Ubuntu :: BIOS Not Found - External HD Unplugged
May 26, 2010
So basically, as rookie as it sounds, I spent about 3 days trying to figure out why my computer wouldn't boot (BIOS not found, then it ran grub rescue) until I saw that my external hard drive (which evidently somehow has some file on) was unplugged. I am running windows and ubuntu 10.4 on partitions on my computer's internal 120gb drive. The problem I have is that during these 3 days, I re-installed ubuntu on the drive from the CD- so I think I have 3 partitions, even though the 3rd does not show up as an option to boot into from startup.
What it does show though, is on my desktop I have 2 mounted drives:
One 52gb one that has my Windows files in it, and one 44gb one that has ubuntu files in it, but NOT the ones I use- this is the rogue copy I installed by "accident". I checked this by looking through the contents and it was all minimal (nothing in home folder).
How do I "remove" this partition safely, and return to having just a windows an ubuntu partition?
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Mar 2, 2010
After installing ubuntu 9.10 on external HDD I cannot boot vista if external usb is unplugged(where ubuntu is installed). it says grub loading and after that recover grub ( i think that is what is says ... not certain in this moment ) anyway hope you get my dilemma. If you need more information I'll be glad to provide it.
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Apr 29, 2010
When my Western Digital MyBook is plugged into my desktop machine via usb everything works fine. The computer boots up normally to the dual boot screen, and all OS options will boot up normally. However, if I unplug the external hdd (whether that be when the computer is off, or I unmount it and then restart) before I get to the dual boot screen I get an error message informing me that I have incorrect boot media, and to insert and hit any key. Some background: I have checked the bios and it is set up to boot from the internal sata hdd as the first boot device, and there are no usb boot devices defined. Prior to making this a dual boot machine, it ran windows only, and had no issues booting when the external hdd was unplugged.
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Mar 16, 2011
The brand new MEMOREX 24X Lightscribe DVD player(SATA) is not detected by my UBUNTU 10.10 install (via USB stick LiveCD install). I know it should have worked out-of-the box, but it does not, dmesg or lshw command shows all other SATA connections ( 2 hard drives) , BUT the DVD Drive. The DVD drive is detected by the MSI BIOS, it is also fully functional in the dual-booted Windos 7 installation next to the Ubuntu 10.10, so I know the DVD player is ok. I have the latest B3 Stepping MSI P67A-GD65 motherboard with Intel i7 2600K cpu.
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Jan 24, 2010
I am having this message during starting my Fedora 10: Code:PCI: BIOS BUG #0[00000031] foundI have searched for this error but only found information like: "this does not matter" or "hard disk plugged into an external sata connector on the main board" - I have not done the latter. Because I am also having some trouble with my tv-card (module tda9887 is not loaded during the first start, only after a reboot) I would be happy to solve this error (or to know where it is coming from)
My computer has the following hardware:
-graphics: Lead896 D3 X GTX260 Extreme+
-CPU: Intel Core2Duo E8500, 3166 MHz, FSB 775
[code]....
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May 12, 2011
i have an Acer Aspire 9420 with gentoo installed and a 2.6.38-r3 kernel.Since a few months i have decided to boot from an USB external HDD WD scorpio Blue 750go (with USB adapter) instead of the internal HDD.Yesterday evening during my gnome session activity i had a black screen with a cursor and nothing can respond anymore. I tried an hard reboot but my bios does not detect my USB Disk either.So i boot from a liveDVD to check what is the problem?
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Jun 17, 2011
I was just thinking about installing an operating system like ubuntu or ubuntu server on an external harddrive. this being possible , i would like to know if we can use the external drive to plug into any machine and run my ubuntu by just changing the needed bios mods in that system. and without further having to install the necessary hardware specific devices into my os.
Because each machine would have its own hardware set, how would the os handle it or would it have to install the necessary drivers and so on everytime it comes across a different system from the immediate previous hardware it was used with. and i know this was why laptops were invented even maybe to have that portability to use with but this without a laptop, just an external hard drive that can make up and help us use the hardware at hand with ease without any installations of any kind.
