Ubuntu :: New PC Reboots When Powered Down / Can't Shut Down
May 3, 2011
i just bought a new computer today and Ubuntu 11.04 reboots whenever i try to shut it down. Most of the time it just hangs there. I've tried to ALT+CTRL+F2 and shut down with the terminal there by "sudo poweroff" but the system freezes and hangs at that screen, not allowing me to see what's going on. If i leave it for 5 minutes or so in that state, it'll reboot. I've also tried Lubuntu, Kubuntu and Xubuntu and they all have the same issue. I've tried their latest versions.
I've searched endlessly, i've messed with the BIOS settings and nothing. I've added "acpi=off" and "acpi=forced" and neither worked. The only way i can shut down my computer is by holding the physical power button.The computer is an HP P6710F. AMD Athlon II 640 x4 processor. ATI Radeon HD 4200 graphics card. 4GB of memory. 1TB of HDD space.
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Dec 2, 2009
I'm having an issue with a PC ( Gateway GT5220 ), with Ubuntu 64 bit 8.04 installed. There was Vista originally installed in it.
Now, every time I execute shutdown from GUI or command line, the PC reboots and never shuts down on its own, I have to keep pressed the power button for a few secs to power it off. It's very irritating and I don't know wether it's a Ubuntu or a BIOS issue.
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Oct 13, 2009
Offlate I installed F11 i586 on my laptop. F11 shares the hard disk with Vista Home Premium 32-bit. The problem is that when running F11 (or even Ubuntu), my system shut off suddenly(not a normal OS shut down, but a sudden power off without any warning). This could have been a hardware trouble(heating) but it doesn't happen with Vista.
Machine specifications:
Maker: Toshiba
Model: Satellite L305D-S5881
AMD Turion X2 Dual Core Mobile Processor RM-70
3072 MB 800 MHz SDRAM
I don't want to open up my machine unnecessarily, if it isn't a hardware issue.
I am not sure how to verify the bit length of the machine and the OS and does it create a compatibility issue ?
Your advise would be highly appreciated.
Raman
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Nov 20, 2009
I installed Fedora 12 and after I wantd to shut down the system. I waited but fedora not going to shut down. I got black screen with Power Down
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Dec 29, 2010
Im not sure if this is serious, but yesterday, 2 out of 6 times i tryed to halt my debian box, it didnt.The closing process took place correctly apparently, but after the last message "WILL NOW HALT", it didnt. The server stood there for a good time until i manually rebooted it.I used the command halt via putty, and i was configuring shorewall, so i only wrote some scripts and ran some shorewall restart's
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Aug 29, 2011
Recently I got an Acer Iconia Tab A500, the Android "Honeycomb" version, and have been consistently unsuccessful with F15 recognizing the device using the microUSB port. That same method allows a Windows-powered PC to "see" the device as an external drive, but Fedora only realizes there is "something attached" (likewise, the Tablet recognizes it is plugged to something).
Is there any method to make Fedora 15 use the Acer Iconia Tab as an external drive? Is this problem Android or Iconia specific?
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Mar 20, 2010
Yes, I was all excited when I plugged in an old dusty PC and found it still alive with a 32 gig hard drive & 260 Megs of RAM with an open slot for more memory, fit for my first Linux system. Then I navigated to device manager and found it was powered by a celeron, which was kind of a bummer.Anyway, can I get by with this setup? I'd like to use the slackware distribution, and my main purpose is to learn to administer a LAN, starting w/ 2 local clients, & a server that also runs Apache.
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Mar 27, 2010
I've been getting a message on my monitor where "Input not supported" is floating around. This only happens when I manually turn the monitor off and then later turn it back on. Leaving the monitor on and allowing it to go to the screen saver doesn't seem to cause the issue (but I prefer to turn the monitor off if I'm going to be away from the computer for any length of time).
Specs:
Acer X203w monitor
Radeon 9600 Pro Video card
Linux Mint 8 (Helena)
Resolution 1680 x 1050 (16:10 - Preferred native resolution for the monitor)
Refresh Rate 60hz
[Code]...
I just had it happen again. I tried unplugging the DVI cable from the back of the computer and then plugging it back in. The monitor then displayed the desktop properly. I'm not sure if that makes a difference or not in what I may need to change settings-wise.
