CentOS 5 :: After Upgraded To Windows 7 - The Dualboot Is Apparently Gone

Aug 31, 2011

I've recently upgraded my Lenovo Sl500 laptop from windows vista to windows 7, both 32bit.

Prior to this i had dual boot between CentOs 5.6 and windows vista.

After i have upgraded to windows 7, the dualboot is apparently gone, I am no longer able to boot in linux.

My question is now, how can i fix this, or create a new dual boot?

Im currently left with two partitions, one with Windows 7 installed, and one with CentOs 5.6 installed, but as said, I am unable to acces my linux.

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Ubuntu Installation :: Precautions To Take When Upgrading Windows On Windows/kubuntu Dualboot PC?

May 31, 2010

I have a Vista/Kubuntu dualboot, with grub2 as my loader. Because i have read that Windows likes to ignore something else present on the system and overwrite everything with itself. So i installed Vista, then Kubuntu.Now i want to upgrade my Vista to Win7. My question is - what should i do in order to keep my current dualboot intact (Grub2 as a loader, and kubuntu fully functional). I fear Win7 might even never ask me about keeping my kubuntu dualboot, just overwrite everything. PS: My bootinfoscript output

Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================


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Ubuntu Installation :: Trying To Dualboot Windows 7 - Doesn't Recognise That Windows Is There

Jan 3, 2011

So I shrunk my Windows 7 partition. Now I have a 450GB partition with Windows 7 on it and a 50GB partition for Ubuntu that is unallocated space currently. So when I go to the setup for Ubuntu, booted into using my USB flash drive, it doesn't recognise that Windows is there. It thinks that the hard drive, all 500GB of it, is free space. Going into GParted, it also seems to think that the entire hard drive is a blob of unallocated space. According to tutorials online, this shouldn't be happening. It should recognise the two different partitions. So I went into Computer in Ubuntu (Live) just to double-check and indeed all my Windows files are there and I can still boot into Windows just fine.

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Ubuntu :: 11.04 Dualboot W/ Windows 7 ?

Jul 28, 2011

I've been trying to dual boot with Windows 7. I installed it on my backup harddrive. I've tried booting it from there but no luck. And I'm not seeing a boot from message.

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Ubuntu Installation :: 10.10 With Dualboot To Windows 7 ?

Oct 21, 2010

I have a problem installing ubuntu 10.10 (64 bit) with dualboot together with windows 7.

The situation is a follows: on the pc is windows 7 (home premium) installed, the windows bootloader is in the MBR and THIS CANNOT BE CHANGED (it's not a private pc).

I wanted to do this the way I have done with the previous ubuntu realeaes I used (8.04 and 9.04): install everything normaly and only tell the installer to install GRUB into /dev/sda5 (root-partition of the ubuntu-System). Then I used


To copy the bootsector in a file and integrate this file into the Windows Bootloader. The problem is: this file has only zeros inside (00hex), so it seems, that there is no GRUB written into the bootsector of the linux-partition.

The whole procudure works without any problems using Windows 7 and ubuntu 9.04, but I want to have the new release of ubuntu!

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Ubuntu / Apple :: Install With REFIt On MacBook Pro: Grub Apparently Messed Up My Windows 7 Boot?

Mar 10, 2011

This seems to be a variant of a problem many people have had, but after several hours trawling through various forums, I haven't seen a reliable match for my situation.In brief:Adding a third boot partition (of Ubuntu) to my existing dual boot of OSX 10.6 and Windows 7 seems to have crippled the Windows boot from working, because Grub apparently takes over the process. Yet Grub does *not* appear to be on the Windows partition.

More verbose:I have an older MacBook Pro (3.1, running Snow Leopard) that I recently refitted with a new 240GB SSD HD. With the extra space (it was previously only 120GB) I decided to add a dual boot with Windows 7 using bootcamp. This all went swimmingly well.Encouraged, I decided to follow this Lifehacker article's suggestion and triple-boot the machine with Ubuntu (I'd never used Linux before):So I now have the nice rEFIt boot partition selection screen, and, indeed, I'm up and running in Ubuntu, and enjoying it.