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Sep 2, 2011
I have a problem with my hard disk...this HHD had no OS just data in some linux file system....i tired to plug it in a windows OS and backup the files....but now the HHD file systems shows RAW. Now when i plug in fedora 15 OS the HHD is not mountable. I tried to # grub-install /dev/dbc1 but it give me an error. error "Bios driver not found" What can i do to restore my file system so i can recover my data?
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Jun 20, 2011
I recently purchased a Rocketfish 4-port powered USB Hub for my laptop. It works fine for my mouse, keyboard, and printer, but my Toshiba external hard drive doesn't seem to work. The output of lsusb is
Code:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 05a9:2640 OmniVision Technologies, Inc. OV2640 Webcam
Bus 002 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 002 Device 046: ID 03f0:7211 Hewlett-Packard
Bus 002 Device 109: ID 046d:c315 Logitech, Inc. Classic New Touch Keyboard
Bus 002 Device 113: ID 046d:c51b Logitech, Inc. V220 Cordless Optical Mouse for Notebooks and the last few lines of dmesg are:
Code:
[ 3609.560058] usb 2-3.4: new high speed USB device number 33 using ehci_hcd
[ 3609.700560] hub 2-3:1.0: unable to enumerate USB device on port 4
[ 3610.129955] usb 2-3.4: new high speed USB device number 34 using ehci_hcd
[ 3610.253113] scsi685 : usb-storage 2-3.4:1.0
[ 3610.396203] usb 2-3.4: USB disconnect, device number 34
[ 3610.676614] usb 2-3.4: new high speed USB device number 35 using ehci_hcd
[ 3610.808465] hub 2-3:1.0: unable to enumerate USB device on port 4
[ 3611.350042] usb 2-3.4: new high speed USB device number 36 using ehci_hcd
[ 3611.373881] hub 2-3:1.0: unable to enumerate USB device on port 4
[ 3611.863429] usb 2-3.4: new high speed USB device number 37 using ehci_hcd
Interestingly the drive shows up as /dev/sdb, but there is no corresponding /dev/sdb1 or /dev/sdb2 for the two partitions on it.
The drive works fine if I plug it directly into my laptop.
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Feb 18, 2011
I have got rid of windows 7 of my laptop and installed Ubuntu 10.10. So for the past week or so have done a lot o testing and stuff. Laptop I have is hp pavilion tx 2000 model tx 2130ea. Problem I have is laptop wont boot when unplugged but boots when plugged in. When it starts up you can hear the logo music but screen remains black. Now I have found what the problem is after hours of fault finding. Ubuntu detects the additional drivers to download wireless driver etc., and a couple of nvidia 2d/3d drivers so its when one these nvidia drivers are installed is what causes the problem when booting up unplugged. No problem when plugged in. At the moment I just have not installed these nividia drivers and all is good. Graphics Card Nvidia Geforce Go 6150.
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Oct 10, 2010
I just noticed this issue today but when I unplug my laptop from its adapter, the battery loses 44% of its battery immediately, Is there any way of solving this?
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Dec 16, 2010
I've been asked to look at a system which is running slowly. It's running hardy on an intel Q9400 quad core CPU system which should be a pretty fast machine.
The most obvious symptom of this problem is that the terminal takes about 10 seconds to open instead of the usual fraction of a second.
What I've discovered so far is that the system has 2 network ports one configured to access the LAN and the other to connect directly to another piece of hardware using a different subnet. If the LAN is not connected the system runs slowly and if it is connected it runs at normal speed. It also makes no difference whether or not the second network port is connected.
I've looked at the system monitor and can see no abnormal network traffic or processes using a lot of CPU resources.
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Feb 3, 2010
Why is it that FC6 installs just fine from a USB CDROM in an external enclosure but FC12 boots from the CD asks to install or upgrade an existing system but then stops at no devices found and wants the install path for the install image? It appears to see the CDROM, boots then looses its mind and forgets a CDROM was attached.
