For questions regarding the installation of two or more operating systems on a single computer.

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51 views

How to fix brightness on Ubuntu 14-04 LTS installed on macbook pro 2012 13"

I installed Ubuntu 14.04.02 as dual boot in a macbook pro 2012 13 I noticed that all function buttons works but except those that regulate the brightness of the screen.How do I fix this problem?
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1answer
28 views

Uni wired connection does not work in dual boot ubuntu 14.04 (with Win8.1 installed on the same machine)

My wired Internet works perfectly on Windows (automatic settings from Windows). In Ubuntu, wired connection sometimes works, sometimes it doesn't, and it's also on the automatic settings. I read the ...
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0answers
22 views

can't boot repair dualboot [duplicate]

I have been messing with Ubuntu for the past week or so with many problems in the process. I have a Lenovo Thinkpad with 500GB of HDD. I have managed to install Windows 7 on a 350GB partition and ...
0
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0answers
29 views

Files in external HDD visible in Ububtu but not in Windows 7

My external HDD: FAT32 1TB Transcend Storejet Ubuntu: 14.04 Windows: Windows 7 I connected my external HDD to copy some movies on Ubuntu and then every-time I connect on Windows my ext HDD shows no ...
0
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0answers
35 views

Upgrade Ubuntu 7.04 to Ubuntu 14.10 on dual boot system using USB stick w/no network [duplicate]

I have an older laptop that has Windows XP and Ubuntu 7.04 installed with no network connection currently. I can boot either partition using GRUB to select which to load. Since the Ubuntu version is ...
0
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3answers
69 views

How shall I partition my hard drive for Ubuntu (with Windows in virtualbox)

I dual boot installed Ubuntu 12.04 and Windows 7 on a hard drive before. I remember Windows has to be installed on a primary partition which has to be at least of certain size. Now I get a new hard ...
0
votes
1answer
24 views

how to exchange unusable space to ext4 in ubuntu 14.04 installer?

I am trying to install ubuntu 14.04 along side with windows 8 : when I try to create an ext4 partition after creating one ext4 and swap , remaining space changed to unusable how should I prevent ...
0
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0answers
22 views

Problem with dual-booting with Windows and Ubuntu [duplicate]

I have a dual-boot with Windows 8.1 and Ubuntu. When starting my machine I see: error: unknown filesystem Entering rescue mode... grub rescue> Why is this happening and how can I fix it? I am ...
0
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0answers
20 views

How do I remove Grub without a USB or Recovery DVD? [duplicate]

I'm dual booting Ubuntu 14.04 and Windows 7 and I want to know how I can remove Gnu Grub and have it go straight to the default Windows bootloader. I do not have a recovery DVD and the USB drive I'm ...
0
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0answers
19 views

OS not found on sony vaio [duplicate]

I have installed Ubuntu 14.04 on my Windows 8 Sony Vaio SVE151L11W computer. Now I want to dual boot it with Windows 8 but on Live USB booting an error comes showing "Operating system not found" even ...
10
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6answers
2k views

Is it safer to install two OSes on different hard drives or just different partitions? [closed]

If I dual boot install both Ubuntu and Windows, is it safer to install them on two different hard drives than different partitions on the same hard drive? What risks may be involved? For example, ...
0
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0answers
24 views

How to partition Ubuntu for future Windows install?

I'm installing Ubuntu for a laptop, where there is a possibility for a future Windows install for a multi-boot setup. I heard many stories what can go wrong if I go with this order and not Windows ...
0
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0answers
41 views

Can't dual boot Windows 8.1 and Ubuntu

So I have a Lenovo Ideapad p3000 laptop and I have followed all the common procedures prescribed to have a dual boot but Windows still boots directly. Grub will not load on my laptop. I have even F12 ...
0
votes
1answer
46 views

Unable to Load Windows 8.1 After Dualbooting with Linux

I am very new to Linux and have come across this error when trying to fix the boot issues. If anyone has any advice or even the answer to my problem, please let me know so I can successfully reboot my ...
0
votes
0answers
15 views

REturns to win7 after reboot @ubuntu install

So I thought it be cool to give a try at Ubuntu. Did a clean install first of Win7 onto my new SSD. I than partitioned 40gigs for Ubuntu. I made an USB drive with Ubuntu on it, booted from it. ...
1
vote
1answer
43 views

Is there a way to boot into grub on a mac rather then OSX?

