Ubuntu :: Most Times After Boot Up The Display Is Black?

Nov 8, 2010

This little guide is for anyone with an HP Touchsmart Tm2 series running Ubuntu 10.04 and above. PLEASE NOTE: These workarounds, solutions, and tips have been tested and verified to work on an HP Touchsmart Tm2-2050us running Ubuntu 10.04 Lucid Lynx and Ubuntu 10.10 Maverick Meerkat. Installation: There are no problems I have experienced with installation except for the display not working on the live USB/CD images occasionally, this can be fixed by simply closing the display lid, and reopening it (this usually has to be done at least 2 or 3 times). Display: Most times after boot up, the display is black. A workaround for this is closing the lid and reopening it (repeat until the display works). Another reported solution is as follows:

1) Open a terminal
2) Type:

Code:
sudo nano /etc/rc.local 3) Add this to the bottom of the file (this disables the ATI part of the hybrid graphics card):
Code:
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
4) Press CTRL-X (to exit), Y (to save changes), and ENTER/RETURN to accept the file name.
5) Reboot
Note: This solution is also reported to increase battery life.

Trackpad: It may seem that the right click button is disabled, but it isn't. To right click, you must tap the very bottom right corner of the trackpad. Also, by default the trackpad does not have multi-touch enabled (even though it is capable of it). A reported solution for this is:

1) Open a terminal
2) Type:

Code:
sudo nano /etc/X11/xorg.conf.d/50-two-finger-scroll-touchsmart-tm2.conf
3) Add this to the bottom of the file:
Code:
Section "InputClass"
Identifier "enable synaptics SHMConfig"
MatchIsTouchpad "on"

[Code]...

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Oct 21, 2010

I'm new to ubuntu, and pretty new to windows as well. I'm not proud of it but before windows 7 I was using a mac. I have installed ubuntu 10.10 netbook i386 onto a flash drive, but when I go to boot my comp with it I get my initial boot screen, then the ubuntu screen, but then my display goes black.

I dont really know what comp specs to give...
4gb ram
Intel core 2 duo p8600 2.4ghz
NVIDIA GeForce GTX 260M

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systemctl status systemd-udev-settle.service -a output
Code: Select all● systemd-udev-settle.service - udev Wait for Complete Device Initialization
   Loaded: loaded (/lib/systemd/system/systemd-udev-settle.service; static)
   
[ode]...

Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

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Aug 18, 2010

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Mar 21, 2010

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It was the same when I was running 8.04 with a different graphics card, if that matters. Haven't been able to try a different display. Screensaver and timing and resume normal video out works ok.

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Oct 7, 2010

I installed Ubuntu on a Toshiba Satellite about a month ago. It worked for about three hours. I installed Wine, and it still worked but the display would sometimes go black for a few seconds. Later that day I rebooted and that was it, no more Ubuntu. It goes through all of the process of booting but then the screen just goes black before I even get to the purple Ubuntu screen. I'm running this on a drive in an enclosure so I simply plugged the drive into another machine ( actually two other machines ), and it works perfectly. I have an old Vista drive that I put in the Toshiba and that works just fine, so it's not a pure hardware issue. Just to be sure I wiped the Ubuntu drive and re-installed, this time without installing wine. No Toshiba love. Just the black screen. I even made a flash drive with the loader and iso from the Ubuntu site. Same deal. It starts to boot from the flash and then just goes black where you would normally expect the purple Ubuntu screen. This thing is driving me nuts and I am at a point where I really need this machine working and will be faced with simply wiping the Ubuntu drive and installing Windows.

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Feb 7, 2011

I was trying to install my ubuntu into my laptop , at the beginning of the installation my display goes black , I searched and changed to nomodeset . I could Install it and after reboot my ubuntu didnt work again , black screenand next I did this :On the Grub Menu, I select "Ubuntu, with Linux 2.6.35-22-generic" and press "e" so I can edit the boot parameter.

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Oct 23, 2010

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Apr 12, 2011

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Nov 30, 2010

I did a LiveCD to USB install, following the directions I found at [url] When I went to reboot to the USB stick, all I get is a black Screen (monitor is on and lit, just nothing on the display) No cursor or command prompt. I've tried holding shift to bring up the GRUB menu, changing splash quiet to nomodeset, or just adding nomodeset after the splash quiet thing. I've even tried xforcevesa instead of nomodeset still black screen. Looking at the logs nothing is current as of the last time I tried to boot the computer, it's strictly what was written when I installed it to the stick. Other things I've checked/tried, Pressing CTRL+Alt+F1 at GRUB to get TTY, all I get is that blank screen. I've Checked etc/default/grub to ensure the timeout was higher then 0. The Install CD seems to be OK but I have (as it did another install successfully) but I haven't done any throughal checking of it (there was no check this disk on the first screen of the LiveCD) The USB sticks also seem to be ok (in windows though). Using the disk utility on the live CD I did check the file system on the USB stick, the "/" partition came up clean. Anybody have any other thoughts on this install, any thing else I can check?