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Jun 8, 2010
I have some years experience of linux & programming, but I don't really know whats "under the hood" in a PC. I decided to learn. I have two hard drive disks in one of my computers, so I decided to see if I could run it with only one. I removed the voltage from one of the hard drive disks and when I booted, of course the cumputer gave me the message: "Disk failure, insert system disk and restart". When I reconnected the HDD in my computer and booted once again, I got the same message.
This brings me to my first question: Why can't I start my computer as usual after unplugging and replugging one of my two hard drive disks? All cables remains the same, what has changed? The first question remained unanswered and I tried to install a OS on one of the HDDs when the other was disconnected. This worked fine and I set up a windows/debian dual boot. Perfect! But after reconnecting the disconnected HDD I tried to do the same thing (so I would install a new version of the system I started out with, a windows/debian dual boot). I formatted and installed windows on one of my HDDs again. It was bootable.
When I installed debian and let the installer set up Grub, I got the message "Missing operating system" when booting. I tried to install only linux (without windows) and I reached the same resault: after unplugging and replugging one of my 2 HDDs I can no longer boot a debian operating system, though the installation runs without a problem. What has happened? What do I need to do to be able to install a working debian system on this computer? (installing windows works fine) Has the settings of my BIOS changed when I unplugged?
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Dec 7, 2010
I installed ubuntu 10.10 and it seems everytime I unplug my laptop it freezes and the caps lock flashes. This happens pretty much every time. I installed fedora 14 had no problem with unplugging the charger but I didn't like it and couldn't get WiFi working right. So I installed ubuntu 10.10 hoping it would be gone and I have the same problem again. I have a AMD Athlon II Dual-Core Processor M300
(32-bit)
3GB DDR2 memory
320GB HDD (5400rpm)
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Aug 22, 2011
My Fedora 15 is not boot properly when ethernet is unplugged.It is kind of blocked and the moment I plug in the ethernet, it work fine.I have attached the /var/log/messages, there is time gap of 1 min 30 sec, that is when i plugged in the ethernet.Can i anyone tell which service is blocking exactly.
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Mar 20, 2010
I ended up inheriting an IBM Intellistation Z Pro desktop with Red Hat 2.6.9-78.0.17.EL, that used to be part of a company network (hard IP, domain, etc). I'm trying to boot and connect to my home internet provider.With or without ethernet cable connected, the boot process seems to timeout on a number of steps (system logger, NFS Statd, automount5) and eventually get's stuck in NFS quotas.I started looking at /etc (in single user mode) and of course there are a bunch of files (hosts, resolv.conf, etc) with hard IPs, domains, etc.My questions are:- how hard is to change network setting to use soft IP and be able to connect to my provider
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Oct 26, 2010
I accidentally unplugged my usb drive before unmounting it. In windows this is no big deal, so I'm used to that. However, I'm finding that in Kubuntu 10.04 this is a big deal. Now I can't mount any other drives unless I use the command line. Also, I can't unmount anything, even if I mount it on the command line.
What do i do? I know a reboot will fix this, but if it happens again i will be right back at this point. It should not take a full reboot just to unmount a drive. I have tried umount -l and umount -f and the terminal window just hangs.
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Jun 3, 2011
I received a new Cyberpower CP1000PFCLCD UPS today. I let it charge for about 6 hours.My server is a former desktop PC with the following specs:MSI MotherboardAMD Athlon XP 2000+ CPU768 MB DDR RAMDual 80 GB HDD running RAID 1 (Disk Mirroring)After shutting the server, router, and backup drive down and plugging in the UPS, I did the UNPLUG test where you unplug the UPS to see if everything stays on.My Router and Backup disk both stayed powered on, but the Server immediately rebooted.Does anybody have any ideas how I can fix the server rebooting problem? It should be staying on just as everything else.
