Ubuntu Installation :: Partitioning For Dual Boot
May 16, 2011
At the end of this week I'm going to get a new PC. It will have a 80GB SSD ( 2.5" SSD INTEL X25-M 80GB) and a 1TB HD. I want to dual boot Windows 7 and Ubuntu on it.The SSD will be for fast bootup and should also contain the core OS stuff. I will partition it for both Windows 7 and Linux but I'm not certain how big I should make both partitions. I was considering going with 60GB for Windows and 20GB for Linux but is that big enough for keeping the core Ubuntu on?
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Jan 10, 2010
I have a new win7 system with a 500GB HD. What is considered the safest way to partition the disk before installing Ubuntu?
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Jan 29, 2010
1. I have windows xp on my notebook compaq presario v2000.
2. Wanted to load linux as dual boot.
3. Tried with Suse linux, but there was some blank or black screen problem after installation.
4. Someone suggested Ubuntu linux.
5. Downloaded and burned ubuntu on a cd.
6. But this time during installation during partitioning there was a serious problem.
7. On ubuntu webpage they say for partiioning i will get 4 option, but i got only three options in my cd.
8. The missing option was the most important , which was required for dual boot. " Guided resize and use free space".
9. So i had to abort my Ubuntu installation as using any other option could have effected my current xp installation or might have formated my whole notebook.
10. So any comment why the dual boot partitioning option was absent in my ubuntu cd.
11. Or there is some thing to be activated in my notebook setting to enable dual boot.
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Mar 1, 2011
I am attempting to install the 64-bit version of Ubuntu 10.10 on my computer.I'm intending to dual boot Win7 and Ubuntu with one hard drive that came factory partitioned into two drives. Win7 was installed first.Ok, onto the issue. The Install is going well until I get to the Allocate Drive Space form (so almost right off the bat). I first created a swap partition within my "second drive" (really just a partition of the larger drive). This stalled out and I had to exit setup and restart the computer. Booted into Win7 to be safe and Win only recognizes the First Drive and no longer the second drive. So, I boot up the Ubuntu Install CD and get back to the allocate drive space form I see I have a (linux-swap) drive with the same gb space as before.
So, from here I create a partition within the "second drive" 20gb of ext4 type space. This does not stall out and creates a partition of 20 gb. But, now it says I have 175 gb of "Unusable" space. This is very unsettling and using the "revert" button does nothing.How do I fix this space so I can finish the install?[URL]
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Jan 9, 2011
I successfully partitioned my desktop with Gparted and made it into an XP/Ubuntu dual boot.
Now i'm trying to do the same with my netbook (eee pc 1000he), and the existing partitions look funny:
How should I change this to prepare for installing Ubuntu? Can I just install to the unallocated space on the extended partition? I don't need optimal efficiency here, I just need to know where to install Ubuntu for a workable dual boot.
It's confusing to me that Windows is on an extended partition, and also that /dev/sda2 has the boot flag (this drive contains nothing but two undeletable folders titled "amd 64" and "i386"). This set-up is the result of a Windows re-install at a sketchy computer shop.
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Sep 1, 2011
I am about to get a new laptop here soon and I was planning a dual boot like I have on my current laptop (Win7 and Ubuntu), but I have something special in mind. I looked around the forum to see if there was anything like what I had or if it was even possible but I didn't see anything quite like this.I was wondering if this was even possible, and if so, would anyone be able to tell me what filesystem I should use for my windows swap partition?
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Feb 24, 2011
I have Windows 7 starter on an ASUS 1005 HAB, 10 inch, with 149.5 GB HDD. Drive C is 139.03 GB. There is a partition and it has 10 GB (Primary Partition) unlike C it is 100% free and another has 15 MB also free and it is called the EFI System Partition.So to dual boot, how should I prepare the partitions? Do I need make a new partition in what is now drive C?
Keeping at least 45 GB for Windows 7.I have ready to install, Ubuntu Netbook 10.10. Considering trying others as well, like Fedora, Mint or Ubuntu Netbook 10.04.2.
