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I just installed Debian stable on my desktop computer and when I start it up I get a blank screen that says cannot display video in this mode. How can ...
  1. 03-14-2010 #1
    mhurst14
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    Cannot Display Video In this Mode



    I just installed Debian stable on my desktop computer and when I start it up I get a blank screen that says cannot display video in this mode. How can I fix this problem?
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  2. 03-15-2010 #2
    devils casper
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    Hi and Welcome !

    Display is not configured correctly. Which Graphics Card do you have? Press Alt+Ctrl+F3. Does it switch to command line mode?
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  3. 03-15-2010 #3
    mhurst14
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    I have a ATI Radeon 4350 HD video card. I can switch to the command line.
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  4. 03-15-2010 #4
    devils casper
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    You have to install ATI Proprietary driver. First of all, try Generic Driver to load GUI correctly.
    Press Alt+Ctrl+F3, login there and execute this
    Code:
    su -
dpkg-reconfigure xserver-xorg
    Reconfigure display settings and execute shutdown -r now to reboot machine.
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  5. 03-15-2010 #5
    mhurst14
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    when I type in that code I just get keyboard settings nothing to do with the video card.
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  6. 03-15-2010 #6
    devils casper
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    Check the contents of /etc/X11/xorg.conf file. Is there Section Video Device configure or its an empty file?
    Code:
    less /etc/X11/xorg.conf
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  7. 03-15-2010 #7
    mhurst14
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    There is a section that says configured video device
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  8. 03-15-2010 #8
    devils casper
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    Alright. Edit xorg.conf file and set Driver "vesa" in that section. Save file and reboot machine.
    Code:
    su -
nano /etc/X11/xorg.conf
    Code:
    Section Device
Identifier "Configured Video Card"
Driver "vesa"
EndSection
    Press Ctrl+X, Y and hit Enter key to save file. You can use any other editor instead of nano.

    Reboot machine.
    Code:
    shutdown -r now
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  9. 03-15-2010 #9
    mhurst14
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    After I did that I still get the same error.
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  10. 03-15-2010 #10
    devils casper
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    Replace xorg.conf file with this :
    Code:
    Section "Device"
	Identifier	"Configured Video Device"
	Driver		"vesa"
EndSection

Section "Monitor"
	Identifier	"Generic Monitor"
	Option		"DPMS"
	HorizSync	30-71
	VertRefresh	50-160
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"Configured Video Device"
	Monitor		"Generic Monitor"
	DefaultDepth	24
	SubSection "Display"
		Depth		24
		Modes		"1280x1024" "1024x768" 
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Generic Keyboard"
	InputDevice	"Generic Mouse"
EndSection
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