Only one problem: I can't get into Windows any more. If I try to go in through rEFIt *or* by holding down OPT at startup and selecting the windows partition directly, the result is the same: I get thrown into Grub's selector, and selecting the Windows partition from there leads to an error message and a dead end.Having read through numerous postings, I get the impression that Grub is doing something or living somewhere that it ought not to be, but in most cases I've seen, people had accidentally installed Grub onto the Windows partition (or indeed onto EVERY partition). So far as I can tell, this isn't the case with me. Here's my boot summary:

Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================


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General :: Dualboot - Windows Xp And Fedora Core 6 ?

May 23, 2010

Im trying to dual boot windows xp on my computer already running fedora core 6. I have some experience with dual booting- i had a windows xp laptop, and now it runs both windows and ubuntu. Ive done some reasearch, but still not clear on how exactly I should go about dual booting xp on fedora.

I forgot to mention above I do not have internet access on that computer. I do, however, have a laptop (windows xp) that i can download things on and burn on a disc if needed. it has internet. If you know of any solution to run programms such as visual studio and dreamweaver on linux which dosnt require dual booting(i tried wine but didnt work for me)

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Fedora Installation :: Unninstall Windows Vista In Dualboot ?

Aug 9, 2011

I have 2 HDD's on my computer. On HDD 1 i have a Windows Vista installed, on HDD 2 my fedora is installed. I am so pleased woith the fedora system that i dont even use the windows system anymore.

Now i want to uninstall the windows. How can i do this the best way that the result is that the existing Fedora stays and boots on computerstart and that i can use the HDD where windows was on the fedora system to store stuff (now the fedora system cant see the windows hdd becouse its NTFS)

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Ubuntu :: Dualboot With Windows 7 - No Errors - Just Blank Screen

Jan 4, 2010

I tried using Wubi to install Ubuntu 9.10. It worked fine in the Windows part of it. After the restart, I got the ubuntu option. Selected it. Something about pressing ESC for more booting option came. Then two lines of something, and then a BLANK screen for the next hour. I hard rebooted then. Selected Ubuntu again, and pressed ESC and booted into Verbose mode. Still the blank screen ALWAYS comes. No errors. Just the blank screen. What am I supposed to do? I tried reinstalling through Wubi, but the BLANK SCREEN ALWAYS COMES. I am trying an online tutorial for dual booting Windows 7 along with Ubuntu, but the guy in the tutorial says just boot live. What is that? Like just setup your BIOS and put the cd in? I am gonna try it in sometime, after my cd is burned, but still, better if I get a reply before that.

Okay, I tried with the cd, selected the option of trying Ubuntu without installing, but again the BLANK SCREEN loves me, so it won't leave. Do you think I've got a corrupt copy of Ubuntu. It is the torrent, that is linked on their official website. Should I like redownload it and try? I really want to try out Ubuntu.

With the cd I also tried checking the cd for errors option on the screen, and that too showed no errors. I want my windows installation to stay but I want to try Ubuntu along too. Still I tried installing Ubuntu, without trying to let Windows stay or something, but still, obviously the BLANK SCREEN.

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Ubuntu Networking :: 10.10 No More Internet After Dualboot Windows Install

Dec 20, 2010

I have a Dell XPS 420 with Ubuntu 10.10 (2.6.35-23-generic x86_64). My internet used to work (out of the box) without any problems, but after install of Windows Vista (Home Ed. 32bit), I am unable to use the internet in Ubuntu. The network card is a Linksys WMP600N Wireless-N PCI Adapter. In Windows it works without problems.

In ubuntu, the network manager indicates that I am connected to the network, and I have an IP address in the 192.168.* range. I am able to ping the router, but unable to ping outside addresses. I have not changed anything, but still my wireless connections has stopped working.


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Fedora Installation :: Dualboot Windows F12 - Just Get Black Screen With Flashing Cursor

Dec 17, 2009

I have installed F12 on the remaining space on my disk and now Windows does not boot anymore. I get to Grub and choose windows and then just get black screen with flashing cursor.

