Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-18 Thread Thomas Johnston
So I following Richard's advice, I decided to replace the one
component I could easily do: I borrowed a VGA cable from a neighbor
and the monitor works! I was surprised. My old cable doesn't look
crimped or damaged in any way, but whatever... it's a cheap fix.
Actually, I sort of have mixed feelings about it. I had started to do
some monitor shopping online and I was thinking, Christmas isn't that
far away :)

Thanks to all,

Thomas





On Fri, Sep 17, 2010 at 1:49 PM, Bill Kendrick  wrote:
>
> FYI, we look to be having an Installfest next Saturday (9/25). ;)
> http://www.lugod.org/if/
>
> On Fri, Sep 17, 2010 at 09:39:25AM -0700, Thomas Johnston wrote:
>> The reason i would doubt that it is the graphics card in my laptop is
>> that I cannot get an image to project to the external monitor even
>> when I connect it to a different computer.
> 
>> However, it no longer detects the monitor connected to the VGA port. 
>> Curious
>
> -bill!
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Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-17 Thread Bill Kendrick

FYI, we look to be having an Installfest next Saturday (9/25). ;)
http://www.lugod.org/if/

On Fri, Sep 17, 2010 at 09:39:25AM -0700, Thomas Johnston wrote:
> The reason i would doubt that it is the graphics card in my laptop is
> that I cannot get an image to project to the external monitor even
> when I connect it to a different computer.

> However, it no longer detects the monitor connected to the VGA port. 
> Curious

-bill!
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Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-17 Thread Thomas Johnston
The reason i would doubt that it is the graphics card in my laptop is
that I cannot get an image to project to the external monitor even
when I connect it to a different computer.  A few days ago I was able
to use the monitor with either laptop, now I cannot get an image to
project to the monitor from either laptop. It would seem unlikely to
me that both laptops have failed graphics cards.

However, I did the sequence of commands that you suggested. The
Xorg.0.log file no longer shows the warning message I mentioned
before:
(WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display device CRT-0

However, it no longer detects the monitor connected to the VGA port. Curious









# Xorg.conf

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 256.53  (buildmeis...@builder97.nvidia.com)
 Fri Aug 27 20:55:22 PDT 2010


Section "ServerLayout"
Identifier "Layout0"
Screen  0  "Screen0" 0 0
InputDevice"Keyboard0" "CoreKeyboard"
InputDevice"Mouse0" "CorePointer"
EndSection

Section "Module"
Load   "glx"
EndSection

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName  "Unknown"
HorizSync   28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
EndSection

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor"Monitor0"
DefaultDepth24
Option "NoLogo" "True"
Option "AddARGBGLXVisuals" "True"
SubSection "Display"
Depth   24
EndSubSection
EndSection



# Xorg.0.log

X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-27-server x86_64 Ubuntu
Current Operating System: Linux Vostro15 2.6.32-24-generic #42-Ubuntu
SMP Fri Aug 20 14:21:58 UTC 2010 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic
root=UUID=1c88cd40-8cde-48d7-94b1-1cbba1ea1f59 ro quiet splash
Build Date: 21 July 2010  01:03:39PM
xorg-server 2:1.7.6-2ubuntu7.3 (For technical support please see
http://www.ubuntu.com/support)
Current version of pixman: 0.16.4
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Fri Sep 17 09:15:02 2010
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/usr/lib/X11/xorg.conf.d"
(==) ServerLayout "Layout0"
(**) |-->Screen "Screen0" (0)
(**) |   |-->Monitor "Monitor0"
(**) |   |-->Device "Device0"
(**) |-->Input Device "Keyboard0"
(**) |-->Input Device "Mouse0"
(==) Automatically adding devices
(==) Automatically enabling devices
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
Entry deleted from font path.
(==) FontPath set to:
/usr/share/fonts/X11/misc,
/usr/share/fonts/X11/100dpi/:unscaled,
/usr/share/fonts/X11/75dpi/:unscaled,
/usr/share/fonts/X11/Type1,
/usr/share/fonts/X11/100dpi,
/usr/share/fonts/X11/75dpi,
/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
built-ins
(==) ModulePath set to "/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
(WW) AllowEmptyInput is on, devices using drivers 'kbd', 'mouse' or
'vmmouse' will be disabled.
(WW) Disabling Keyboard0
(WW) Disabling Mouse0
(II) Loader magic: 0x7ca300
(II) Module ABI versions:
X.Org ANSI C Emulation: 0.4
X.Org Video Driver: 6.0
X.Org XInput driver : 7.0
X.Org Server Extension : 2.0
(++) using VT number 7

