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Old 04-06-2021, 06:28 PM   #1
puppymagic
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Registered: Mar 2010
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Red face Bought a new laptop, installed Win 10, and then installed Kubuntu


It was running Win 10 fine for a few days.

I installed Kubuntu to have a dual-boot laptop

but the problem is

After installing Kubuntu 20 LTS

the GRUB 2 show when I turn my laptop on

but it does not show Windows

And when I enter Kubuntu, Kubuntu does not recognize Windows partitions
 
Old 04-06-2021, 06:44 PM   #2
berndbausch
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Perhaps you overwrote your Windows installation? Which partitions does Kubuntu recognize, and how did you check that?
 
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Old 04-06-2021, 06:54 PM   #3
TB0ne
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Quote:
Originally Posted by puppymagic View Post
It was running Win 10 fine for a few days.

I installed Kubuntu to have a dual-boot laptop but the problem is After installing Kubuntu 20 LTS the GRUB 2 show when I turn my laptop on but it does not show Windows And when I enter Kubuntu, Kubuntu does not recognize Windows partitions
Haven't we been here before??
https://www.linuxquestions.org/quest...ed-4175561639/

...where you also didn't follow up. If it's a new laptop, you can either do a full restore of Windows and wipe out Linux. And do an install where you actually follow an installation guide (here is one of MANY you can look up for yourself):
https://www.ubuntubuzz.com/2020/09/h...nal-drive.html

Or you can post some details about your partition structure, what you've done/tried so far, etc. Typically the Linux installers will automatically set up dual-boot, but you don't say how you did the install, what you see on the menu, or give any details. Since you've now been using Linux for *TEN YEARS*, you should be easily able to provide these things.
 
Old 04-06-2021, 07:01 PM   #4
rnturn
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Registered: Jan 2003
Location: Illinois (SW Chicago 'burbs)
Distribution: openSUSE, Raspbian, Slackware. Older: Coherent, MacOS, Red Hat, Big Iron IXs: AIX, Solaris, Tru64
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Quote:
Originally Posted by puppymagic View Post
It was running Win 10 fine for a few days.

I installed Kubuntu to have a dual-boot laptop

but the problem is

After installing Kubuntu 20 LTS

the GRUB 2 show when I turn my laptop on

but it does not show Windows

And when I enter Kubuntu, Kubuntu does not recognize Windows partitions
Caveat: I'm not a dual-booter anymore. The problem could be as simple as a missing section in the Grub config file that corresponds to the Windows OS.

Before performing surgery on the Grub configuration, try issuing the following to get a report of what partitions you actually have on disk:
Code:
$ script fdisk-command.log
Script started, file is fdisk-command.log
$ sudo fdisk -l
[sudo] password for root: <whatever>

<fdisk output>

$ exit
exit
Script done, file is fdisk-command.log
$
You should see the partition tables for all attached disks. One disk should have a Windows partition listed (in the far right-hand column) of one of the partition tables. On a laptop, there's likely only one disk/one partition table.

Either upload/attach that log file (see the "Additional Options / Attach Files" pane) or issue "cat fdisk-command.log" and paste the results into the Message pane, highlight it, and enclose it within "code" tags. (See the "#" above the Message pane.)

Good luck...
 
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Old 04-06-2021, 07:40 PM   #5
colorpurple21859
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Registered: Jan 2008
Location: florida panhandle
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opne a terminal post the ouput of the following:
Code:
sudo parted -l
cat /sys/firmware/efi
 
Old 04-07-2021, 06:30 AM   #6
yancek
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More information is required as suggested above but 2 common reasons for this scenario are installing in different modes, windows likely UEFI and Kubuntu Legacy or having left windows hibernated so that the windows partitions will not be mounted/accessible.
 
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