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Dual boot the easy way
Windows can stay on your computer, when you install Ubuntu! It's handy to turn your computer into a dual boot machine. That way you can choose each time you turn on your computer, what operating system you want to boot: Ubuntu or Windows.
It's easy to turn your computer into a dual boot:
Menu - click the button Computer - click Local Disk (C:) - in the menu bar, click Properties - tab Tools - Error checking: click the button Check now...
Check only the first option box:
Automatically fix file system errors
See this screenshot (click to enlarge):
In Windows 8.x and 10 the procedure is as follows:
- Swipe in from the right edge of the screen and tap Search. Or if you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search. Enter This PC in the search box, and then tap or click This PC.
- Right-click the drive you want to repair, and then tap or click Properties.
- Tap or click the Tools tab, and then, under Error checking, tap or click Check. Administrator permission required! You might be asked for an admin password or to confirm your choice.
- Follow the instructions. You might need to restart your PC after the error checking has finished.
Note: defragmentation is unnecessary! That saves a lot of time....
- Shut down your computer.
After the installation you can reconnect all your peripherals again; they'll probably work out of the box then.
Wire your computer: temporarily establish internet connection with an ethernet cable, wired internet therefore. If you have a laptop, connect the power cord as well: you definitely don't want to run the risk of an empty battery during the installation of an operating system.
Important: the next step, step 4, is only necessary for computers with Windows 8.x or 10. If you have an older Windows, then skip step 4 and proceed with step 5.
some settings changes before you can install Ubuntu next to it.
The DVD has to be completely error free. If it's not, burn a new DVD at low speed (4 x).
b. Then choose "Try Ubuntu (without installing)" in the boot menu of the Ubuntu DVD. In the trial (live) session you can find out if all the hardware works like it should. Note: in the live session Ubuntu functions much slower than usual!
c. You can start the installation by clicking the special desktop shortcut. The installer will start by asking you a couple of questions. Only after you have made a choice for partitioning, installation will begin.
You'll be presented with this window (click on the picture to enlarge it):
Tick "Install third-party software (etc.)". If you need to install third-party drivers and you haven't turned off Secure Boot before starting the installation (which would have been advisable), tick "Turn off Secure Boot" as well. Then click "Continue".
(continued in the column on the right)
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(continuation of item c)
Then choose the "alongside Windows" option, so that your Windows will be safe. Click on the picture to enlarge it:
Note: When you don't have much experience with Linux yet, then do not select the LVM option! Because that drastic option is only meant for advanced Linux users. This option can cause a lot of trouble for people with little Linux experience....
The Encrypt option is also potentially risky; only use it when it has a clear security advantage. For example on a computer that sometimes leaves your house and which contains sensitive information (like a laptop that you take with you to your work).
But don't apply the Encrypt option on a computer that's always in your house, like a desktop computer which is only in use by you and your family.
The disadvantage of encryption is, that your important data will be forever unreachable when you, for example, forget your password. Encryption is a very powerful tool; like all powerful tools, it should be handled with care.
this potential solution.
Don't worry: the installer respects the disk space that's already in use by Windows files, and only proposes to divide the remaining unused space on the hard drive.
This proposal looks approximately like this (click on the picture to enlarge it):
The mouse pointer is at the divider: move the divider at will. Ubuntu is on the right.
Click Install now.
In principle, you could simply agree with this proposal of the installer. However, on small hard drives the installer tends to underestimate the disk space (the surplus empty "breathing space") needed by either Windows or Ubuntu. So you may want to increase the disk space for either Windows or Ubuntu, by moving the slider with your mouse.
Note: Give Ubuntu preferably no less than 20 GB. Ubuntu is the block on the right.
In other words: the installer assumes automatically (by default) that you don't want to wipe Windows and that you want a dual boot computer. Ubuntu is user friendly!
Note: Can't you finish the installation because it stalls halfway? Then maybe removing the slideshow can solve it (item 4, left column).
Now the installation of Ubuntu takes place and in the end you have a dual boot computer.
Usually you can fix that by another change of the configuration of the UEFI (BIOS). In the "boot options" of the UEFI, find the item "OS boot manager". Select it, press Enter and place Windows Boot Manager at the bottom (for HP laptops you can do that by means of the F5 key).
See the screenshot below, of the relevant part of the UEFI settings of an HP laptop (click on the image to enlarge it):
During the first Windows boot you might therefore see a blue screen with white letters, informing you that Windows is checking the hard disk and "repairing" it. Simply let it do its job.
Afterwards Windows will want to reboot. Go along with it. Then Windows will be used to its new disk space and will function normally.
polishing your new operating system.
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