path: root/wiki/src/install/inc/steps/not_at_all.inline.mdwn
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authorsajolida <>2015-10-07 20:48:37 +0000
committersajolida <>2015-10-07 20:48:37 +0000
commita68661a8a99b53b3b69321b28e45e64e9f8bdaa2 (patch)
treeec16f9c19b05fa79f9cf382432ef487630174af9 /wiki/src/install/inc/steps/not_at_all.inline.mdwn
parent28b9b683c2dcc8159d2c57f04e7a219f97eaca29 (diff)
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+ Tails does not start at all (troubleshooting)
+ ---------------------------------------------
+ The following section applies if the **Boot Tails** menu does not
+ appear when starting on the USB stick.
+ It is quite common for computers not to start automatically on a
+ USB stick with Tails installed. Here are two troubleshooting techniques. You should try them
+ one after the other.
+ ### Getting to the boot menu
+ On most computers, you can press a *boot menu key* to display a list of
+ possible devices to start from. The following instructions explain how
+ to display the boot menu and start on the USB stick. The following
+ screenshot is an example of such boot menu:
+ [[!img bios_boot_menu.png link=no]]
+ 1. Identify the potential boot menu keys for the computer depending on
+ the computer manufacturer in the following list:
+ <table>
+ <tr><th>Manufacturer</th><th>Key</th></tr>
+ <tr><td>Acer</td><td>Esc, F12, F9</td></tr>
+ <tr><td>Asus</td><td>Esc, F8</td></tr>
+ <tr><td>Compaq</td><td>Esc, F9</td></tr>
+ <tr><td>Dell</td><td>F12</td></tr>
+ <tr><td>Fujitsu</td><td>F12, Esc</td></tr>
+ <tr><td>HP</td><td>Esc, F9</td></tr>
+ <tr><td>Lenovo</td><td>F12, Novo, F8, F10</td></tr>
+ <tr><td>Samsung</td><td>Esc, F12, F2</td></tr>
+ <tr><td>Sony</td><td>F11, Esc, F10</td></tr>
+ <tr><td>Toshiba</td><td>F12</td></tr>
+ <tr><td>others&hellip;</td><td>F12, Esc</td></tr>
+ </table>
+ 1. Make sure that the first USB stick is plugged in the computer.
+ 1. Shut down the computer.
+ 1. Switch on the computer.
+ Immediately press several times the first potential boot menu key identified in step 1.
+ - If a boot menu with a list of possible devices to start from
+ appears, select the first USB stick in the list and press **Enter**.
+ - If the computer starts on Windows, repeat steps
+ 2 and 3 for all the potential boot menu keys identified in step 1.
+ If none of the potential boot menu keys identified in step 1 work or if
+ the USB stick does not appear in the list, then try the second
+ troubleshooting technique described below.
+ ### Edit the BIOS settings
+ You might need to edit the BIOS settings of the computer.
+ <div class="tip">
+ <p>Search for the user guide of the computer on the website of its
+ manufacturer to learn how to edit the BIOS settings.</p>
+ </div>
+ In the BIOS settings, try to apply the following changes one by one and
+ restart the computer after each change. Some changes might not
+ apply to certain computer models.
+ <div class="caution">
+ <p>Take note of the changes that you apply to the BIOS settings, to be
+ able to revert them if they prevent the computer to start on
+ Windows.</p>
+ </div>
+ 1. Edit the **Boot Order**. Depending on the computer model you might
+ see an entry for **removable devices** or **USB media**. Move this entry
+ to the top of the list to force the computer to try to start from
+ the first USB stick before starting from the internal hard disk.
+ 1. Disable **Fast boot**.
+ 1. If the computer is configured to start with **legacy BIOS**, try to
+ configure it to start with **UEFI**. Else, if the computer is configured
+ to start with **UEFI**, try to configure it to start with **legacy
+ BIOS**. To do so, try any of the following options if available:
+ - Enable Legacy mode
+ - Disable Secure boot
+ - Enable CSM boot
+ - Disable UEFI
+ 1. Try to upgrade the BIOS to the latest version provided by the manufacturer.
+ If none of these options work, please [[report the problem to our
+ support team|doc/first_steps/bug_reporting/tails_does_not_start]].
+ We're sorry but you might not be able to use Tails on this computer.