General :: Display With No Signals And Go In Sleep Mode After Update

Jan 24, 2010

Linux downloaded new updates and worked perfectly. Next time I started mint, just before the login screen appears display says No Signal and goes in sleep mode. I think that mint downloaded somekind of display driver update wich is not compatible with my driver card. I can't see desktop, I just hear the login sound and that's all. What should I do? I'm new with linux.

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Ubuntu :: Cannot Display Video Mode (after Update)

May 8, 2011

I am running a dual boot system. I have XP on one HD and Ubuntu 10.04 on the other. No problems. I boot back and forth all the time. Then came along Natty. Now I tried to boot over, and I get "Cannot display this video mode". I have it set up that when I restart, if im away from the computer, Ubuntu starts by default. So it eventually starts in ubuntu. But the screen where I used to be able to choose which operating system to boot into is now replaced with "Cannot display this video mode".

I am not wireless, and nothing has changed as far as hard wear. The monitor is some old Dell that worked perfectly fine with 10.04. I tried changing my resolution and settings to every different one, and restart, and still no dice.

To sum it up, after my update to Natty, when I reboot, my OS selection screen is no longer visible. Its now replaced by "Cannot display this video mode".

So now it seems, what ever setting this screen is running on, XP dont like it..... because of Natty?

I gotta get some work done in XP, so right now im screwed. My CRT is currently sitting outside in the rain. Or I would try it.

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General :: Put In Sleep Mode At 1 Am And Wake Up At 6 Am Automatically?

Jan 4, 2010

Is it possible to let a Linux PC put itself into sleep mode at 1 am, and wake up, by itself at 6 am?

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General :: Enter Task In Sleep Mode?

Jun 26, 2010

How would i place a task in sleep mode then restart it?

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General :: Sleep Mode And Power Management ?

Mar 31, 2010

I have to questions: I am new with Linux and using ubuntu on my laptop computer. when i reopen my leptops cover after i closed it, meaning - putting computer to sleep, every thing is working, but the screen is black and nothing is seen. No matter what i tried to do, i cant make it to "wake up".

Using the computers battery, with no electric supply, the battery time is only half of what i get when using windows. i tried using less lumination but it didnt seem to help.

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General :: Better To Leave Battery Or Remove In Sleep Mode?

May 26, 2011

I am using Ubuntu 10.10 on an IBM ThinkPad t43. I have a 9 volt battery that I use only occasionally. Usually I use the AC connection and when I'm finished working I leave the laptop in "sleep" mode. (Not always, but often.) When using the AC is it okay to leave the battery in the computer or is it better to remove it? Some swear it shortens the battery's life to leave it installed when not in use. Others swear--with equal fervor--that the newer ion batteries know when they are fully charged and don't have to be removed. Which is true? It's inconvenient to keep taking the battery in and out, but if it's necessary to prolong it's life I guess it's worth it. Some clarity good because, as I said, you can find equally impassioned arguments for both sides of this issue.

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Ubuntu :: Won't Go Into Sleep Mode

Apr 13, 2011

Asus u43f wont go into sleep/suspend mode. Either manually from the shut down menu or by closing the lid. the screen will turn off but the various lights do not turn of and hard drive continue to spin.

I found this suggested test with a google search but no fix

sudo /etc/acpi/

which returned:

cat: /var/lib/acpi-support/system-manufacturer: No such file or directory
cat: /var/lib/acpi-support/system-product-name: No such file or directory
cat: /var/lib/acpi-support/system-version: No such file or directory
cat: /var/lib/acpi-support/bios-version: No such file or directory

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Fedora :: USB Not Active After Sleep Mode?

Dec 5, 2010

i'm having this problem:when i put Fedora to sleep the system disconnect all my usb (or so i think)basically i can't wake up my computer becouse there is no where to do gets back to normal after i power it off/ can i fix this?please since i'm new both to fedora and linux try to be detailed with the explanations, or there is a good chance i won't understand a thing

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Debian :: Keep Network Connection In Sleep Mode?

Jul 25, 2011

I wonder if it's possible to configure Debian so that it keeps network connection live while in sleep mode

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Fedora :: System Freezes After Being In Sleep Mode

Jul 10, 2009

I upgraded to fedora 11 from fedora 10 yesterday, I like it ok but when I put the machine in sleep mode and then go to turn it back on it comes up to the log in screen and thats it its frozen. I hate to completely shut down the machine every time I get off.