(--) PCI:*(0:1:0:0) 10de:0407:1028:0228 nVidia Corporation G84
[GeForce 8600M GT] rev 161, Mem @ 0xfd00/16777216,
0xe000/268435456, 0xfa00/33554432, I/O @ 0xdf00/128, BIOS
@ 0x/131072
(II) Open ACPI successful (/var/run/acpid.socket)
(II) "extmod" will be load

Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-17 Thread Thomas Turner
make sure once you open terminal type sudo -s
then press Enter
type password
Thenn press Enter
then copy paste below:

sudo nvidia-xconfig --add-argb-glx-visuals -d 24

restart computer

On Fri, Sep 17, 2010 at 8:51 AM, Jeff Newmiller wrote:

> No, the video card is in the computer, generating the image. If you see the
> monitor logo, then the problem is likely that no usable signal is arriving
> at the monitor.
>
> "Thomas Johnston"  wrote:
>
> >Thanks Richard and Jeff. Just to make sure I understand, you think the
> >video card inside the external monitor has failed?
> >
> >
> >
> >
> >
> >On Fri, Sep 17, 2010 at 7:27 AM, Jeff Newmiller
> > wrote:
> >> This sounds more like the video card, though it could be the video
> connector or cable.
> >>
> >> "Richard Harke"  wrote:
> >>
> >>>In recent years I have noticed that video cards die distressingly soon.
> >>>Often with
> >>>strange symptoms that make it appear to be something more basic. I do
> have
> >>>to admit
> >>>that the most recen time (about two weeks ago) it was in fact the
> monitor.
> >>>That was an
> >>>HP 22" LCD monitor only 5 years old. My previous monitor was a Sony CRT
> that
> >>>went back
> >>>to the early 90's.
> >>>
> >>>I can only suugest that you try swapping out starting with whatever you
> can
> >>>do cheaply.
> >>>Especially if you can borrow a component for testing.
> >>>
> >>>I do have an extra video card but I'm not in Davis so you'd have to wait
> >>>till
> >>>the regular Lugod meeting.
> >>>
> >>>Richard
> >>>
> >>>
> >>>On Thu, Sep 16, 2010 at 5:13 PM, Thomas Johnston <
> trjohns...@ucdavis.edu>wrote:
> >>>
>  I am running Kubuntu 10.04 (64 bit) on my Dell Vostro 1500 and using
>  an Acer AL2216W as a second monitor. Everything was working great
>  until last Monday morning. I powered up the computer, activated the
>  external monitor and the max resolution was 1280x1024 (the native
>  resolution is 1680x1050 - same as my laptop display). I didn't do
>  anything to modify any video settings so I don't know exactly what
>  prompted the change; however, there were about 10 "bug fixes" the day
>  before. Looking at the history of fixes I don't see anything that
>  looks likely to cause a problem, but I am certainly not a Linux
>  expert.
> 
>  Anyway, I have spent the last 4 days doing everything I can to make it
>  work again: updated drivers, uninstalled/reinstalled drivers, deleting
>  the xorg.conf file and having one auto generated, manually editing the
>  xorg.conf  nothing has worked. In fact, the situation is now
>  worse. I can't even get the monitor to display anything anymore - just
>  a black screen. I think the monitor itself is fine, if I turn it on I
>  see the "ACER" logo appear, then I briefly see a dialog box that says
>  "no signal", and then it goes blank. I don't have a great
>  understanding of the xorg.conf file, but I was very careful when
>  editing it. I read all of the NVIDIA documentation online and I found
>  examples of xorg.conf files online from people with this same monitor
>  who claimed to have it working, so I don't think I used a refresh/sync
>  rate beyond what the monitor is capable of (I didn't smell any
>  smoke!).  My Google searches have indicated that many people have had
>  problems reading EDID data from this monitor. I have even plugged it
>  into a Windows machine with an ATI graphics card and same
>  thing...blank screen.
> 
>  I checked the /var/log/Xorg.0.log file and I see this warning:
>  (WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display
> device
>  CRT-0
> 
>  there are no errors (EE) generated.
> 
>  Other system details in case it is relevant:
>  The monitor is connected to my graphics card via the VGA port (my
>  laptop doesn't have any other display ports; however the monitor does
>  have a DVI-D connection)
>  NVIDIA Driver Version: 256.53
>  Server Version: 1.7.6
>  NV-CONTROL Version: 1.23
>  Graphics Card: GeForce 8600M GT
> 
> 
>  My question is: do you think the monitor is toast or would work again
>  if I could get a working EDID.bin and/or xorg.conf file (perhaps from
>  kind soul on the interwebs)?
> 
> 
>  thanks in advance,
> 
>  Thomas
>  ___
>  vox-tech mailing list
>  vox-tech@lists.lugod.org
>  http://lists.lugod.org/mailman/listinfo/vox-tech
> 
> >>>___
> >>>vox-tech mailing list
> >>>vox-tech@lists.lugod.org
> >>>http://lists.lugod.org/mailman/listinfo/vox-tech
> >>
> >>
> ---
> >> Jeff NewmillerThe .   .  Go
> Live...
> >> DCN:Basics: ##.#.   ##.#.  Live
> Go...
> >>

Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-17 Thread Jeff Newmiller
No, the video card is in the computer, generating the image. If you see the 
monitor logo, then the problem is likely that no usable signal is arriving at 
the monitor.

"Thomas Johnston"  wrote:

>Thanks Richard and Jeff. Just to make sure I understand, you think the
>video card inside the external monitor has failed?
>
>
>
>
>
>On Fri, Sep 17, 2010 at 7:27 AM, Jeff Newmiller
> wrote:
>> This sounds more like the video card, though it could be the video connector 
>> or cable.
>>
>> "Richard Harke"  wrote:
>>
>>>In recent years I have noticed that video cards die distressingly soon.
>>>Often with
>>>strange symptoms that make it appear to be something more basic. I do have
>>>to admit
>>>that the most recen time (about two weeks ago) it was in fact the monitor.
>>>That was an
>>>HP 22" LCD monitor only 5 years old. My previous monitor was a Sony CRT that
>>>went back
>>>to the early 90's.
>>>
>>>I can only suugest that you try swapping out starting with whatever you can
>>>do cheaply.
>>>Especially if you can borrow a component for testing.
>>>
>>>I do have an extra video card but I'm not in Davis so you'd have to wait
>>>till
>>>the regular Lugod meeting.
>>>
>>>Richard
>>>
>>>
>>>On Thu, Sep 16, 2010 at 5:13 PM, Thomas Johnston 
>>>wrote:
>>>
 I am running Kubuntu 10.04 (64 bit) on my Dell Vostro 1500 and using
 an Acer AL2216W as a second monitor. Everything was working great
 until last Monday morning. I powered up the computer, activated the
 external monitor and the max resolution was 1280x1024 (the native
 resolution is 1680x1050 - same as my laptop display). I didn't do
 anything to modify any video settings so I don't know exactly what
 prompted the change; however, there were about 10 "bug fixes" the day
 before. Looking at the history of fixes I don't see anything that
 looks likely to cause a problem, but I am certainly not a Linux
 expert.

 Anyway, I have spent the last 4 days doing everything I can to make it
 work again: updated drivers, uninstalled/reinstalled drivers, deleting
 the xorg.conf file and having one auto generated, manually editing the
 xorg.conf  nothing has worked. In fact, the situation is now
 worse. I can't even get the monitor to display anything anymore - just
 a black screen. I think the monitor itself is fine, if I turn it on I
 see the "ACER" logo appear, then I briefly see a dialog box that says
 "no signal", and then it goes blank. I don't have a great
 understanding of the xorg.conf file, but I was very careful when
 editing it. I read all of the NVIDIA documentation online and I found
 examples of xorg.conf files online from people with this same monitor
 who claimed to have it working, so I don't think I used a refresh/sync
 rate beyond what the monitor is capable of (I didn't smell any
 smoke!).  My Google searches have indicated that many people have had
 problems reading EDID data from this monitor. I have even plugged it
 into a Windows machine with an ATI graphics card and same
 thing...blank screen.

 I checked the /var/log/Xorg.0.log file and I see this warning:
 (WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display device
 CRT-0

 there are no errors (EE) generated.