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Jan 31, 2010
I'm running OS X 10.5.8 and Ubuntu 9.04 on a Macbook 4,1, and I want to remove the Ubuntu partition so I can free up hard drive space. However, the linux swap partition is located in between the OS X and Ubuntu partitions, and GParted won't let me remove it when I boot from an Ubuntu Live disk, and OS X Disk Utility can't affect it either. I followed the dual booting instructions here, and I pretty much just want to undo all of it and get back to an OS X only machine.
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May 1, 2010
I don't want sympathy, but merely explain what I'm up against. I'm 63 years old. I'm on medical and mental disability (Cognitive failure, the beginning of Alzheimer's). I used to be a good computer tech, but now, because of my memory problems, I don't remember how to do a lot of things with a computer.I'm seeking assistance (not 24/7 help or hand-holding)to help me reformat,partition, and set-up a dual-boot for both WIN 2000 Pro and Ubuntu Linux to operate programs where I can use my Amateur (Ham) Radio in digital modes (PSK-31, PSK-64, BPSK, cw, etc). I'm choosing NOT to run Ham Radio DeLuxe, as it's bloated with M$ "code" and could be hacked and messed with.
The hard drive is a Maxtor 80 gig (78 g formatted). I have another drive,a Western Digital 40 gig (37 g formatted) that I use for Windows as well, but mostly it contains Excel spreadsheets with Part 90 - Public Safety frequency information for the local (within 250 miles) from my home. It's a FAT 32 and I'd like the 80 gig to match that
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Jan 25, 2010
I have a 2 year old Acer laptop running Windows 7 from a 160 GB HDD. This is currently divided into C:/ for Windows and D:/ for data with two small hidden partitions for Acer Utilities and Windows reinstall.
I ran OpenSUSE v11.2 from a LiveCD and decided I would like to dual boot it with W7. I downloaded the full 4.2 GB OpenSUSE Install DVD and ran that as recommended. All went well until I reached the Partitioning stage where the Intelligent Partitioner refused to offer any option other than delete all the Windows partitions and create a single extended partition for OpenSUSE.
It offers (without option):
Delete Windows /dev/sda2 70 GB impossible to resize (25 Gb are free under W7)
Delete Windows /dev/sda3 70 GB although 40 GB are free
Create Extended /dev/sda2 140 GB
Create swap /dev/sda5 2 GB even though I have 4 GB RAM
Create Root /dev/sda6 20 GB ext4
Create Home /dev/sda7 115 GB ext4
The whole HDD is currently formatted to NTFS as a factory default.
Is their a way to resize sda2 and/or sda3 to install OpenSUSE as their is lots of free space available for this installation?
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Oct 13, 2009
My current laptop (purchased off of a local computer store owner, I think it's brand is generic but it is called a SPARTAN for those that need to know) is running windows 7 professional and I am attempting to install Slackware 13.0. Now, I did the whole partitioning thing under windows (computer>manage>etc.) but for some reason whenever I boot the DVD to install it seems like it cannot read my hard drive. I then went directly into setup > target partition and I notice that it is reading my hard drive because my two partitions that windows exists on is there.
Now, what is says when I use cfdisk is that it seems to be reading the DVD and it gives me an error saying that the disk is read-only (which I see why). Is there a step I'm skipping while preparing the hard drive while under windows or is there just something wrong with my computer completely? I tried to read the readme and attempted to use fdisk but it's really confusing for me considering I have never used terminal type code before (except random DOS commands). I can get it installed in virtualbox but I just can't install it on the main computer. If it's worth mentioning, I downloaded the DVD ISO off of the website.
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Sep 23, 2010
I have a problem trying to install CentOS 5 as a dual-boot with my Windows 7. Using Windows tools, I shrunk my main partition and created about a 100GB of unallocated free space. Then, I restarted my computer, booting from the CentOS dvd, but when choosing "Use free space on selected drives and create default layout" option during installation, I get an error saying that partitions couldn't be allocated as primary partitions and that there is not enough space left to create partition for /boot.
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May 16, 2010
hey guys i am trying "again" to dual boot on my gaming computer, and i am failing miserably. i boot the cd, it detects the hard drive i set the partitions and press finish and either on the partitioning or the files copying the installer crashes. what can i do to make it work with raid 0 (nvidia chipset).
