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Old 05-23-2013, 06:05 AM   #1
nidishady
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Problems with Windows and CentOS dual-boot


i have already installed windows7 now i want to install cent os how to install cent os?i tried to install using custom layout mode it's saying not enough space in the disk though i have 80 gb for linux in that drice where i want to install cent os please help me?i tried to install in logical drive...where i do have two primary and one extended logical drive...

Last edited by nidishady; 05-23-2013 at 06:06 AM.
 
Old 05-23-2013, 06:07 AM   #2
pan64
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probably you made a mistake during the configuration. during install you need to specify the target partition.
 
Old 05-23-2013, 06:08 AM   #3
shivaa
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Hello and welcome to the forum,

First of all, it's not urgent for us at all, so please don't demand any urgency, instead of this use a proper and relative thread title.

However, how are are installing CentOS - in dual boot with Window? How you've partitioned your windows OS?
 
Old 05-23-2013, 06:09 AM   #4
nidishady
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no i have used that drive only which is free one that is 80GB bt still it says not enough disk space in selected drive why it is saying like this?i tried since 4hour
 
Old 05-23-2013, 06:11 AM   #5
nidishady
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@shivaa yeas its in dual boot mode..i used easeus partition manager to partition my harddisk
 
Old 05-23-2013, 06:29 AM   #6
whizje
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Can you post the size and type of partitions you created.
 
Old 05-23-2013, 06:48 AM   #7
nidishady
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its 80GB partition for linux...140 GB for windows and other one drive is around 500GB i would like to install in 80GB free drive...i was able to create one partition in custom layout mode...any partition whether its swap or /boot or / anything but only one partition in that free drive by giving the size for that partition but couldnt create another partition may be /boot or / or /opt or /usr those kind of things i couldnt create and says couldnt create the partition not enough disk space though i have given 8000MB for swap....
 
Old 05-23-2013, 06:49 AM   #8
shivaa
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Quote:
Originally Posted by nidishady View Post
@shivaa yeas its in dual boot mode..i used easeus partition manager to partition my harddisk
First check that how many partitions are there in your Windows (My computer > Manage > Disk Management). There's should be max. 3 partitions for Windows and rest space should exist as free space. You can then install CentOS on that free partition i.e. unallotted partition.
 
Old 05-23-2013, 06:50 AM   #9
pan64
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remove all your free partitions (you will only need the one used by windows. During install you will be able to use free space as you wish (but probably not in one, but you will need more partitions)
 
Old 05-23-2013, 06:54 AM   #10
nidishady
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i have only C drive, D drive and F drive(where i want to install centOS) i dunno what's the reason probably i suppose the D drive is extended logical version of F drive and i want to load in F drive is it possible then?
 
Old 05-23-2013, 07:08 AM   #11
shivaa
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Quote:
Originally Posted by nidishady View Post
i have only C drive, D drive and F drive(where i want to install centOS) i dunno what's the reason probably i suppose the D drive is extended logical version of F drive and i want to load in F drive is it possible then?
These are 3 partitions that you've created, and in addtion to these, your system itself should have created one or two partition(s) (that is called recovery or reserved partion in some systems), so overall you've four partitions. And possibly because of this you're getting 'No free space' error.

However, first take backup of existing data in D and F drives and then delete them. After that keep only one partition in Windows i.e. C drive and grow it so only 80G be left free for CentOS. Keep rest 80G free and unallotted. Then try to boot your system with CentOS.
 
Old 05-23-2013, 09:21 AM   #12
EDDY1
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To add to what shivaa said, if 1 of your partitions is extended, after deleting the other partitions you'll need to increase the size of extende partition especially if you want to have seperate partitions, such as /, /usr, /var, /home & so on.
 
Old 05-24-2013, 12:21 AM   #13
nidishady
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thank you very much to all....one more question regarding boot loader....i unfortunately put bootloader in dev/sda during installation..though i had option to chose different drive as well...now after i installed centos there is no windows option in boot menu so now how can i recover this?how can i bring back windows so that i can happily go for windows and centos from boot menu....please help me ...command line code from centos terminal
 
Old 05-24-2013, 12:32 AM   #14
chrism01
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Assuming you know where MSWin is installed see eg
Code:
fdisk -l
(lowercase L there)

You can use this in grub.conf
Code:
title Centos 6.x x86_64 S
        rootnoverify (hd1,2)
        makeactive
        chainloader +1
Amend to suit. Note that hd/partition count is from 0 (zero)
 
  


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