 Other system details in case it is relevant:
 The monitor is connected to my graphics card via the VGA port (my
 laptop doesn't have any other display ports; however the monitor does
 have a DVI-D connection)
 NVIDIA Driver Version: 256.53
 Server Version: 1.7.6
 NV-CONTROL Version: 1.23
 Graphics Card: GeForce 8600M GT


 My question is: do you think the monitor is toast or would work again
 if I could get a working EDID.bin and/or xorg.conf file (perhaps from
 kind soul on the interwebs)?


 thanks in advance,

 Thomas
 ___
 vox-tech mailing list
 vox-tech@lists.lugod.org
 http://lists.lugod.org/mailman/listinfo/vox-tech

>>>___
>>>vox-tech mailing list
>>>vox-tech@lists.lugod.org
>>>http://lists.lugod.org/mailman/listinfo/vox-tech
>>
>> ---
>> Jeff Newmiller                        The     .       .  Go Live...
>> DCN:        Basics: ##.#.       ##.#.  Live Go...
>>                                      Live:   OO#.. Dead: OO#..  Playing
>> Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
>> /Software/Embedded Controllers)               .OO#.       .OO#.  rocks...1k
>> ---
>> Sent from my phone. Please excuse my brevity.
>> ___
>> vox-tech mailing list
>> vox-tech@lists.lugod.org
>> http://lists.lugod.org/mailman/listinfo/vox-tech
>>
>_

Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-17 Thread Thomas Johnston
Thanks Richard and Jeff. Just to make sure I understand, you think the
video card inside the external monitor has failed?





On Fri, Sep 17, 2010 at 7:27 AM, Jeff Newmiller
 wrote:
> This sounds more like the video card, though it could be the video connector 
> or cable.
>
> "Richard Harke"  wrote:
>
>>In recent years I have noticed that video cards die distressingly soon.
>>Often with
>>strange symptoms that make it appear to be something more basic. I do have
>>to admit
>>that the most recen time (about two weeks ago) it was in fact the monitor.
>>That was an
>>HP 22" LCD monitor only 5 years old. My previous monitor was a Sony CRT that
>>went back
>>to the early 90's.
>>
>>I can only suugest that you try swapping out starting with whatever you can
>>do cheaply.
>>Especially if you can borrow a component for testing.
>>
>>I do have an extra video card but I'm not in Davis so you'd have to wait
>>till
>>the regular Lugod meeting.
>>
>>Richard
>>
>>
>>On Thu, Sep 16, 2010 at 5:13 PM, Thomas Johnston 
>>wrote:
>>
>>> I am running Kubuntu 10.04 (64 bit) on my Dell Vostro 1500 and using
>>> an Acer AL2216W as a second monitor. Everything was working great
>>> until last Monday morning. I powered up the computer, activated the
>>> external monitor and the max resolution was 1280x1024 (the native
>>> resolution is 1680x1050 - same as my laptop display). I didn't do
>>> anything to modify any video settings so I don't know exactly what
>>> prompted the change; however, there were about 10 "bug fixes" the day
>>> before. Looking at the history of fixes I don't see anything that
>>> looks likely to cause a problem, but I am certainly not a Linux
>>> expert.
>>>
>>> Anyway, I have spent the last 4 days doing everything I can to make it
>>> work again: updated drivers, uninstalled/reinstalled drivers, deleting
>>> the xorg.conf file and having one auto generated, manually editing the
>>> xorg.conf  nothing has worked. In fact, the situation is now
>>> worse. I can't even get the monitor to display anything anymore - just
>>> a black screen. I think the monitor itself is fine, if I turn it on I
>>> see the "ACER" logo appear, then I briefly see a dialog box that says
>>> "no signal", and then it goes blank. I don't have a great
>>> understanding of the xorg.conf file, but I was very careful when
>>> editing it. I read all of the NVIDIA documentation online and I found
>>> examples of xorg.conf files online from people with this same monitor
>>> who claimed to have it working, so I don't think I used a refresh/sync
>>> rate beyond what the monitor is capable of (I didn't smell any
>>> smoke!).  My Google searches have indicated that many people have had
>>> problems reading EDID data from this monitor. I have even plugged it
>>> into a Windows machine with an ATI graphics card and same
>>> thing...blank screen.
>>>
>>> I checked the /var/log/Xorg.0.log file and I see this warning:
>>> (WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display device
>>> CRT-0
>>>
>>> there are no errors (EE) generated.
>>>
>>> Other system details in case it is relevant:
>>> The monitor is connected to my graphics card via the VGA port (my
>>> laptop doesn't have any other display ports; however the monitor does
>>> have a DVI-D connection)
>>> NVIDIA Driver Version: 256.53
>>> Server Version: 1.7.6
>>> NV-CONTROL Version: 1.23
>>> Graphics Card: GeForce 8600M GT
>>>
>>>
>>> My question is: do you think the monitor is toast or would work again
>>> if I could get a working EDID.bin and/or xorg.conf file (perhaps from
>>> kind soul on the interwebs)?
>>>
>>>
>>> thanks in advance,
>>>
>>> Thomas
>>> ___
>>> vox-tech mailing list
>>> vox-tech@lists.lugod.org
>>> http://lists.lugod.org/mailman/listinfo/vox-tech
>>>
>>___
>>vox-tech mailing list
>>vox-tech@lists.lugod.org
>>http://lists.lugod.org/mailman/listinfo/vox-tech
>
> ---
> Jeff Newmiller                        The     .       .  Go Live...
> DCN:        Basics: ##.#.       ##.#.  Live Go...
>                                      Live:   OO#.. Dead: OO#..  Playing
> Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
> /Software/Embedded Controllers)               .OO#.       .OO#.  rocks...1k
> ---
> Sent from my phone. Please excuse my brevity.
> ___
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> vox-tech@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech
>
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Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-17 Thread Jeff Newmiller
This sounds more like the video card, though it could be the video connector or 
cable.