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Mar 1, 2010
partitioning my hard drive to dual boot windows 7 and open suse
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Jun 28, 2010
I referred to this video, to install ubuntu(NOT on windows partition) and also run windows XP, and im well enjoying ubuntu. i have some hard-disk issues, and i'm going to format the whole hard-disk. I will format and repartition using windows xp installer. I'm leaving 20 GB for ubuntu. So I can install ubuntu in 2 ways...
1) While re-partitioning, i can leave 20 GB unallocated and later put ubuntu there
OR
2) Install windows XP the normal way, and then allocate 20GB for ubuntu using GPART - by shrinking a windows partition. (as shown in video)
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Nov 10, 2010
Here's the situation: I have the newest release of Ubuntu running in dual mode with a constantly failing Windows XP. I installed with GRUB and had no issues, but wanted to have access to the Windows files from Ubuntu (it did a logical partition and I couldn't locate any of the Windows files), allocate more space to Ubuntu and make the dual mode more efficient. Last night, I read up on how to do these things, went to GParted to briefly look at how the partitioning process would work. I believed that I took no action, shut down, and now the computer won't boot. It brings up the HP load screen with the Boot Device Menu and ROM Based Setup but immediately goes to a black screen with a flashing white bar. I tried restoring my defaults in the BIOS and I tested the RAM and HDD, each failing to resolve my issue. I'm assuming that whatever I've done is keeping the computer from knowing where to boot from.
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Mar 28, 2011
To structure the layout of my partitions. I'm installing Windows 7, Backtrack 4 R2 and Ubuntu 10.10 Desktop on my laptop. I've got a 500 GB HDD named sda.
I've already installed Windows 7. It's my opinion that it's easiest to begin with Windows.
The partitions look like this right now:
The Windows installation is unencrypted and I want it to stay that way. It's only there in case my laptop gets stolen, I've installed various nasty things there.
The Backtrack 4 installation will also be given 100 GB space, I want it to be encrypted. The Ubuntu installation should get the rest of all the remaining space and preferably be encrypted but it's not 100% necessary.
How I should partition this? There's a limit on 4 primary partitions? How do I circumvent this? There should be one dedicated GRUB partition which will point to each of the installations own boot loaders?
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Jun 5, 2010
I am quite experienced user of Ubuntu desktop / server distributions. Recently my desktop 9.10 disk failed and I decided to reinstall using 10.04. My configuration is a dual disk dual bot system. I have XP Pro SP3 on one disk and Ubuntu 10.04 on second. XP has own, untached MBR ubuntu got Grub 2 installed on the same disk as Ubuntu. Ubuntu disk is booting first in BIOS. Grub 2 detected both system, however I can boot only to Ubuntu. When I am trying to boot XP I got black screen only. Looks like booting is stack in BIOS stage, because crt+alt+del reset system.
I read Ubuntu forum, search Google and did not come with any solutions. My XP MBR is OK. I can boot directly, choosing XP HDD in BIOS as a starting disk. All entries in grub.cfg looks fine to me. I made 3 different clear installations of Ubuntu. Each with the same result. I reinstaled Grub2 with no effect. I wonder if this may be a hardware/Grub 2 compatibility issue. I am using quite old components.My motherboard is Assus P4C800 Delux. I have 5 HDDs 2 CD. Exactly the same configuration was OK with 9.10/XP dual disk dual boot using Grub legacy.
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Jul 24, 2011
I currently use Ubuntu full time, but on my new one I am planning to dual-boot. My new computer will have a 500GB HD and 4GB Memory. I plan on using Ubuntu more than Windows, specifically for internet applications etc. Windows I plan on using for media and such. I will be partitioning the hard drive manually, and would like to know how much room I should give each OS, how to create a large section for all my files to swap (how does swapping work?) and any other partitions I need to make for recovery. I've read the Ubuntu and Windows "How to Dual-Boot" tutorials, and I still feel kind of lost on a general size for partitioning each section.
