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Old 08-29-2004, 08:14 PM   #1
Creeps
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Unhappy when linux finishes booting up it goes straight to a blank screen.


after i installed linux it always comes to a blank screen. its scrambles before the blank screen like its changing refresh rates. i've tried various vga=### modes, aswell as xvrefresh=60, screen=800x600, fb=#x# and none helped. i also thought that the monitor may not be good enough so i tried a higher end lcd display and it did not help.

im using the lilo loader dual booted with xp using the linux boot loader on the MBR which works fine on both OS's until the end of the linux boot where it goes to a blank screen. winxp pro boots fine my version of linux is Red Hat 9.

my system is 2800+ athlon
512M Ram
geforce FX 5600 256Mb

i've included everything i can think of...if you need more info to help me out just ask and i will provide it if i can.
 
Old 08-29-2004, 08:20 PM   #2
Tinkster
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Hi, and welcome to LQ!

To determine what actually causes X to fail have a look
at /var/log/XFree86.0.log


Cheers,
Tink
 
Old 08-29-2004, 08:25 PM   #3
Creeps
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im very new to linux so i have absolutely no idea how to check that.
 
Old 08-29-2004, 08:29 PM   #4
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login as a user with read-permissions on /var/log
(root is a safe bet) and do
less /var/log/XFree86.0.log

In less you can use the cursor keys to scroll
up and down, the 'q'-key will exit less.


Cheers,
Tink
 
Old 08-29-2004, 08:32 PM   #5
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Hit ctrl-alt-f2 and log in at the terminal window
then
less var/log/XFree86.0.log to view the log. "q" will quit out of the file.

You are on Red Hat, so try running
redhat-config xfree86 at the command line. It will load a gui based tool to configure X windows with.

The file that tool will write is /etc/X11/XF86Config in case you want to check it out.

The problem could be X, or it could be your display manager. So take these steps..

1. In your home directory, rm .Xauthority
then type switchdesk kde or gnome You were probably coming up in the default gnome, so I would try switchdesk kde
Then
type killall X
then type
startx and see if that works.

If it still bombs, then try that redhat-config xfree86 command.
 
Old 08-29-2004, 08:33 PM   #6
Creeps
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i cant get into redhat at all so can i do that from the lilo screen? also im extremely newb to linux so i have no idea whats going on...step by step instructions would be very helpful.
 
Old 08-29-2004, 08:35 PM   #7
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Hmm U sure you dont have any of the other available 6 terminals? Did you try control-alt-f2 or f3 or etc?
 
Old 08-29-2004, 08:47 PM   #8
gaviidae
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I can tell you how to do it but if your "blank screen" isn't the GUI, meaning it won't even show you a login prompt or anything you type, I dunno...
When I went to Mandrake 10, my X server showed me squiggly colored lines. I couldn't figure out why. But there are many different screens in Linux (woohoo!) so I found out that if you type (all three buttons at once) CTRL and ALT and one of the F buttons (F7 is the default for the current X window so don't use F7, you're already there). So, type something like, the Control button, Alt, and F2. You should go to a black screen, with a login prompt that says something like [yourname@localhost]$
This is where you type in the login name you set when you installed, then type the password you set up when you installed. Now you are logged in as the little you :)
I hope you set up a password for root, or the superuser, cause I found that root can read the var log, not little you. So then type su
and the password you set for root. Now type cd /var/log
then type ls
this will list everything in the log folder. You need to do this because what Tinkster told you is right, but some people have Xfree86, some have other versions. Some have a number 4 in them. Look for whatever looks like XFree something. So then type vi XFree86.0.log
or whatever its name was. Now you're in the vi editor, and you can scroll up and down with the arrow buttons. From here, Tink will have to tell you what to look for, because it's pages and pages and I haven't found anything related to my problem (which goes away without fail if I CTRL+ALT+Fnumber then CTRL+ALT+F7 which brings me back to the graphical window, looking beautiful.).
To get out of vi without changing anything (don't press the letter i unless you want to type in there and change stuff! ) type :q!
The ! tells it you really don't want to save any changes you may have accidentally made :)
So go into your other window with ctrl alt fwhatever, get into the var/log and then go from there. Like I said, if you can't even see what you're typing in the other windows then the problem isn't X but the monitor or something.
You probably know some of this but I hope this helps someone somewhere, it inflates my ego >:)
gaviidae
 
Old 08-29-2004, 08:48 PM   #9
Creeps
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i tried using ctrl-alt-f2 and it caused a blinking cursor to appear in the corner which i could do nothing with and it displayed an apm busy message when i tried to power down. nothing else happened.
 
Old 08-29-2004, 08:53 PM   #10
gaviidae
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O man looks like everyone added good stuff while I was typing.
Tell us what exactly you see when the machine says it's all done installing. Is it really completely blank??? How are you changing the vga levels etc once you're in the blank screen?
gaviidae
 
Old 08-29-2004, 08:57 PM   #11
gaviidae
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Damn if you could get into a command window you could probably look at the processes. I wonder if it starts running some unending loop, maybe in the apm, and hanging
can you type anything anywhere???
ps is a command that shows stuff that's going on. Sometimes you can find stuff just sitting there looping and getting stuck. Or when you reinstall try saying No APM?? and use apci instead?
gaviidae
 
Old 08-29-2004, 09:00 PM   #12
Creeps
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i tried all the ctrl, alt , f#'s but none worked. except f1 which showed the boot-up process which was halted at firstboot and did not have a green ok across from it. when i hit f7 it flickers quickly and goes back to being blank. i was ably to see letters before it completely flickered away though so i think it has booted up properly.

i've tried reinstalling about 5 times so a clean install hasn't helped any.
 
Old 08-29-2004, 09:02 PM   #13
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the only place i can type is from the bootloader, and from ctrl-alt-f1 but f1 doesnt seem to be able to preform any functions at all.
 
Old 08-29-2004, 09:04 PM   #14
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Quote:
Originally posted by Creeps
i tried using ctrl-alt-f2 and it caused a blinking cursor to appear in the corner which i could do nothing with and it displayed an apm busy message when i tried to power down. nothing else happened.
Try other F-Keys, too ... if none of them work,
try passing "single" as a parameter to the kernel
on your boot-loaders prompt.


Cheers,
Tink
 
Old 08-29-2004, 09:19 PM   #15
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i run the single command and it brings me to a command line about half-way through the boot up but all the commands that i run tell me that the file or directory doesnt not exist.

less var/log/xFree86.0.log
rm .Xauthority
do not work
 
  


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