I have successfully installed Ubuntu 14.04.2 on a Mac Mini(late 2014).Now I can get to the new installation by pressingAlt > EFI BOOT to get to GRUB and selecting Ubuntu to boot the OS. My question ...
1
vote
1answer
57 views

Cannot boot to Ubuntu even after trying Boot-Repair

I installed Ubuntu 14.04 on an sony vaio pro 13 laptop via USB flash drive. Installation was successful. But my laptop still starts Windows, and there is no way to boot to Ubuntu even I did try ...
0
votes
0answers
17 views

How to get back on windows 8? [duplicate]

I have tried to install Linux Mint, but my laptop doesn't allow it. It is a Toshiba laptop. Firstly I tried to install ubuntu, but it didn't accept the install. Then windows 7, and after that ...
0
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0answers
19 views

enable trim for mounted ntfs partition on dual boot system [duplicate]

I have a dual boot that I set up following this great manual on lifehacker (http://lifehacker.com/5403100/dual-boot-windows-7-and-ubuntu-in-perfect-harmony). So I have just like the author 4 sda ...
0
votes
0answers
31 views

Dual boot Windows 8.1 and newest Ubuntu, separate HDDs, Removable HDD caddy for laptop

Okay so a few months back I bought a new HDD for my laptop and installed Windows 8.1 onto the new HDD in place of the old HDD, I then bought a caddy to use my old HDD in place of my DVD drive seeing ...
0
votes
1answer
36 views

Startup problems - Dual-boot Windows 8.1 and Ubuntu 14.10

I bought a new Notebook some days ago and used to use Linux on it. As it was with an original Windows 8.1, I decided to create an dual-boot because I didn't actually wanted to lose the free license by ...
1
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0answers
25 views

Windows 8.1 Dual Boot Ubuntu 14.04 - dmraid and fixpart

I'm trying to install Ubuntu 4.14 on dual boot with Windows 8.1, but when beginning the LiveUSB the Ubuntum, the partitions created by Windows 8.1 are not recognized, reports that all is HD as ...
0
votes
1answer
34 views

How to get OS option (dual boot) when i have two OSs on separate disks?

I have two HDDs on my PC, one has Win7 and the other, Ubuntu 12.04 (with boot). To choose which OS to use, i have to change my boot priorities from BIOS. How can I get it to ask me which OS to boot ...
0
votes
1answer
37 views

Grub not coming up when laptop starts

I had dual booted my laptop with windows and ubuntu 14.04 and it was running fine only until my windows was infected by virus and so I had to refresh it. After refreshing when I restarted my laptop my ...
2
votes
1answer
41 views

Kernel Panic block (2,0)

This is my first question here and I'm trying to give as much information as possible: I tried dualbooting Linux Ubuntu (first Gnome then regular Ubuntu) with windows 8 on my Lenovo U310 Ideapad. I ...
0
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0answers
70 views

How to dual boot Ubuntu 14.04.1 with mac os Yosemite

I am trying to install Ubuntu 14.04.1 in dual boot on mac Yosemite. I installed refind, I created a bootable pendrive with Universal USB Installer. After running Ubuntu from menu refind, a black ...
0
votes
0answers
74 views

Ubuntu 14.04 laptop and monitor problem

I meet with this problem second time. I'm using a laptop with dual boot. I use Ubuntu 14.04 and Win7. I have a 21,5" monitor plugged with HDMI cable to my notebook. I did this: my laptop was turned ...
0
votes
0answers
22 views

triple-boot pc: move grub and unify partitions

I have a triple-boot pc with following partitions: sudo fdisk -l Disk /dev/sda: 750.2 GB, 750156374016 bytes Device Boot Start End Blocks Id System /dev/sda1 * ...
1
vote
1answer
69 views

installation stuck at detecting file system

I am trying to install Ubuntu 14.04.1 (i386-32 bit) dual boot with Windows 7 (home premium 64 bit). I created a USB stick correctly, Checked for md5sum. After manual option, I created swap, /, /home ...
0
votes
1answer
48 views

How to dual boot between Windows 7 and Ubuntu? [duplicate]

I have installed Windows 7 a couple of years ago, now install Ubuntu for academic purposes, partition the disk and perform other procedures in the installation. But when I restart the computer I can ...
0
votes
1answer
32 views

Windows7 Not Selected As Default On Boot Up (Dual-Boot) [duplicate]

I have successfully done dual boot on my HP 248 G note book. Ubuntu on SDD caddy Windows on HD. When I start the notebook it starts with ubuntu first. Is there a way I can set Windows to boot ...
0
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0answers
35 views

Windows partition encrytped ,unable to boot from grub menu

I added a window 7 entry to 40_custom under /etc/grub.d . The windows entry appears in the grub menu after a grub update , but when I click on the windows option, I get an invalid signature . I used ...
0
votes
0answers
57 views

Can not boot Windows 7 after install Ubuntu 14.04

Hi I am having problems for booting windows in latest ubuntu 64 bit which boots normaly, its a laptop and never had windows installed and uses UEFI and Legacy modes. This is part of the ...
0
votes
1answer
34 views