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Jul 4, 2011
I just found out about Linux and well I love it, it's fast, sleek and easy to use design make it rise above the competitors. So this is where I'm at. I have the latest version of Fedora on a thumbdrive and I when the thumbdrive is plugged in and I turn it on it boots up Fedora, but everytime I turn it off I lose all data and I start a fresh session. So when I got to instal Fedora to my hard drive. [URL]
Now I read a few articles on how to do partitions but, all of them want me to put in the original windows 7 instal cd/dvd into my laptop and somehow partition. But here's the thing I'm on a Compaq Mini real solid computer I love it but thats beside the point. What it really comes down to is how I do I get this dual boot working without having to reset everything and pretty much is there alternative for partitioning.
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Sep 27, 2010
I bought a new laptop having the following specs:Processor: Intel I5RAM: 6GBHD: 500 GBVideo card: nvidia with cuda with 1 GB RAM.My Hard Disc already has 3 partitions: C=448 GBs (where windows 7 is installed=64 bit) D:Recovery (16.5GBs) and E:HP_TOOLS (99MB).I want to have dual boot and install linux also. BUT I dont want to delete the other partitions as well. How do I do that?Am I able to shrink C partition without disturbing windows installation and creat another partition in C drive? What it will be called: Primary or logical partition?
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May 16, 2011
I'm going to install and dualboot pinguy os with my current install of Ubuntu 11.04.I'm stuck on the advanced partitioning part, how do I give Pinguy a 30GB hard drive?And does this involve creating a new partition table?
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Dec 30, 2010
I have a (slightly complicated) dual/multi boot system.
I keep getting boot errors (when choosing ubuntu from the grub2 menu)
Code:
Serious errors were found while checking the disk drive for /boot
If I switch off and restart, ubuntu will then start without issue.
My setup is like this ....3 disks, one with 10.10 clean install - so Grub2, separate partitions for /, /boot and /home, one with windows 7, one with windows XP and 10.04 wubi (this is my old disk which I will trash once I'm happy with my upgrade to 10.10 & 7 on separate disks.
I installed 7 and 10.10 with ONLY their disks installed. After both were working, I added all disks and rejigged the grub2 menu (using update-grub and StartUp-Manager).
This problem only seems to occur if my previous boot was not 10.10 ( I will investigate this further). It's as if something (grub2 ?, the bios ?) is remembering part of the previous boot and not using the grub2 menu completely.
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Mar 23, 2010
I had a dual boot machine with fedora 12 and windows vista and I could use grub boot-loader to switch between two. Few days ago windows got corrupt and I have to reinstall it. I put windows 7 now and as usual it erased grub. So to reinstall I put the fedora 12 installation CD on and followed some usual setup steps. When I got the command line I issued the command "grub-install /dev/sda" (sda not hda because It showed bunch of sda, sda1..) but surprisingly it said grub command not found. I remember doing it before while it worked fine.
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Jan 18, 2010
Have just installed 9.10, again, many failed attempts previously.Cannot get to boot up and show menu on dual boot with Vista initially,However when I delete the grubenv file the system boots ok and works fine.But does not show the grub menu to choose boot up choices.Got the information to delete the file on some posts elsewhere about booting problem, and tried a longshot and got into Ubuntu for the first time from trying to install now for 3 months!The problem is the file grubenv is created each time so on subsequent boot ups the sytem fails to boot again.The Grub version is 1.97 beta 4, most up to date for Karmic I think, I have seen a version 1.98 but dont think its for Karmic?
Is there a way to modify the grub.cfg file to stop this problem ( all posts say dont touch this file??Or install a script to delete the grubenv file on shutdown as a workaround for me, (I have no idea how to do this whatsoever, I'm not familiar with linux at all)I did read that this problem was fixed/patched in Grub version 2, but dosn't seem.so on my system afetr I updated it when I got into Ubuntu.I couldnt find the patch or fix, I got the information I am on about from this post:URL...It seems to say it was fixed or patched by Colin Watson reading through, but I don't really understand whats being said or how to get the patch on my system if indeed there is one?Sorry for being a bit thick about all this, its a bit beyond my brain now, hope somebody can help out as I have enjoyed my brief bit of fun in Ubuntu.