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Ubuntu :: 10.04 Not Waking Properly From Sleep Mode

Apr 30, 2010

Since installing 10.04 yesterday my laptop will not wake correctly from sleep mode. Opening the lid wakes the machine up but the graphics are all wrong. Loads of tightly packed horizontal lines. Turning the machine off and restarting makes all ok. It's only on wake up does the problem happen. The laptop is an Acer 1652,with an ATI Mobile Radeon X300 graphics card. Intel Pentium M.

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Ubuntu :: Disable Sleep Mode Shortcut Key?

Oct 14, 2010

How can I disable the functionality that puts the computer to sleep when I press the sleep button on my keboard?

I keep hitting it accidentally and I don't even use a swap, so Ubuntu just stalls with a black screen.

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Ubuntu :: Cannot Recover Out Of Random Sleep Mode

Nov 16, 2010

I'm on the computer for 15 min, and then it randomly goes into a sleep mode, and I can't recover it (system lights are on, monitor on, mouse/keyboard fine). I've replaced pulseaudio with alsa, and whenever I go into the screensavers tab to disable sleep mode, the computer does its thing and randomly goes to sleep. This is REALLY frustrating because I leave the computer on for downloads, but when I come to check on them the computer has gone to sleep, and I et corrupted files on my HDD. How to disable sleep from terminal?

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Ubuntu :: Goes Into Sleep Mode - Flash Player?

May 10, 2011

My Ubuntu goes into sleep mode while I'm watching video on fullscreen, is there any solution for it?

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Ubuntu :: 11.04 - How To Increase Time For Sleep Mode

May 4, 2011

How can I Increase time between sleeps? I have tried power management without effect.

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Ubuntu :: Display Going To Sleep?

May 14, 2010

How can I stop my display going to sleep?

I've got the Power Management settings for mains power as:

Actions - put computer to sleep when inactive - never

Display - put display to sleep when inactive - never

Screensaver settings are:

Regard computer as idle set to 2 hours

Unticked Activate screensaver when computer is idle

Yet the screen still goes blank after a few minutes when I'm not using it.

I dual boot and it doesn't do it in Windows. It didn't do it in 8.10 or 7.10 either.

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Ubuntu :: Put Display To Sleep Via Key?

Oct 28, 2010

My display is set to sleep after 30 minutes of inactivity. When I go to sleep at night I don't want to wait 30 minutes for the monitor to shutdown, is there any way I can use the keyboard (like a hotkey) for :

1. Start my screensaver (when I go for 5-10 minutes afk for example).

2. Make the monitor go to sleep mode.

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Fedora X86/64bit :: 10 X86_64 Not Waking Up After Being In Sleep Mode?

Mar 27, 2009

I have Fedora 10 x86_64 installed on my Think Pad T61p and when ever I put it to sleep and then try to wake it back up, it doesn't wake back up, all I get is a blank screen

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Fedora Hardware :: Why Isn't F14 KDE Put Computer Into Sleep Mode Like Gnome?

May 26, 2011

Gnome would sleep after specified 10 min and put this machine into <1 Wt saving mode.KDE just invokes screensaver and turns off display. It won't even spin down HDDs.There are no profiles in KDE power settings and I can't create any - create button works, but 'new profile' dialogue does not actually create any profiles.This is a brand new default install of F14 on AMD 890 chipset.

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OpenSUSE Install :: How To Get My Laptop To Go Into Sleep Or Hibernate Mode

Aug 3, 2010

Installed openSUSE into my Thinkpad T410 and noticed that when I closed the laptop lid, the moon icon does not light up.

Reopening the lid and will see a screensaver password screen immediately.

Does this means that the laptop does not have Sleep (or is it called hibernate) mode enable? How can I enable it?

This also happens with Debian that this laptop is dual booted with.

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Ubuntu :: Karmic 64 - Screen Going Into Sleep Mode - Desktop PC?

Jan 13, 2010

My screen has started going into sleep mode if the computer is idle for around ten minutes - sometimes longer, no discernable pattern. The setting is of course set to 'never' in System / Preferences / Power Management

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Networking :: Fedora8 - Firefox In Sleep Mode - Can't Boot ?

Apr 26, 2010

Installed Fedora8 from an old DVD.

Two issues:

1. start Firefox, but it goes into sleep mode. no matter reboot machine, etc.

2. after entered a static IP address in network manager, fedora hanged in boot process, halted in "send email" which is one of many processes at boot up.