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Fedora :: 13 Windows 7 Dualboot And Hard Disk - Complete Loss Of All My Data

Oct 11, 2010

Last time I installed Ubuntu in a dualboot configuration with Win7 on one of my machines, my entire boot sector and Windows install got corrupted, resulting in a complete loss of all my data and requiring a fresh install of Windows.

I looked into this a bit after the fact, and it seemed to me it was due to conflicting hard disk geometry between Linux and Windows.

My question is, how likely is this to happen with Fedora? Is this because of Ubuntu? A bad install? Is there someway I can avoid this from happening when I install Fedora if it will happen?

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Fedora Installation :: DualBoot Windows Vista And 14 - Play All Media Formats ?

Dec 13, 2010

I am planning to buy a new system. I am planning to use fedora and windows vista (I have a legal copy with me and I dont want to buy a new one. That's why no windows 7 here).

How shoudl I proceed? Which OS to install first? I believe (from reading the threads) that I should install windows vista first and Fedora second.

The main question I have is this. I heard that HDD makers will no longer ship the current HDD's in Jan. Heard that 512 byte hard drive format is to be replaced by 4KB. I read somewhere that this can cause issues when we go for dual boot. Is this true? In that case, what steps can I take to ensure no problems occur?

I really want to use Vista only for running certain applications which do not run on linux. I have heard WINE can simulate a WIN environment. But is this really true? I mean, can it simulate WIN environments perfectly?

My next question is regarding dual HDD. I am planning to go for 2*500GB HDD instead of 1*1TB HDD... So will it be better if I dedicate one HDD to Vista and 1 HDD to Fedora? (I know it will be a waste of space since I will be using Fedora mainly and hardly aropund 10-20 GB for Vista. But I can access the Vista partitions)

Does fedora play all media formats? I know out of the box it might not.. But does having VLC help?

I dont see any firewall protection in Linux. I have heard of using IPTables, but then how efefctive are those? I will be doing many online transactions and I want my system to be secure. I know Linux is pretty secure. So should I harden the security with a hardware firewall?

I will be watching a lot of DVD movies, AVI movies and some HD movies as well. Does linux have issues rendering HD movies properly? I have read somewhere that fedora has issues while Win is good and Debian/CentOS (Not sure which one was mentioned) is even better. I had a pretty powerful config in teh past and yet I have seen that my Vista machine had trouble rendering a HD movie properly.

I will be buying AMD configuration along with an ATI graphic card (sometimes). Does Fedora have any driver issues?

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Ubuntu Installation :: Installing Windows XP Dualboot - Error Along The Lines Of A Missing/corrupt Hal.dll

Jun 30, 2010

So I have a single hard drive with two partitions, and I am trying to install a dual boot of Windows XP and Ubuntu. However, I am having an issue installing the Windows XP component.

I keep getting an error along the lines of a missing/corrupt hal.dll after the first restart in the install. This has happened every time I tried to install windows XP, from several different discs, all of which I have confirmed to work on another computer.

I have tried several things for fixing this, from repairing the MBR and boot.ini to replacing hal.dll from hal.dl_, and nothing works. However, Ubuntu 10.04 installs and boots properly.

What I can do to get Windows to install properly?

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Ubuntu Installation :: 10.10 Upgraded To 11.04 Within Windows Xp - Fails To Recognize Windows Partitions

May 1, 2011

I have 10.10 installed within my Windows Xp.All was fine.Then,I upgraded to 11.04.Boot screen etc is fine .Log in is automatic in Classic.Unity & Compiz not supported.Now,again everything is fine except that my xp partitions are not recognised and hence I can not mount them and access them.

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Red Hat :: Yum Update On CentOS 5.3 Upgraded My System To CentOS 5.4

Oct 29, 2009

I just ran a "yum update" on my CentOS 5.3 system. After a reboot, I noticed /etc/redhat-release show CentOS 5.4.

