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Old 11-11-2003, 06:21 PM   #1
preetam
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Post red hat linux 9 half screen


i have red hat 9 .i installed it before 2 months.that time i could see full screen X display.but now from last 2 weeks , it is half screen and at center, when i tried to reinstall it, it came up with message saying unprobed monitor.....but it was working before any suggestions...i have dell inspiron 1100 laptop...thanx.
 
Old 11-12-2003, 02:45 AM   #2
dolvmin
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There is a file in Linux that was modified by something. The file or files would be located in this directory. "/etc/X11/"

What's happening here is Linux does not know what Monitor you have. Since information about the monitor was changed or deleted, it is asuming the monitor was not probed (searched for). As a result, it is giving you that error.
 
Old 11-13-2003, 02:02 AM   #3
preetam
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Unhappy thanx for replying but how can i solve this problem

thanx for replying but how can i solve this problem. how can i solve it .although i am not sure that file has been modified or not , but problem remains same after fresh reinstallation.so how can i solve it .thanx
 
Old 11-14-2003, 03:23 PM   #4
dolvmin
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If you provide the reselution and refreshment specs of your monitor and copy all the information of your XF86Config file onto the forum, I'm sure either me or someone else can help resolve it for you.
 
Old 11-14-2003, 11:08 PM   #5
preetam
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Question

my XF86config file is

# XFree86 4 configuration created by redhat-config-xfree86

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
# RgbPath is the location of the RGB database. Note, this is the name of the
# file minus the extension (like ".txt" or ".db"). There is normally
# no need to change the default.

# Multiple FontPath entries are allowed (they are concatenated together)
# By default, Red Hat 6.0 and later now use a font server independent of
# the X server to render fonts.

RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "fbdevhw"
Load "glx"
Load "record"
Load "freetype"
Load "type1"
EndSection

Section "InputDevice"
# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
# Option "Xleds" "1 2 3"

# To disable the XKEYBOARD extension, uncomment XkbDisable.
# Option "XkbDisable"

# To customise the XKB settings to suit your keyboard, modify the
# lines below (which are the defaults). For example, for a non-U.S.
# keyboard, you will probably want to use:
# Option "XkbModel" "pc102"
# If you have a US Microsoft Natural keyboard, you can use:
# Option "XkbModel" "microsoft"
#
# Then to change the language, change the Layout setting.
# For example, a german layout can be obtained with:
# Option "XkbLayout" "de"
# or:
# Option "XkbLayout" "de"
# Option "XkbVariant" "nodeadkeys"
#
# If you'd like to switch the positions of your capslock and
# control keys, use:
# Option "XkbOptions" "ctrl:swapcaps"
# Or if you just want both to be control, use:
# Option "XkbOptions" "ctrl:nocaps"
#
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "PS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "no"
EndSection

Section "InputDevice"
# If the normal CorePointer mouse is not a USB mouse then
# this input device can be used in AlwaysCore mode to let you
# also use USB mice at the same time.
Identifier "DevInputMice"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "no"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Unknown monitor"
HorizSync 31.5 - 37.9
VertRefresh 50.0 - 70.0
Option "dpms"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "i810"
VendorName "Videocard vendor"
BoardName "Intel 845"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "800x600" "640x480"
EndSubSection
EndSection

Section "DRI"
Group 0
Mode 0666
EndSection

waiting for positive reply...
thanx
 
Old 11-15-2003, 03:49 AM   #6
dolvmin
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Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Unknown monitor"
HorizSync 31.5 - 37.9
VertRefresh 50.0 - 70.0
Option "dpms"



Just as I said. We need to know what monitor you got. Please provide name, spec's if possible.
 
Old 11-15-2003, 12:26 PM   #7
preetam
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monitor..dell inspiron 1100 laptop

i have dell inspiron 1100 laptop. so i can'r tell u exactly what kind of monitor it has ... and if u want to visit dell.com then my service tag is GQLQT21...thanx
 
Old 11-16-2003, 02:10 AM   #8
dolvmin
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Re: monitor..dell inspiron 1100 laptop

Quote:
Originally posted by preetam
i have dell inspiron 1100 laptop. so i can'r tell u exactly what kind of monitor it has ... and if u want to visit dell.com then my service tag is GQLQT21...thanx
Ahh, sorry about that. I'll check it out.
 