Dropbox indexing is much slower in Ubuntu than in WIndows

I dual-boot Ubuntu 14.04 and Windows 8 with a shared NTFS storage partition. My dropbox folder is on this shared partition. First, I notice that whenever I switch back and forth between the two OSes, ...
0
votes
1answer
31 views

Grub2 doesn't show Windows 7

I did reinstall UBUNTU 14.04 after having some issues with grub, the problem is that I can't access to my windows 7 anymore as the grub menu shows only Ubuntu partition. P.S/ during the ...
-1
votes
1answer
25 views

Dual boot home premium with ubuntu 14.04

I am using a usb to dual boot windows home premium with ubuntu 14.04. But my problem is that whenever i Choose the option Install Ubuntu with windows side by side and click on install my laptop starts ...
0
votes
1answer
25 views

change default paths of (Music, Pictures, Temples, installations, ECT)

I have my 250GB HDD split up into 3 partitions. 25GB has a windows 7 installation. 25GB has Ubuntu 14.04. 200GB is simply an empty NTFS partition. I have done in the past with windows instaltions ...
1
vote
1answer
25 views

Trying to do an Ubuntu/Windows dual install but only Windows 7 pops up

So I've been running Ubuntu without Windows. I got a Windows 7 live CD and tried to do a Windows 7/Ubuntu dual boot but I couldn't get the boot to load correctly so I decided to go back to just ...
0
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0answers
14 views

Issues with BootRepair and GRUB [duplicate]

I have got a new Acer net book with Windows 8 and EUFI on it. The first thing I attempted to do was install Parrot Sec Linux, and I did so with a boot able USB created with Win32DiskImager. I was able ...
-1
votes
1answer
13 views

Can't boot anything

I'm selling my laptop, so i decided to erase my Ubuntu partition, so i got the grub screen, at that point i could still access the boot menu trough initrd, but after following a tutorial in how to fix ...
0
votes
0answers
21 views

''Radio device: ideapad_acpi' is a huge battery drain on my Lenovo Ideapad U410. Running Ubuntu 14.04

So just a few days ago I installed Ubuntu for the first time ever on my laptop - Lenovo Ideapad U410. I am dual-booting Ubuntu 14.04 and Windows 8.1. Although since the beginning I've been fixing many ...
0
votes
0answers
15 views

fdisk /dev/sda fail, possible to restore?

I'm new here, so I hope I post this in a place where someone is able to help me. Earlier today I was messing around with fdisk to be able to run my windows partition through a VirtualBox. At a point ...
0
votes
2answers
83 views

How to solve “boot in insecure mode” error?

I'm trying to install Ubuntu 14.10 x64 on my laptop. But I always get "booting in insecure mode" message and then nothing happens. My laptop has BIOS Legacy not UEFI. There's any option about security ...
0
votes
1answer
29 views

Ubuntu-gnome now alone on harddrive, how to remove multiboot menu [duplicate]

I want to remove all trace of multi-boot now and make Ubuntu boot up without grub that was installed when Windows 7 was there. Now Windows 7 is gone but not the boot menu. How do I remove this?
0
votes
1answer
48 views

boot from USB drive Ubuntu or Windows 8

As security I would like only when I have the USB drive plugged in the laptop to be ask if I would like to boot my Ubuntu desktop otherwise to boot my installer Windows 8 . Could anyone let me know if ...
0
votes
0answers
19 views

New Notebook Medion Akoya E7416 (MD 99460) Linux compatible? [duplicate]

I want to install Ubuntu and would like to know, if this notebook with Intel Core i5-5200U will work with Linux. OS is Win8.1. I tried to start Linux from a stick, that failed. On other machines it ...
0
votes
3answers
46 views

Ubuntu is not finding swap partition

I booted Ubuntu on to a new computer today. I created 3 partitions 20g for operating system 200g encrypted /home and 12g swap. But sudo swapon -s brings up nothing and when I boot it also say swap not ...
0
votes
0answers
52 views

initramfs problem with Installing Ubuntu from USB on ASUS N61Jv

I struggle with the installation from USB. I downloaded the latest version of Ubuntu (ubuntu-14.04.1-desktop-amd64) and then formatted the USB and burnt the iso. The checksum was OK. I removed the ...
2
votes
1answer
81 views

Dual Boot Win8.1-Ubuntu 14.04 - Cannot load Win8.1 after reinstalling Ubuntu

As suggested by the title of the topic I'm having troubles with the dual boot of Win8.1 and Ubuntu 14.04.....forgive me if the post is gonna be a little long, but I guess it should be better to ...
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votes
2answers
39 views

Is it bad to use ubuntu and windows on same machine? [closed]

I am dependent on some of application like Photoshop and illustrator. I know these apps has alternative at ubuntu. But these has not enough feature like Photoshop and illustrator. In that case I am ...