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Sep 7, 2010
I have 3X 5.25 SATA removable bays with hard drives in it. I am working on a new script to manually backup some very important data to those drives. Basically, to eliminate risks of burning the HDD's, or accidentally (either by me or my scripts) destroy data, I normally keep those drives offline, i.e. unpowered. The enclosures are Vantec EZ swap and require a key to turn them on/off. Once it is turned on, Slackware see them without a glitch. My script will basically display a message to warn that the backup is about to happen, then once the user click the OK button, mount the partition to a local folder and then backup the data. The partition will then be unmounted and a new message will be displayed to ask the user to "unplug" the HDD. Cron will take care of the schedule.
Basically, in pseudo code:
Code:
1-Verify if sdd is connected (powered)... If so, procee to #2, else display message box "The HDD is not connected"
2-Mount the partition sdd5 to the local folder
3-Backup
4-Unmount the partition from the local folder
5-Display a message box "The backup was completed with success. You can now disconnect the HDD"
how can I automate the detection of the hdd? I would like the script to poll or probe the HDD to see if it was properly turned on, and if so, proceed with the rest... I tried all kind of stuff but no luck... For example, fdisk -l will list the drive & its partitions if it is connected (powered) and wont if the drive is not connected. I cant use the output of fdisk to efficiently accomplish what I am trying to do...
I want the script to display the messages boxes (Please plug the HDD & You can now unplug the HDD) to a different display (i.e. my laptop). The reason is because the script will run on my server that has no monitor...
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Aug 11, 2010
I have HP Scanjet 3770. UBUNTU 10.04 installed on my desktop. HPLIP also installed. This scanjet working well in Windows Xp but in ubuntu SimpleScan does not recognize it.
It shows:- No scanners detected Please check your scanner is connected and powered on.
I Also visited [url] & found as below-
ScanJet 3770 Unsupported. While an external binary-only backend exists, it works only on Linux i386. Therefore the scanner is unsupported on other platforms.
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May 23, 2011
My power settings is set to put the laptop screen to sleep after some minutes of inactivity. This works fine, however it doesn't want to come back to life if I move the mouse, type etc...
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Aug 20, 2010
after a successful installation of the latest debian testing amd64 kde CD-1 iso, the monitor shuts off about 2 seconds after passing the grub2 menu while computer remains powered.
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Aug 2, 2009
Ive been using linux for a while but I am just getting into shell scripting, im currently trying to get a simple script for finding and copying files powered by the command:
Code:
This works fine from the command line but when put in a script such as:
Code:
Code:
with the keyboard inputs for $fc1 and $fc2 being *.doc and ~/test respectivly. The only problem i can see is the xargs -ivar "var" part possibly needing $var to be defined?
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Jan 15, 2010
I added an ext4dev filesystem to my hard drive as /dev/sda3 and mounted at /share with the goal of putting all of my multimedia files on it and sharing it through NFS. I followed this guide: [url]
Of course, this was from lenny (hence the -dev). The partition was fine, and I mounted it numerous times. I also performed a dist-upgrade to squeeze. I shutdown that computer with the usual 'shutdown -h now' and disconnected the AC power cord from it, because I wasn't planning on using that machine for awhile. As far as I could determine, everything was fine before I unplugged it.
Every time that computer is powered off, the clock resets to 1999 because the battery is bad. So I am used to getting the "last mount time is in the future" error.
Three weeks after halting, I powered the computer back on. It was unplugged until this point. I got an error message when it attempted to mount /dev/sda3
I then removed its line from /etc/fstab, rebooted. and tried to check it, but I just keep getting the same error-- even with the '-b 8193' option.
The machine is still using the 2.6.26 kernel from lenny. I am building a new one right now (2.6.30), hoping that the problem is caused by the ext4dev/ext4 module. Otherwise I don't know what to do.
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Jul 2, 2010
i opened up my browser to surf the web and a page popped up i had never seen before.Apache 2 Test page powered by centos. Any address i put into my firefox browser won't come up and i'm stuck on this test page and,i can't locate it on my computer to remove it.How do i get rid of it and more importantly how did it get on my computer in the first place?