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Jul 8, 2010
I have a netbook running Windows XP as standard. There is also a recovery partition which came from the factory.
In the past I installed Ubuntu (I think 9.something) from USB key and all worked fine. However my XP became corrupted and I needed to do a repair on it. After this, Ubuntu became removed from the boot select menu.
Since then, Ubuntu has become updated to 10.04, which I now cannot install.
The Live CD tells me there is a "file IO error" and simply stops installation at around 70%.
I did manage to get into Ubuntu from a Live USB using Wubi. However when I chose to install Ubuntu to a Harddrive, the option to "install side by side" was missing.
After reading on the forums, I did a chkdsk /f on Windows and tried again. Now my liveUSB does not show a boot menu!
When I select to boot from USB stick, the screen goes blank with a flashing cursor. Ctrl+alt+dlt reboots.
I'm really lost here! It seems when I fix one problem, another problem arises!
Also when trying to instal Ubuntu within Windows, the process goes through to 100% and asks me to reboot. When I do so, the option for Ubuntu does show in the boot menu. However when I select it, I get an error "Windows boot failed: file wubildr.mbr and status: 0xc00000f - something is corrupt".
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Jul 18, 2010
I have Ubuntu 10.04 LTS and Windows XP installed on my laptop. Usually when booting, I get the GRUB 2 menu and I can boot into either Ubuntu or XP.I was playing around with EasyBCD, then after trying to remove it I was unable to boot into Windows, I used a Windows 2000 CD recovery console to fix the MBR (using: fixboot and fixmbr).Now Windows starts up when I power on, but I don't get the grub menu anymore with an Ubuntu option. If I boot from the Ubuntu Live CD and try to mount my Ubuntu partition (/dev/sda5) I get this error:
mount: wrong fs type, bad option, bad superblock on /dev/sda5,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
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Feb 10, 2010
I recently got a netbook and setup as dual boot between win7 starter and 9.10 (64bit). Win 7 starter is not impressive so i want to nuke it and give the space all to my /USR partion. I am comfortable working with Gparted and assume that i can launch using my gparted live usb and delete the windows partion and then resize the /usr partion.
what changes do i need to make w/ Grub2? I would prefer not to see the Grub menu at all and have it load right the main kernel if possible. Also, if this is possible is there a way to get to the Grub menu during boot should i need to select a different kernel?
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May 7, 2010
I have just installed Ubuntu 10.4 x64 onto a machine with Vista Ultimate x64. When I boot the machine, the Windows option comes up in the GRUB menu. However, when I attempt to boot Windows, I receive the following error: No such device: de80ab9f80ab7d21. error: No such partition. Press any key to continue...
I looked around and found a similar issue at [URL] However, before trying to fix the issue by guesswork or via solutions that worked for a similar, though not necessarily identical problem. I've run the boot info script (see output below) mentioned several places on this site as a valuable input for boot problem tracking. how to get Windows to boot on my computer?
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Oct 18, 2010
I have searched and read threads about the Bitlocker, grub and TPM issues that might show up, but I can't draw any conclusions as some information contradict each other. To make sure I don't screw up my pc as thought I need to make a new post.
At work I'm supposed to run Windows 7 and encrypt the win-partition with Bitlocker. I have installed Windows, turned on the encryption and it ties into the TPM. But as I am moving over to the *nix department I want to run Ubuntu as dual boot to check everything rusn fine with all the systems I need. Before I installed Windows I partioned the disk:
1,5 GB for system/bitlocker requirement
147 GB for Windows, C:
85 GB which is empty where I intend to install Ubuntu (not formated yet)
I boot into Windows with my bitlocker/TPM key on an USB-stick. Without the usb-stick the pc won't boot. Now, before I try to install Ubuntu I want to make sure to do it the right so I don't mess up the Windows installation or won't be able to boot the pc at all.
There seem to be several "schools" to this. Some suggest I should have installed Ubuntu first, then Windows and then encrypt. Some say, no worries just fire away and install since you are not planning to read the windows-partition from Ubuntu. Or an alternative, install but make sure to deactive the encryption during installation. Some say, install but make sure grub is installed in (multiple choices) location.
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