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Apr 21, 2010
I formatted the USB flash drive using Karmic's Format Disk utility (right-click on a volume, select "Format..."), and selected "Encrypted, compatible with Linux (FAT)" from the "Type" drop-down menu.It mounts correctly when I plug it in, and I can access the files just fine.When I unplug the Flash drive without using the 'Safely Remove Drive' option, the icon on my desktop changes its name to '2.0 GB Encrypted', instead of disappearing and unmounting like my unencrypted Flash drives do.
I would like to have encrypted Flash drive treated in the same way as my unencrypted Flash drives, which disappear and unmount when unplugged, even if the 'Remove Safely' menu option isn't used. What can I do to accomplish this?NOTES:When I plug the encrypted Flash drive in, the following line shows up in the output of 'mount'. 'secure' is the name I gave the disk during the format process:
Code:
/dev/mapper/devkit-disks-luks-uuid-302db16c-c6e2-4dd9-a259-436437c76475-uid1005 on /media/secure type vfat
[code]....
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Dec 30, 2010
I am using a Laptop with Fedora 12 and got a recent issue with the power management. I am not sure if this issue is Fedora-related, thereforeI have a (relatively) new main battery in my laptop and a (relatively) new Ac adapter (both not older than 6 months). Besides, a second battery is installed. Recently, I took out the second battery because I needed to use the CD rom drive. Then I put back the second battery (when the laptop was off, of corse).
After I switched the Laptop on again, everything works fine unless the laptop is thinking I am unplugging and plugging in the AC adapter every 3 seconds or so. I can see that behavior when clicking on the battery symbol, as the following terms change every few seconds:AC Adapter: Plugged inAC Adapter: Not Plugged inAlso I notice that the batteries are much slower charged than before when the laptop is operating, and even slower or halting when the laptop is powered off.
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Feb 23, 2010
Whenever I plug in my PSPgo via USB, it shows up in Nautilus as:
Code:
The first line is the system's onboard memory, and the second line is my 16 gig memory card. It used to mount as:
Code:
I *cannot* unmount the drive. The computer does not seem to be able to find the mount point to take it off from. When I unmount from Nautilus, it says:
Code:
Error unmounting:
If I just unplug the drive, the entry in /media remains as 1C[glitchy box thing][series of underscores] (see screenshot)
I tried looking at the drive in gparted, and it says:
Code:
Code:
Is my PSPgo becoming corrupt or something? That would be supremely unpleasant. I'd definitely like to avoid that, if at all possible.
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Oct 21, 2010
I have WD external hdd (80GB) formatted with fat32. I was using this hdd to transfer the data from computer A (LINUX, RH9) to computer B (Win7).
I was keep copying and deleting the data in the WD hdd during the data transfer because the amount to transfer is more than 300GB.
After doing this several times (and the WD drive was emptied), comp. A said the disk is full. I checked using 'df' and it was really full but 'ls -la' shows that there is no data in it.
I checked it in comp. B, and it showed empty. I tried to format in comp. A using 'mkdosfs -F 32 /dev/xxx# (block#)', but showed an error message like below.
'Warning: block count mismatch: found 78xxxxx but assuming 0'.
I found a similar situation in this forum metioning 'possible damaged linux kernel (not exactly same expression though)', so I re-installed linux in comp. A, but the problem was not solved.
1. why the disk info. is showed differently in linux and win7
2. why I cannot format it
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Nov 6, 2009
I plug a USB device, it gets a /dev entry, e.g. sdf, i mount its filesystem, then some program opens a file on this filesystem. I unplug this device, its /dev entry disappears, but if i replug this device again, it gets another name - sdg.
How can i force the program to close the file so the filesystem is ready to be unmounted without using "lazy unmount" to release the device name, BUT so that the program doesn't crash after trying to make I/O to this file, and, of course, without having to kill the program?
