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Old 02-01-2010, 02:10 PM   #1
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CentOS 4 and XP Dual boot problem

im a complete linux n00b and i'm having trouble getting centos4 to dual boot w/ anything to be honest. ive tried upgrading to centos5 but the cdrom drive keeps saying every iso i've gotten has a bad checksum (sounds bad don't know what it means) i'm not exactly computer literate but i was told to install this so it could run a program i need for work. all traces of windows are gone, i have an XP install disk that doesnt boot, along with linux mint and a gparted live cd all using the iso (other than the windows that one i bought) and none of them are able to make the pc boot from the cd. the only cd that actually works for a boot disk is the original cd from centos4. any help?
Old 02-01-2010, 05:21 PM   #2
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I would suggest there might be a problem with the CD-ROM... Generally the way to do dual boot with windows and linux is to install windows first, doing windows second can be problematic but is fixable. If your CentOS 4 OS in burnable I would advise installing the Windows OS leaving space for CentOS and installing that afterward. If you are having a problem installing Windows it might be related to the same problem as CentOS 5, but I'd advise a new download and burn off the CentOS install disc however.

As for the Check Sum, I think the easiest I can explain it, is it is a number generated by a formula using the data in a file, when you download the file, the checksum is then re-run against the file and the newly generated number is compared to the previously generated number, if they are different that's a bad checksum, if the numbers are the same then that is a good checksum. This is done to check for inconsistencies or corruptions caused to the data during any part of the download or burning process.
Old 02-03-2010, 09:28 AM   #3
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Thanks, currently the problem is that the cdrom wont recognize any of my boot cds. I currently run Cent and now need to run windows. so should i replace the cdrom drive and try again?
Old 02-03-2010, 05:34 PM   #4
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"every iso i've gotten has a bad checksum (sounds bad don't know what it means)"

I'd worry about this first.


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