encode colors that the eye cannot detect!

Of course, using a 16 bit image is going to leave many more steps and a much smaller quantization error, but this doubles the size of each image file. Most content in existence today is 8bpp, i.e. 8 bits-per-pixel.

Make the insertion point blink and control how quickly it blinks.

Make the keyboard cursor blink

If you find it difficult to see the keyboard cursor in a text field, you can make it blink to make it easier to locate.

Select <gui>Cursor blinks in text fields</gui>.

Use the <gui>Speed</gui> slider to adjust how quickly the cursor blinks.

Select <gui>Custom Shortcuts</gui> in the left pane, and click the <key>+</key> button (or click the <key>+</key> button in any category). The <gui>Custom Shortcut</gui> window will appear.

You can rename the file by changing this field. You can also rename a file outside the properties window. See <link xref="files-rename"/>.

If the file is a program, such as a script, you must select <gui>Allow executing file as program</gui> to run it. Even with this option selected, the file manager may still open the file in an application or ask you what to do. See <link xref="nautilus-behavior#executable"/> for more information.

Networking, web, email &amp; chat

If the connection is not successful, you <link xref="net-passwordok-noconnect">may be asked for your password again</link> or it might just tell you that the connection has been disconnected. There are a number of things that could have caused this to happen. You could have entered the wrong password, the wireless signal could be too weak, or your computer's wireless card might have a problem, for example. See <link xref="net-wireless-troubleshooting"/> for more help.

Get information like the IP address and DNS server to use from a <em>DHCP server</em>. A DHCP server is a computer (or other device, like a router) connected to the network which decides which network settings your computer should have - when you first connect to the network, you will automatically be assigned the correct settings. Most networks use DHCP.

Sometimes wireless cards get stuck or experience a minor problem that means they won't connect. Try turning the card off and then on again to reset it - see <link xref="net-wireless-troubleshooting"/> for more information.

This page provides an overview of keyboard shortcuts that can help you use your desktop and applications more efficiently. If you cannot use a mouse or pointing device at all, see <link xref="keyboard-nav"/> for more information on navigating user interfaces with only the keyboard.

You can maximize a window to take up all of the space on your desktop and unmaximize a window to restore it to its normal size. You can also maximize windows vertically along the left and right sides of the screen, so you can easily look at two windows at once. See <link xref="shell-windows-tiled"/> for details.

Find apps, files, music, and more with the Dash

Manage apps &amp; settings with the menu bar

You can add multiple user accounts to your computer. See <link xref="user-add"/> to learn how. If somebody is no longer using your computer, you can delete that user's account.

Installing the right codecs for DVD playback

How do I enable restricted codecs to play DVDs?

Other people can't play the videos I made

If you made a video on your Linux computer and sent it to someone using Windows or Mac OS, you may find that they have problems playing the video.

Ask the person having problems with playback if they have the right codec installed. They may find it helpful to search the web for the name of the codec plus the name of their video playback application. For example, if your video uses the <em>Theora</em> format and you have a friend using Windows Media Player to try and watch it, search for "theora windows media player". You will often be able to download the right codec for free if it's not installed.

The Super key serves a special function in <em>Unity</em>. If you press the Super key, the Dash is displayed. If you press <em>and hold</em> the Super key, an overlay showing many of Unity's keyboard shortcuts appears until you release the Super key.