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Apr 17, 2009
I boot linux from a usb drive so I can carry my distro wherever I go - I've been doing it for quite some time now and it's always worked wonderfully. Problem: This morning my little cousin unplugged the computer WHILE I was booting into linux. Power loss has happened before, but with no ill effects. This time however, it's decided it won't boot. The screen clears, and just as GRUB is about to load, it freezes and the computer reboots over and over.
I booted to a LiveCD of Ubuntu to try and fsck the drive, but it won't mount the volume. I've worked with this install so long, and have customized it so much I **really** don't want to do a reinstall.. What can I do?
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Oct 14, 2010
I work at a local computer shop as a computer technician and we get many computer in daily that require external virus scans (having to take out the hard drives, sticking it in another machine) just to scan (if we're lucky we can sometimes just do it in safe mode).Now what I want to know is...
1. Is it possible to install Ubuntu to an external HDD and use it virtually anywhere I plug it in? Will it pick up the network card, graphics card, etc so I can just plug and go? (Of course there are drivers for some computers).
2. Is it possible to run a Windows oriented virus scanner on Ubuntu? I know I can use WINE to run Windows applications, but will it prove to be compliant with virus scanners as well?
3. The main reason why I want it to be able to pick up on hardware and just work is because I plan on using it for schooling / travelling as well, have all my documents etc saved on it for easy access.
I've used Ubuntu in the past on an old laptop that didn't have much memory, small HDD, and a crap processor but that was 5-6 years ago (I still have the disk they sent me for free ).
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Jul 11, 2010
I installed Ubuntu on external USB hard drive and while booting I did got option to log into windows XP, Ubuntu. Both operating systems ran fine. i.e. GRUB had overwritten MBR and I was able to dual boot. Main issue: I have installed Ubuntu in external hard-drive so that I can use Linux whenever I want other people who are using same computer can operate on WindowsXP. Sometimes my external hard drive gives problem if there is loose connection and so that oper people using computer do not face any problem I want to disconnect external USB HD whenever I am not using Linux. GRUB menu was pointing to external hardrive so disconnecting it meant my system wont boot!!I rewrote MBR using WindowsXP CD recovery mode. Now I am unable to boot from external USB hard disk( I thought I would be able to if I choose USB hard drive in BIOS option but it did not work it logged into WindowsXP by default).Is there any way I can change WindowsXP boot.ini file so that it also shows Ubuntu in external hard disk? Or is there any way.(I do not want GRUB way as then I would have to keep my external drive connected to log into windows - which I do not want).
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Mar 29, 2010
I have been trying to get this web cam working for a long time. lsusb:
Code:
Bus 004 Device 003: ID 06a2:0003 Topro Technology, Inc.
dmesg
Code:
[ 1990.570050] usb 4-1: new full speed USB device using uhci_hcd and address 3
[ 1990.751460] usb 4-1: configuration #1 chosen from 1 choice
Kernel patch: [URL]
Driver project: [URL]
Cheese simply says no camera found. Skryba says no devices found. Since this kernel patch was 2009-04-07 which is nearly a year ago it should be in latest kernel?
[Code]...
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Jan 24, 2010
During install of 9.10 server, both ethernet adapters were found. One is built-in to the motherboard, the second is on a PCIe slot. Selected the on-board adapter for eth0 during install, set fixed IP on the web, connected, updated, etc. w/ no problems. The second adapter is for the LAN.BUT, on first and subsequent reboots after installation complete the second adapter is not detected at all, as if it were not even plugged into the PCI or the driver not loaded. This happens on either of two slots, with two different adapters, Intel or Netgear, both pretty recent, and both of which are detected and work in a different box. 'Ethtool eth1' says device not found.This is a fairly recent motherboard 3N78EM).Since the adapter was found during installation I'm assuming that the problem is not with not the board. I've built several server systems with two or three ethernet adapters and have never run into this situation.
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Jun 18, 2010
If i want to use an external usb modem by which i can surf through the net, is this possible in fedora. Because the software is always an .exe file which is only compatible with wndows. let me know if i can use and also let me know the procedure for using this
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