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Nov 15, 2010
I have a 10.10 machine where it has taken to refusing to logout of one specific user account. When I choose logout/restart/whatever from the possible options, it takes me to the main login screen (with the drums) and it shows thet that user is still logged in. The only way, once this occurs, to rid myself of this is to sign in as an administrator and run shutdown -r 00 under sudo. Then it reboots. (Using the admin account to choose restart/shutdown also returns me to the mail login screen where that unpriv'd user is still logged in.) (The machine is fully up to date.)
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May 24, 2010
24" intel iMac , 4gb ram, fully updated.
I have installed amd64bit 10.04 for some reason the system will reboot without warning. I can not see any issues that point to any major problems in the logs.
All hardware appears to be working well although i have not yet tested the built in web cam.
Are there any extra debug log settings i can switch on to try and track down whats causing the reboot.
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Oct 11, 2010
Prior to this version of ubuntu my laptop (an old P4 gateway) shut down just fine. It acted fine in windows xp, and ubuntu 9.04, 9.10, and 10.04. Starting with my first shutdown after upgrading to maverick (as opposed to a fresh install, which is what I've done for every time I went to the new version before this), it just reboots the computer instead of shutting down.I've tried clicking the icon in the corner, I've tried pushing the power button and clicking shutdown on that screen, I've even tried shutting down from the command prompt, but each of these just reboots the computer.
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Nov 1, 2010
I am trying to write a script to add to crontab that I can use to auto update my system a couple times a week.I've done that much before, but I want to make the script a bit smarter about rebooting. Before I had it reboot after running the "apt-get upgrade" command, regardless of whether it needed to or not. Easy peesy stuff, just a sequential command using "&&".What I would like to know at this point is how I can have the script look to see if the reboot is even necessary. I am assuming there is something I can tell the script to look for in an if statement, but I'm not sure what or where. Can anyone point me in the right direction for this?
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Nov 10, 2010
I have Mevarick's problem with suspend. When i do suspend on SONY vaio fw31e screen goes black but when i press any key it won't suspend. It boots like i just turned it on.
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Dec 1, 2010
Everything was going great earlier today when suddenly, my PC on a fresh boot, gave me a message that said something like "Ubuntu is running on low graphics mode ..". It was running a low res, i think it was 640x480, and gave me some repair options like a. Boot in low res mode for just one session b. Trouble shoot this error etc..There were 3 more options but i don't remember what they were.
i chose "boot in low res just for this one session", but it gave me the same error the next boot. Then i tried troubleshooting, which didn't work (restoring to a backup config was no use). Then finally i rebooted and started Ubuntu in Recovery mode, and i did something like "Fix broken packages" because , from the list of options it seemed like the only one which would help at that time.
But now, whenever i choose the Ubuntu option after starting my PC, it just restarts my computer. My other OS is Windows 7 which boots just fine. Hope someone can help me with this . In the meanwhile i'll try making a new MBR or something.
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Feb 15, 2011
I downloaded and installed Ubuntu desktop on 9/26/10. Not sure what version that would be but that is my download date. Running a dual boot XP 32bit/Ubuntu 64bitNo problems at all so far and I've been keeping up with updates manager. Two days ago I went start my machine and chose Ubuntu from the OS selection screen as usual. The only thing that shows up on the next screen (grub menu I believe?) is "HD (0,0) NTFS5" for about 1.5 sec and then reboots.
Windows boots and runs fine. They are both installed on the same physical drive. Not sure what else to search for or include for information. I've tried searching the forums but not sure what nomenclature to use.Trying to avoid reinstalling. p.s. I knew I was enjoying Ubuntu but didn't realize how much until I was forced back to using just XP.
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Feb 17, 2011
I installed Ubuntu 10.10 on my computer from a USB. I did not use wubi to install ubuntu. The computer already had Windows 7 installed. According to gparted, Windows 7 is installed in sda1, linux swap space is in sda2. Then sda3 is shown as a drop down menu containing sda5, where linux is installed. A picture to show this is attached . sda4 is a recovery partition that came with the computer.