"Richard Harke"  wrote:

>In recent years I have noticed that video cards die distressingly soon.
>Often with
>strange symptoms that make it appear to be something more basic. I do have
>to admit
>that the most recen time (about two weeks ago) it was in fact the monitor.
>That was an
>HP 22" LCD monitor only 5 years old. My previous monitor was a Sony CRT that
>went back
>to the early 90's.
>
>I can only suugest that you try swapping out starting with whatever you can
>do cheaply.
>Especially if you can borrow a component for testing.
>
>I do have an extra video card but I'm not in Davis so you'd have to wait
>till
>the regular Lugod meeting.
>
>Richard
>
>
>On Thu, Sep 16, 2010 at 5:13 PM, Thomas Johnston wrote:
>
>> I am running Kubuntu 10.04 (64 bit) on my Dell Vostro 1500 and using
>> an Acer AL2216W as a second monitor. Everything was working great
>> until last Monday morning. I powered up the computer, activated the
>> external monitor and the max resolution was 1280x1024 (the native
>> resolution is 1680x1050 - same as my laptop display). I didn't do
>> anything to modify any video settings so I don't know exactly what
>> prompted the change; however, there were about 10 "bug fixes" the day
>> before. Looking at the history of fixes I don't see anything that
>> looks likely to cause a problem, but I am certainly not a Linux
>> expert.
>>
>> Anyway, I have spent the last 4 days doing everything I can to make it
>> work again: updated drivers, uninstalled/reinstalled drivers, deleting
>> the xorg.conf file and having one auto generated, manually editing the
>> xorg.conf  nothing has worked. In fact, the situation is now
>> worse. I can't even get the monitor to display anything anymore - just
>> a black screen. I think the monitor itself is fine, if I turn it on I
>> see the "ACER" logo appear, then I briefly see a dialog box that says
>> "no signal", and then it goes blank. I don't have a great
>> understanding of the xorg.conf file, but I was very careful when
>> editing it. I read all of the NVIDIA documentation online and I found
>> examples of xorg.conf files online from people with this same monitor
>> who claimed to have it working, so I don't think I used a refresh/sync
>> rate beyond what the monitor is capable of (I didn't smell any
>> smoke!).  My Google searches have indicated that many people have had
>> problems reading EDID data from this monitor. I have even plugged it
>> into a Windows machine with an ATI graphics card and same
>> thing...blank screen.
>>
>> I checked the /var/log/Xorg.0.log file and I see this warning:
>> (WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display device
>> CRT-0
>>
>> there are no errors (EE) generated.
>>
>> Other system details in case it is relevant:
>> The monitor is connected to my graphics card via the VGA port (my
>> laptop doesn't have any other display ports; however the monitor does
>> have a DVI-D connection)
>> NVIDIA Driver Version: 256.53
>> Server Version: 1.7.6
>> NV-CONTROL Version: 1.23
>> Graphics Card: GeForce 8600M GT
>>
>>
>> My question is: do you think the monitor is toast or would work again
>> if I could get a working EDID.bin and/or xorg.conf file (perhaps from
>> kind soul on the interwebs)?
>>
>>
>> thanks in advance,
>>
>> Thomas
>> ___
>> vox-tech mailing list
>> vox-tech@lists.lugod.org
>> http://lists.lugod.org/mailman/listinfo/vox-tech
>>
>___
>vox-tech mailing list
>vox-tech@lists.lugod.org
>http://lists.lugod.org/mailman/listinfo/vox-tech