Used DHCP, can ping to other PC in LAN, but can't go internet.

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Debian Configuration :: Sleep The Display With No GUI?

Jan 27, 2010

I'm using a laptop as a mini server, but I haven't figured out how to sleep the display. I am not using the gnome desktop - I shut the lid but the display stays on.

ps - I should note - this is Debian 5.0.3 PPC version running on a PowerBook G4

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Ubuntu :: Stop The Display From Going To Sleep?

Aug 11, 2010

I just recently changed one of my OSs to Ubuntu 10.04. I have run into a somewhat annoying problem. The problem: My monitor is going to sleep after 10 min. of inactivity no matter how I have the system set. I do not wish for this to occur, I mean why bother having a screensaver? lol I am using a desktop PC. The Power Management daemon is enabled. I have power management set to - Put computer to sleep when inactive for: Never Put display to sleep when inactive for: Never When power button is pressed: Shutdown When suspend button is pressed: Suspend

I have screensaver set to- Activate screensaver when computer is idle: unchecked Lock screen when screensaver is active: unchecked The duration slider is maxed out to 2 hours. The sleep function of my monitor is turned off. It's a Compaq WF 1907. I know it's Ubuntu because my monitor OSD is showing a "No Signal" message when it happens and it never happens when I am using Linux Mint 9. Since LM9 is built on top of Ubuntu, this leads me to believe a setting is simply not taking. Ubuntu is fully updated. I have a wonderful desktop set up and I would really hate to scrap it and go back to LM on this partition but this is really irritating. Is there some way to make it work the way it's supposed to?

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General :: Changing HDMI Display Mode From Application

Jul 22, 2011

Can anyone suggest a method to change the display settings of HDMI from an application in Linux. I am using fedora core 11 and my PC has intel integrated graphics controller.

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Debian Multimedia :: Screen Remains Black After Sleep Mode

Feb 20, 2011

I recently came to Debian. As I have an ati card, I tried the proprietary drivers first, but then came back to radeon (open-source). In the process, I think I may have broke my xorg.conf . Sometimes, when the monitor goes into sleep mode, when I came back, the screen remains black (sometimes I see just the cursor).

Here is my xorg.conf
# NOXORGCONFEXISTED: No configuration file existed when this backup was created.

Also, I have lots of backups in my X11 folder, like xorg.conf.fglrx-3, xorg.conf.original-1, or backup.xorg.conf. Is it safe to remove them? What should I do about the main xorg.conf?

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Ubuntu :: Can't Cancel Manual Login Or Sleep Mode In Maverick 10.10?

Dec 20, 2010

Recently did a fresh installation of Maverick 10.10.and have hopefully everything including the updates, etc.But...I have the following problems, Not been able to get the "auto-login" to work ...(systems/administration/login screen), and I've unable to switch off the "sleep mode", of which I tried to change management).

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Debian :: Get Laptop To Go Into The Moon Icon (sleep Or Hibernate Mode)?

Aug 2, 2010

Installed Squeeze into my Thinkpad T410 and noticed that when I closed the laptop lid, the moon icon does not light up.Reopening the lid and will see a screensaver password screen immediately.Does this means that the laptop does not have Sleep (or is it called hibernate) mode enable? How can I enable it?[Solved]Managed to found out what I've done wrongFor KDE users, go to the menu-> Power Management-> Chose the Profile as Powersave

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Hardware :: Suspend / Sleep Mode Doesn't Work In Distro

Aug 26, 2010

I've tried ubuntu, kubuntu, fedora and linux mint. all 64 bit versions. I've also tried to suspend through applications like acpitool. But nothing works. When I click on Suspend, the screen goes blank but the computer is still running. The wireless network adaptor gets disabled for a second and then comes back on. All I have to do is press a key and I get the unlock screen prompt. Basically, suspend works like 'Lock Screen'. I have a HP Pavillion laptop. Core 2 Duo @ 2 GHz and 4 GB RAM.

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Ubuntu :: Maverick Display / Computer Sleep Despite Being Set To Never

Oct 20, 2010

I applied Power Management settings to put my computer to sleep in the hope that it would only sleep when it wasn't downloading something in Deluge. Unfortunately it would seem that it puts the computer to sleep despite Deluge being active. No biggie I thought, I'll just disable the sleep settings my setting them both back to NEVER. However, it ignores my new settings and still puts the display / computer to sleep, at the exact times I set originally!

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