The problem is that Windows 7 sometimes boots, and sometimes it does not boot. Most of the times it does not. Ubuntu boots perfectly. The process to boot is the usual, turning on the computer, wait for grub to load. If I pick Windows, it goes to the splash screen (which is by the way not the usual windows 7 splash screen, it resembles more the vista splash screen, picture attached. I do not know the reason, and I have no idea if it has anything to do with the problem) About 80% of the time, it simply reboots a few seconds after the windows splash screen is shown. The reboot takes me back to the usual HP splash screen, then grub again. The other 20% of the time, it boots normally and works perfectly well.
Right after I installed ubuntu Windows was shown in grub as installed at sdb1. I updated grub and now it is shown as sda1. I already tried some grub custom entries for loading Windows differently, but they all present the same problem. Please do not discard a custom entry as a solution, as the source I used for these custom entries was not entirely trustable.
I also tried popping in the windows installation disk and trying a system repair, but apparently no errors were found.
Reinstalling grub using Ubuntu live cd (booted from a USB) did not work either...
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Feb 15, 2011
I've been trying to get Ubuntu on my computer for months now and after having googled no relevant cases which may help me I would like some help.
I am trying to install Ubuntu on my computer (which already has windows and I don't want to lose it yet)
I have already burnt 3 CDs yet the problem is the same each time, that's why I believe the problem does not come from the burning. I checked the md5sum and there was no problem.
However when I try to install Ubuntu (or sometimes during a live session) after partitionning my computer and selecting mounting points, having "format" checked on the concerned partitions, the installation goes halfway through the "copying files" process and my computer simply reboots. More precisely, in the middle of installation the screen is replaced with the loading page of Ubuntu (like when you start with the live CD) then my computer reboots, no questions asked (not even to remove the CD, it reboots with the CD in it... while during a manual shutdown it would open the tray and ask you to close it)
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Feb 17, 2010
I keep having issues at the main password screen. The computer starts, I click my login name, type password, start to hear the music, screen distorted, then reboot. Sometimes I have to do this up to 20 times before it finally logs in.
I am running a Biostar U8668-D Motherboard with 1gb ram. Video is onboard. I am not sure what type. I think it may be S3 Pro Savage.
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Apr 30, 2010
Since I know there's a lot of support threads going, I wouldn't ask unless I was really stumped and couldn't google. I'll get right to it.
10.04 fresh installed fine, working, few reboots, all good. Installed Nvidia 195 drivers. Not so good, still works fine, but framerates not as good as the 190 drivers I'd been using with karmic. So I installed nvidia-glx-190 and nvidia-190-modaliases with the nvidia PPA for jaunty. They didn't appear on the restricted drivers list, I rebooted in the hope they would, and now my boot process is as follows.
Boot, met with a blinking _
Goes blank
Another blinking _
Green static appears momentarily, then very fast the Ubuntu splash appears, the white orbs all turn orange, and there it hangs. The splash itself is in the wrong resolution.
Everything is the same as when it was working except it didn't totally freeze at the end. It responds to nothing except the power button (and sometimes not), I can't access a shell or the grub menu at any stage during the boot process like I usually would, and nothing in the boot log seems out of the ordinary.
What should I do? I'm on a LiveCD desktop, got the harddrive mounted.
Macbook pro 4,1, 2GB ram, Core2duo with Nvidia Geforce 8600GT
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May 8, 2010
This happened with 09.something and again with 10.04. When I plug in my Palm Centro smartphone, it starts endless rebooting. I solved it last time by removing modem-manager from /usr/bin.But that program didn't reappear through my upgrade.
Well, when I first upgraded, then plugged in my Palm through a USB cable, the phone rebooted. Then, I was able to sync to JPilot. Attempting the same thing later, the phone rebooted continuously.Today, I seem to be able to sync again.
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May 9, 2010
Whenever I select windows 7 from grub it will boot up to the splash screen and then restart.I do NOT have a repair cd.
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May 14, 2010
when I select Vista/Longhorn from my grub list, it shows a black screen, then shows GRUB again. I recently had to reset my menu.lst, so I'm not sure if the settings for the windows option are correct. This is my /boot/grub/menu.lst:
Code:
# menu.lst - See: grub(8), info grub, update-grub(8)
# grub-install(8), grub-floppy(8),
# grub-md5-crypt, /usr/share/doc/grub
[code]....
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Jun 15, 2010
I was wondering if there was a script that would run on log in telling me the history of when the server was rebooted or such, along with the last user and motd (which is a roflcopter in my case)
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