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Old 11-24-2009, 10:58 AM   #1
USNA1997
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No monitor input during boot, unable to enter text mode from X window


Greetings-

I am having an issue with my Linux setup, and I was wondering if anyone has seen this problem before and had a solution for it.

I installed Fedora 11 on my system (see below) using the i686 DVD. The graphical install worked just fine, and after the system booted back up, the X server was working very well.

There is no boot text. On the other system with Fedora 11, I can see the boot text scroll by in the window and/or a progress bar at the bottom of the monitor during the boot sequence. On this system, the monitor says "No Input", and nothing appears until the login prompt for the X window. Please note that I am able to enter the BIOS configuration page and navigate through it without any issues. I can also edit the grub commands before Fedora loads without a problem.

If I boot in text mode, no login prompt appears. If I wait long enough, the monitor enters the power save mode since it is not receiving a signal. I am able to log in to the system with my user name and password, and then start the X server. Once the server starts, the monitor turns back ON and all is well.

From the X window, I use the CTL+ALT+F2 key to enter text mode. The monitor stops responding. If I press the ENTER key a couple of times, then press ALT+F7, I can briefly see the text window with a couple of login prompts before the X window starts responding again.

How can I get the text mode to work? Why is there no input to the monitor when booting?

System:
Intel D945GSEJT motherboard with Intel Atom N270 processor
2GB RAM
120GB SATA Hard Drive
Fedora 11 i686
 
Old 11-24-2009, 12:29 PM   #2
business_kid
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I had similar issues (not the same, but similar) in the past.

Apparently there are a few basic modes which (nearly)all cards have, so they can set mode x and know that you'll be able to see it on any pc The usual one is 640x480@60Hz

Try a boot line with vga=ask Then research the modes, and choose one that your screen will do
 
Old 11-24-2009, 02:25 PM   #3
USNA1997
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I've been trying this, but with no luck.

In the X window, I opened the Display Preferences window:
- There are 2 monitors listed: Unknown and Laptop
- On the monitor, upper-left corner, is a square marked UNKNOWN
- I do not have any other monitors connected to the system

Where can I find out more about this "Laptop" monitor that Fedora claims that I have connected?

How can I delete this monitor?

Thanks.
 
Old 11-24-2009, 03:54 PM   #4
USNA1997
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I tried adding the command "nomodeset" at the grub window and was able to see the text windows. Now I need to know how to know what the video mode is and how to add the correct command so that I don't have to manually type it at the grub window at every startup.

Thanks.
 
Old 11-25-2009, 04:09 AM   #5
business_kid
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Once you figure out what you want you can set 'vga=891' or the like on your boot line, and it goes from there.
Try a search for similar threads when you are posting. There's the numbers.

http://www.linuxquestions.org/questi...-modes-152575/
 
  


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