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Feb 11, 2010

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This is really strange problem and i have fresh installed the openSUSE two times but same problem.

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Oct 4, 2010

I had my system running fine on Debian for about a month and a half. Then tonight the display suddenly went black. The system was still running, but my screen was black (though the monitor didn't indicate that it had lost signal). I restarted the computer; it booted through the BIOS and showed me my GRUB menu, but then the display went black again. Shorting the jumper pins to clear CMOS data didn't help; in fact, that made the display go black even sooner. Now, I see my motherboard's BIOS splash screen for a couple of seconds, and the display goes black. I know the system is still booting okay, because I hear the usually noises from the internal speaker. But I now have no visual output.

Could this be an issue with the motherboard or the video card? The board doesn't have onboard video, or else I'd try that. And I don't have any spare boards, video cards, or monitors available to me here. I did try using a D-sub cable instead of DVI-D (my monitor and video card support both), but that was no better. What can I do to try to fix this problem?

Motherboard: MSI 870A-G54
CPU: AMD Athlon II X2 250 (at 3.0 GHz, not overclocked)
Video card: Sapphire 100252HDMI Radeon HD 4550
Monitor: Asus VW195T

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Jun 16, 2010

I install Bochs on Ubuntu10.04 with compile,there is noting errors.but when I running the linuximage(download from:Below is code:

root@IManewer-linux:/home/imanewer/Oranges/linux-img# ls
bochsout.txt bochsrc minibootable.img README TESTFORM.txt
root@IManewer-linux:/home/imanewer/Oranges/linux-img# bochs -f bochsrc

[code]...

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Sep 5, 2010

I don't seem to have an "xorg.conf" file.

Gateway SB400a computer with Edubuntu Lucid installed. The problem first cropped up when I installed the Edubuntu packages on Ubuntu. I did a fresh install with Edubuntu and the problem persists. I don't want to go back to Ubuntu since this computer is for my Grandkids and I want to the Edubuntu stuff for them.

I don't have the specs handy, but I can get them. what I have to do to get them. (it happens when you get old)

EDIT: From my xorg.0.log: (--) PCI:*(0:0:2:0) 8086:2562:107b:4000 Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device rev 3, Mem @ 0xf0000000/134217728, 0xffa80000/524288

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Ubuntu / Apple :: Screen On Display Entirely Black - External Monitor Never Becomes Active

Apr 3, 2011

Just did a fresh install of Natty B1 (previously had alpha 2).. I noticed this issue w/ A2, as well.. plugging in the exterminal monitor (via mini-displayport-to-vga connector) will do the following:

1) turn the screen on the laptop's display entirely black (but not turn it off).. i can move and see the mouse cursor.. but everything on the window appears to not rending or "painted" black..

2) external monitor never becomes active..

the only way to recover is to kill/restart X or reboot after disconnecting the extmon.. having extmon plugged in from boot produces the same results (and it doesn't seem to ever become active during boot up). sometimes this won't happen right away if i plug in the external monitor.. but opening the Monitors system prefs dialog will definitely cause (or detect displays) ,etc I waited to see if the issue would fix itself w/ the beta update, but it hasn't.. Any other 8,1 owners out there that can verify this issue? My (totally uninformed) guess is that it's due to differences in the display/gfx hardware and thunderbolt integration(?)

(I've seen a verification verifications of working-out-of-the-box.. but they were from 8,2 and 8,3 owners (which have discrete graphics cards))... If anyone's gotten this to work with some config stuff, I'd love to see that as well (since the wiki page for 8,1 says it works ootb). If someone could let me know where I should look to capture error output when the above issue occurs, that would be awesome.

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Fedora :: Computer Display Suddenly Goes Black With No Response

Apr 9, 2011

This started happening about 1 hour ago. My computer display just went black, and the power light never changed state. I turned off it's power, and then back on (after a few seconds), and the power light came on "blue", which is what it's supposed to be, but i got nothing on the display, and hitting the menu buttons did not show a menu for the display, or any kind of response. i rebooted a couple of times, to no avail.

I thought my new display just crapped out, so i took it to another computer (windows xp laptop) and plugged in the vga cable (my server uses DVI), and it was fine. I took it to another computer (windows 7) with a DVI cable, and it was fine. I brought it back to my desktop/server, and plugged it back in, and it was fine again. Menu buttons and all.

Then, a few minutes later, it went out again. I turned the power for it off for a few minutes, then back on, and it came on with weird scanlines of various colors... then went back to black.

I played with unplugging the dvi cable in the back of the monitor/display, and wiggling it, and then at the computer connection, and at some point it came back on, for no obvious reason (i think i already stopped playing with it).

xorg.log was uneventful, but i can post it, if need be.