I thought yum upgrade was supposed to do that?

I wanted to simply patch my CentOS 5.3 system without turning it into CentOS 5.4 ... YET.

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Fedora :: Upgraded Windows Partition Now FC 14 Wont Boot?

Aug 4, 2011

Everything has been running well FC 14 dual boot with a Vista partition. I haven't touched the Windows partition since FC 10.Now I upgraded to Windows 7 because I am having networking issues at school and want windows while I take time to address them( I am a novice) So I upgraded the Vista and now it only boots into windows. I know I only installed on the windows partition. How do I get my old Fedora boot screen back that lets me choose

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Ubuntu Installation :: Upgraded To 10.4, Windows Xp Doesn't Load?

May 7, 2010

As many people have posted before regarding this issue, i think it was me who messed things up as i believe i incorrectly put grub on the sda1 ? when they asked about grub config during installation i was a bit lost, and even though i went off the help it said if you were not sure choose all of them..

So i am wondering if there is an easy way to fix this. As i am running sata drives on my laptop, so my windows xp recovery option is out... and all i have is a windows image, which i would like to try and repair from ubuntu as i can start ubuntu up.

Here is my boot setup:

Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in partition #5 for /boot/grub.


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Ubuntu Installation :: Upgraded Now Can't Boot Windows From Grub?

May 20, 2010

I upgraded to 10.04 but now i can't boot windows 7 from the grub. what can i do?

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Ubuntu Installation :: 10.04 LTS Upgraded - Grub Windows XP Starting

May 11, 2011

The Grub Windows XP selection only gets "Starting ..." and then, nothing. Ran boot info (ref. below)

Updated Grub:
$ sudo update-grub
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Found kernel: /boot/vmlinuz-2.6.32-31-generic
Found kernel: /boot/vmlinuz-2.6.32-30-generic
Found kernel: /boot/vmlinuz-2.6.31-23-generic
Found kernel: /boot/vmlinuz-2.6.28-11-generic
Found kernel: /boot/memtest86+.bin
Updating /boot/grub/menu.lst ... done .....

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CentOS 5 :: Single Disk Kickstart: How To Use Upgraded Kernel

Aug 19, 2010

For portability reasons; I am building a standalone kickstart ISO; based of Cent5.2. I am to the point where I can load my ks file (linux ks=cdrom:/ks.cfg), it reads it fine; and performs the install as I want.

Where I am having a problem; is a good way to have the install use upgraded RPM's, not the base; specifically a kernel with a few needed tweaks in it; which is packaged in an rpm.

I attempted to place my kernel rpm's into the CentOS directory and rerun creatrepo; but I simply managed to corrupt the base repo on the install media.

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Ubuntu :: Upgraded To Unity - Can't Resize / Move Or Wobble Windows

Aug 9, 2011

This problem on my user settings only - must have caused it myself in compiz

I also have nvidia card - I had to change the driver to the non recommended one

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Ubuntu :: Upgraded Windows Dual Boot/lucid-lost Grub2?

May 8, 2011

i had a dual boot with xp and lucid lynx, then upgraded the xp to win7. windows commonly overwrites grub with it's bootloader. and so it did. now i can't access my lucid OS. i need to get grub back (i need to get lucid back).

here's my fdisk:
ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


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CentOS 5 Networking :: Bridge Configuration Does Not Work Afer Upgraded The Kernel To

Apr 14, 2010

That the Linux bridge configuration does not work afer I upgraded the kernel to Why I can't find the device vmbr0?


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Ubuntu Installation :: Upgraded From Desktop 10.04 To Studio 10.04 And Running A Dual Boot System With Windows?

Nov 3, 2010

I upgraded from Ubuntu Desktop 10.04 to Ubuntu Studio 10.04 and running a dual boot system with Windows. On the grub screen there are four listings now for Ubuntu. Two recover modes and two ubuntu modes. Is this normal? Going to reboot and see if I can get a picture of it.

