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I have a 64-bit laptop with windows 10 installed.
I am using this everydaylinuxuser tutorial to install Ubuntu.

When I come to point of selecting the drive to install Ubuntu on I'm not able to do this.

that + sign is disable.please help.

Zanna
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Varun Kamani
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1 Answers1

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There are some (free) Windows programs to make logical partitions out of primary ones, see e.g AOMEI, MACRORIT or EaseUS. I never used one of them, so I cannot tell how secure they are. There is also a video tutorial - and many more of them.

If you find one of that useful, run it from windows, then convert the partition after the free space (in your image: sda3) to logical, which will create an extended partition containing the logical partitions sda3and sda4. Try to decrease the size of the last partition (as there are ~100G free), so you have free space in the extended partition - and Ubuntu should present this as possible for installation.

And always be sure to have a valid backup of your valuable data!

ridgy
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