Dmesg shows this (the very last line of the NEXT post was the only one of any interest; but googling it returned no scenarious involving display crashes):

Code:
[ 15.615437] dracut: Switching root
[ 17.529852] udev[521]: starting version 161
[ 18.991277] ATK0110 ATK0110:00: EC enabled
[ 18.994541] EDAC MC: Ver: 2.1.0 Feb 7 2011
[ 19.044674] microcode: CPU0: patch_level=0x10000bf

[Code]....

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Jun 26, 2010

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Finally, what other tricks could I use with this 2nd HDD to speed things up?

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Nov 1, 2010

At work, we use two very powerful servers to host a series of VMs to do some heavy-lifting analytical work. Part of my job has been to evaluate a variety of different virtualization environments, including changing the host OS (or dom0 kernel for Xen), changing the platform (KVM, Xen, ESXI, etc.), and changing the guest OS types.

I noticed a number of behaviors that Ubuntu exhibited that set it apart (almost always in a positive way) from the other OSes. Most astounding though was that when an Ubuntu 10.04 AMD64 server VM was booted from an Ubuntu 10.04 AMD64 server host (that is, same version of Host OS and Guest OS) in KVM, the guest boots in roughly 2 seconds. At least, the guest boots faster than the VNC connection can initialize.

I'm certainly not complaining, but I can't for the life of me figure out how this could be possible. I understand that the Upstart init daemon is very good about startup times.

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Jun 17, 2011

First off, i have ran 10.10 for the past 6 months without any problems. Then last week i decided to try 11.04. I installed using Wubi. Now the problem is the computer only freezes when I am using a web browser (firefox). it completely freezes where I can do nothing, so I will kill it with the power button. When i try to restart, not even the bios will boot up, just a blank screen with the num/caps lock key flashing.

But after trying to restart several times the bios and boot loader will eventually come up and will start up normally until the same thing happens. I decided to reinstall using wubi so when i tried to boot itno windows, the windows partition was corrupted. I fully restored windows and installed 11.04 with wubi again only to have the same freezing problems.

I will be trying 10.10 again and see if it just a 11.04 issue, but thought this problem should be out there if anyone else has a similar experience

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Sep 1, 2009

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(1) Then I tried to install the F11 iso dvd. After the "anaconda started" message at the bottom of a blue screen, the screen went blank and occasionally the message would appear: "cannot display this mode 2:dvi-d". Thinking the monitor had gone into power save, I hit many keys and moved the mouse to no avail.

I gave up! BTW I had checked all media CDs for errors.

(2) then working under F10, a little message appeared from the lower right of the screen asking if I wanted to upgrade to F11.

I accepted and again "cannot display this mode 2:dvi-d" on a black screen after anaconda started on a blue screen. This time no ISO DVD F11. I've never seen such an error message in 11 years (off and on) of using Linux. HD Disk activity was showing on the disk activity light so I let it run all night and part of today. I hit a bunch of keys and moved the mouse and the blue screen returned saying all was done and restarting.

After restart, I seem to have F11 installed. I did a yum update and got some more F11 updates. On the grub screen, the only F11 kernel was the PAE kernel which I selected
and got:

Does F11 have any F11 kernels? BTW running >setup (hd0,0) under F10 grub ruined my XP prof OS on scsi 0 so I reloaded XP Prof from scratch.

Questions:

(1) what is this "cannot display this mode 2:dvi-d"?

(2) Now I cannot boot to Fedora 11 and all the advice on how to reinstall grub has failed failed. Did a rescue and chroot /mnt/sysimage and the fdisk -l

Now XP Prof seems to be on /dev/sdc and Fedora on /dev/sdd. What do I do? In the meantime I have retreated to Fedora 10.

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Nov 3, 2010

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After editing $ vi ~/.bash_profile as the site instructs, I proceeded to log-out and log back in...except I can't log back in. I have repeatedly gotten the login screen, selected my account, and entered my password. When I enter my password incorrectly, it says 'Validation Error' and that is not what is occurring. The display goes black for a couple of seconds and I am redirected back to the log in screen.

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May 14, 2010

I want make two simple changes in my display (energy management) & synaptics touchpad configuration:

1.Prevent the display from turning off (getting black) after 1 minute. Of course I checked the energy management configuration, but that has no effect at all.

2.Turn touchpad tapping off. I read Synaptics Touchpad - openSUSE, but the file /etc/X11/xorg.conf does not exist, but only /etc/X11/xorg.conf.install (or is it the same?). Also, there is no section with "driver synaptics" in it. Its content is

[Code]....

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Jan 28, 2010

When i start the install of the open suse linux 11.2 load the kernel but later my display is in black, i think that is my graphic card becouse in other linux only load linux without graphic mode, what i have to do for install open suse?, i can download a driver with the installer or something like?

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