---
Jeff NewmillerThe .   .  Go Live...
DCN:Basics: ##.#.   ##.#.  Live Go...
  Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/BatteriesO.O#.   #.O#.  with
/Software/Embedded Controllers)   .OO#.   .OO#.  rocks...1k
---
Sent from my phone. Please excuse my brevity.
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Re: [vox-tech] Acer AL2216W (blank screen)

2010-09-16 Thread Richard Harke
In recent years I have noticed that video cards die distressingly soon.
Often with
strange symptoms that make it appear to be something more basic. I do have
to admit
that the most recen time (about two weeks ago) it was in fact the monitor.
That was an
HP 22" LCD monitor only 5 years old. My previous monitor was a Sony CRT that
went back
to the early 90's.

I can only suugest that you try swapping out starting with whatever you can
do cheaply.
Especially if you can borrow a component for testing.

I do have an extra video card but I'm not in Davis so you'd have to wait
till
the regular Lugod meeting.

Richard


On Thu, Sep 16, 2010 at 5:13 PM, Thomas Johnston wrote:

> I am running Kubuntu 10.04 (64 bit) on my Dell Vostro 1500 and using
> an Acer AL2216W as a second monitor. Everything was working great
> until last Monday morning. I powered up the computer, activated the
> external monitor and the max resolution was 1280x1024 (the native
> resolution is 1680x1050 - same as my laptop display). I didn't do
> anything to modify any video settings so I don't know exactly what
> prompted the change; however, there were about 10 "bug fixes" the day
> before. Looking at the history of fixes I don't see anything that
> looks likely to cause a problem, but I am certainly not a Linux
> expert.
>
> Anyway, I have spent the last 4 days doing everything I can to make it
> work again: updated drivers, uninstalled/reinstalled drivers, deleting
> the xorg.conf file and having one auto generated, manually editing the
> xorg.conf  nothing has worked. In fact, the situation is now
> worse. I can't even get the monitor to display anything anymore - just
> a black screen. I think the monitor itself is fine, if I turn it on I
> see the "ACER" logo appear, then I briefly see a dialog box that says
> "no signal", and then it goes blank. I don't have a great
> understanding of the xorg.conf file, but I was very careful when
> editing it. I read all of the NVIDIA documentation online and I found
> examples of xorg.conf files online from people with this same monitor
> who claimed to have it working, so I don't think I used a refresh/sync
> rate beyond what the monitor is capable of (I didn't smell any
> smoke!).  My Google searches have indicated that many people have had
> problems reading EDID data from this monitor. I have even plugged it
> into a Windows machine with an ATI graphics card and same
> thing...blank screen.
>
> I checked the /var/log/Xorg.0.log file and I see this warning:
> (WW) Sep 16 15:07:43 NVIDIA(GPU-0): Unable to read EDID for display device
> CRT-0
>
> there are no errors (EE) generated.
>
> Other system details in case it is relevant:
> The monitor is connected to my graphics card via the VGA port (my
> laptop doesn't have any other display ports; however the monitor does
> have a DVI-D connection)
> NVIDIA Driver Version: 256.53
> Server Version: 1.7.6
> NV-CONTROL Version: 1.23
> Graphics Card: GeForce 8600M GT
>
>
> My question is: do you think the monitor is toast or would work again
> if I could get a working EDID.bin and/or xorg.conf file (perhaps from
> kind soul on the interwebs)?
>
>
> thanks in advance,
>
> Thomas
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