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Ubuntu :: Crontab - None Of Job Apparently Running

Jun 1, 2011

I have the following set up in my crontab:

# crontab -l
# m h dom mon dow command
*/5 * * * * /usr/bin/perl /usr/local/bin/perl/managed_arp_data.pl >> /var/log/arpdb.log
*/5 * * * * /usr/bin/perl /usr/local/bin/perl/infoblox_fixed_sync.pl >> /var/log/crossref.log
00 23 * * * /usr/bin/perl /usr/local/bin/perl/infoblox_host_sync.pl >> /var/log/host_sync.log
0 * * * * /usr/bin/perl /usr/local/bin/perl/infoblox_excl_sync.pl >> /var/log/excl_sync.log

None of these jobs is apparently running, however they did run on the 31st (yesterday), but not on the 30th or any other day during the last 10 days that I have logs for. I think I've set cron to run at log level 1, but I don't know where that log goes, I don't see anything like /var/log/cron

So, couple questions:
* If I do something like "sudo -s" to get a root prompt and then do a "crontab -e", which user does that crontab get executed as?
* Where should I look for cron logs?
* Anyone know why a job would run on the 31st, but not any other day?

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Networking :: Getaddrinfo() Apparently Not Working ?

Jan 18, 2010

I have an issue with cfservd, from the cfengine package not listening on both ipv4 and ipv6. Tracing through the source indicated that the issue was with the getaddrinfo() call. I have used the example code on the man page and can confirm that it doesn't work as expected on either Fedora 12, Fedora 10 or CentOS 5.3

The servers I am testing on have both ipv4 and ipv6 enabled and working. i.e. I can ssh to them using either -4 or -6 and netstat -a shows and :::22

Running the example code on the Fedora servers results in only a single IPv4 address structure being returned by the getaddrinfo call and hence only listening on the one protocol. Strangely, on the CentOS server only the IPv6 address structure is returned.

I need both IPv4 and IPv6 for cfengine but am at a complete loss as to how to get it to work when the issue appears to be something fundamentally wrong at the OS level.

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Fedora :: Install The 32 Bit Version And Apparently Succeeded?

Jul 13, 2010

I have done some searching around and now know that the 64 bit version of Wine is useless. I tried to install the 32 bit version and apparently succeeded. The problem is that when I open Wine File the .wine-x86_64 folder reappears. I don't even know where the 32 bit folder is.

I have tried
yum erase *wine*
but it does not seem to work. However this does.


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Ubuntu :: Custom.conf Apparently Don't Work

May 3, 2010

I have just installed the new version 10.04 of xubuntu but I cannot enable xdmcp.

1) the gdm.conf (usualy in /etc/gdm/) is missing (where is now this file?);
2) the custom.conf apparently don't work;
3) the remote tab in login windows are missing

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Hardware :: Dvd/cdrom Keeps Spooling Up When Polled (apparently)

May 7, 2011

I'm using Slackware 13.1 on a new laptop (MSI 1481). Everything has worked great except when I put a DVD in the drive (like the Slackware DVD) the drive spools up and down constantly - you know, how it goes from slow speed to fast speed. I figured it was hal polling it every 2 seconds and that for some reason it was causing it to actually kick in and read the DVD, but disabling that didn't help. I've also tried not starting X or xfce (going to runlevel 3) but that didn't make any difference - as soon as I put the dvd in, it starts up.

It's not just the Slackware dvd either, it's any DVD. Movie DVDs however don't seem to spool up to higher speeds but you can still hear the drive running constantly, so there is some different. I'm not mounting the drive or anything, just close the tray and listen to the rhythmic annoyance of the drive at full speed, then not, then full speed, then not.

I don't see any other suspect processes with top or ps either. Anyone have any idea why this would be if it's not the polling doing it? I'm starting to think a kernel or hardware thing. The drive I have is reported by cdrecord -scanbus as "Optiarc DVD RW AD-7580S FX20".

I'm at a loss. I'm thinking next I'll have to install another distro to at least rule that out, but with so many variables (packages installed, kernel version, driver versions) I don't know that this approach would tell me much.

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