Old 11-16-2003, 04:22 PM   #9
dolvmin
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Check this sight out. This may have been the reason why this problem started. You can prevent this problem from happening again by doing what's on this link.

http://www.geocities.com/randomnumbe...dhat_9_display

Backup the file XF86Config and/or XF86Config-4.

Replace the line(s):
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Unknown monitor"
HorizSync 31.5 - 37.9
VertRefresh 50.0 - 70.0
Option "dpms"

With:
Section "Monitor"
Identifier "Primary Monitor"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 31.5-37.9
VertRefresh 50.0-70
Modeline "640x480" 28.32 640 664 760 800 480 491 493 525
Modeline "800x600" 65 800 832 936 1024 600 632 638 670 +hsync +vsync
Modeline "1024x768" 70 1024 1072 1152 1360 768 784 787 810 +hsync +vsync
Option "dpms"


NOTE: If it does not work, do not be alarmed. Just post back the results and let me know the errors you get.
 
Old 12-11-2003, 12:19 PM   #10
preetam
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that didn't work.i tried the same thing .it came up with very same message which came after installtion..fail to start x server ...it asked to reconfigure by itself which will lead to same thing .thanx .what should be my next step...
 
Old 12-12-2003, 07:48 AM   #11
dolvmin
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Quote:
Originally posted by preetam
fail to start x server ...it asked to reconfigure by itself which will lead to same thing .thanx .what should be my next step...
Replace the file you edited with the backup you made of XF86Config-4. Do not discard the backup. Keep it safe and accessable, and do not overwrite the backup with new information.

Edit the file XF86Config-4 using VI (or EDIT if the file is modified in DOS).

Scroll down untill you see the following:


Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Unknown monitor"
HorizSync 31.5 - 37.9
VertRefresh 50.0 - 70.0
Option "dpms"
EndSection


Replace this information with the following:


Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Dell 1024x768 Laptop Display Panel"
HorizSync 31.5 - 48.5
VertRefresh 59.0 - 75.0
Option "dpms"
EndSection


Then scroll down further untill you see this information:


Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "800x600" "640x480"
EndSubSection
EndSection


Again, replace this information with the following:


Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 16
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1024x768" "800x600" "640x480"
EndSubSection


In theory, this should resolve your problem because the information regarding what type of monitor you have is conflicting with invalid information. As you can see, under Section "Monitor" information regarding "Model Name" is unknown. The information posted for you is specifically set to work with Red Hat 9.0 and Dell Inspiron 1100. After applying this information, if you recieve an error, the error should be different. Please let me know what happens.
 
Old 12-12-2003, 12:03 PM   #12
preetam
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yup a error message was different this time

when i modified file as u said, and started Xserver using startx command , it came up with different error message

(EE)I810(0) : no video BIOS mades for chosen depth.
(EE) screen(s) found,but some have a usable configuration.

fatal server error
no screens found.

it is also showing what does EE mean and where we can mail to solve this XFconfiguration problem...

but when i restarted machine it came up with same error message fail to start x server
 
Old 12-12-2003, 10:55 PM   #13
dolvmin
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OK, from the research I've done, this problem appears to be a conflict with your video BIOS. From a more technical stand point, there is a conflict with how Linux handles fluctuations with the video memory because of a flaw within the i810 BIOS.

Try downloading this patch file and using it.

http://www.chzsoft.com.ar/855patch.tar.gz

It was designed for an earlier model of your Laptop with the same video BIOS. I'm not confident that it will work, but while I do some more research, it should be worth the try.
 
Old 02-09-2004, 04:57 PM   #14
preetam
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Unhappy better than before but not full screen yet

now screen is better than it was before.it has been expanded from all sides. but still it is not a full screen? what can i do next? thanx for hrlping me out
 
Old 02-09-2004, 09:21 PM   #15
dolvmin
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Go back to command line and using vi, edit the file /etc/X11/XF86Config-4.
Be sure to have a backup

Find this section again:

Code:
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Dell 1024x768 Laptop Display Panel"
HorizSync 31.5 - 48.5
VertRefresh 59.0 - 75.0
Option "dpms"
EndSection
And replace it with this:
Code:
  Section "Monitor"
  Identifier "Monitor0"
  VendorName "Monitor Vendor"
  ModelName "Dell 1024x768 Laptop Display Panel"
  HorizSync 31.5 - 48.5
  VertRefresh 59.0 - 75.0
  Option "dpms"
  ModeLine "520x390" 22.96 520 544 664 712 390 392 404 430 #75Hz
  ModeLine "528x396" 23.54 528 552 672 720 396 398 410 436 #75Hz
  ModeLine "536x402" 24.13 536 560 680 728 402 404 416 442 #75Hz
  ModeLine "544x408" 24.72 544 568 688 736 408 410 422 448 #75Hz
  ModeLine "552x414" 25.33 552 576 696 744 414 416 428 454 #75Hz
  ModeLine "560x420" 25.94 560 584 704 752 420 422 434 460 #75Hz
  ModeLine "568x426" 26.56 568 592 712 760 426 428 440 466 #75Hz
  ModeLine "576x432" 27.18 576 600 720 768 432 434 446 472 #75Hz
  ModeLine "584x438" 27.81 584 608 728 776 438 440 452 478 #75Hz
  ModeLine "592x444" 28.45 592 616 736 784 444 446 458 484 #75Hz
  ModeLine "600x450" 31.45 600 632 792 856 450 452 464 490 #75Hz
  ModeLine "608x456" 32.14 608 640 800 864 456 458 470 496 #75Hz
  ModeLine "616x462" 32.83 616 648 808 872 462 464 476 502 #75Hz
  ModeLine "624x468" 33.52 624 656 816 880 468 470 482 508 #75Hz
  ModeLine "632x474" 34.23 632 664 824 888 474 476 488 514 #75Hz
  ModeLine "640x480" 34.94 640 672 832 896 480 482 494 520 #75Hz
  ModeLine "648x486" 35.66 648 680 840 904 486 488 500 526 #75Hz
  ModeLine "656x492" 36.38 656 688 848 912 492 494 506 532 #75Hz
  ModeLine "664x498" 37.12 664 696 856 920 498 500 512 538 #75Hz
  ModeLine "672x504" 37.86 672 704 864 928 504 506 518 544 #75Hz
  ModeLine "680x510" 38.61 680 712 872 936 510 512 524 550 #75Hz
  ModeLine "688x516" 39.36 688 720 880 944 516 518 530 556 #75Hz
  ModeLine "696x522" 40.12 696 728 888 952 522 524 536 562 #75Hz
  ModeLine "704x528" 40.89 704 736 896 960 528 530 542 568 #75Hz
  ModeLine "712x534" 41.67 712 744 904 968 534 536 548 574 #75Hz
  ModeLine "720x540" 42.45 720 752 912 976 540 542 554 580 #75Hz
  ModeLine "728x546" 43.24 728 760 920 984 546 548 560 586 #75Hz
  ModeLine "736x552" 44.04 736 768 928 992 552 554 566 592 #75Hz
  ModeLine "744x558" 44.85 744 776 936 1000 558 560 572 598 #75Hz
  ModeLine "752x564" 45.66 752 784 944 1008 564 566 578 604 #75Hz
  ModeLine "760x570" 46.48 760 792 952 1016 570 572 584 610 #75Hz
  ModeLine "768x576" 47.30 768 800 960 1024 576 578 590 616 #75Hz
  ModeLine "776x582" 48.14 776 808 968 1032 582 584 596 622 #75Hz
  ModeLine "784x588" 48.98 784 816 976 1040 588 590 602 628 #75Hz
  ModeLine "792x594" 52.87 792 832 1032 1112 594 596 608 634 #75Hz
  ModeLine "800x600" 53.76 800 840 1040 1120 600 602 614 640 #75Hz
  ModeLine "808x606" 54.65 808 848 1048 1128 606 608 620 646 #75Hz
  ModeLine "816x612" 55.55 816 856 1056 1136 612 614 626 652 #75Hz
  EndSection
The Modelines are strings that provide Linux the options of your screen.
It is my guess, that by default Red Hat will use the best one, which is:
ModeLine "816x612" 55.55 816 856 1056 1136 612 614 626 652 #75Hz

When you run a program, such as Bioware's Neverwinter Nights, you will see most if not all these options.

The modelines I provide here were specifically tuned to your LCD monitor at best refresh rate. If you want or need modelines for lower refresh rates, let me know and I'll post them up. I don't see why you would though. <smiles>

Let me know what happens.
 
  


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