Monitor suddenly switched to Black & White

This morning whilst reading some emails, my monitor screen suddenly
switched to Black & White (all-in-one system, so no cables). I have no
idea why so I rebooted the PC but it made no difference. The Monitor is
ok as the Windows log-on screen was in full colour, but as soon as it
switch to displaying my desktop it was only black & white again.

I could not find any "Windows settings" that might switch from colour to
b&w, and neither could I find anything in the Display Adaptor settings.

I tried rolling back the Display Adaptor driver, and re-installing the
driver, but that did not help.

It is an all-in-one system with built in video, so there are no external
cables to "wiggle about".

I finally fixed it by doing a system restore, but I would love to know
what might have gone wrong in case it happens again.

Any ideas?

On Thu, 9 Nov 2017 11:29:43 +0000, Ted wrote:

This morning whilst reading some emails, my monitor screen suddenly
switched to Black & White (all-in-one system, so no cables). I have no
idea why so I rebooted the PC but it made no difference. The Monitor is
ok as the Windows log-on screen was in full colour, but as soon as it
switch to displaying my desktop it was only black & white again.

I could not find any "Windows settings" that might switch from colour to
b&w, and neither could I find anything in the Display Adaptor settings.

I tried rolling back the Display Adaptor driver, and re-installing the
driver, but that did not help.

It is an all-in-one system with built in video, so there are no external
cables to "wiggle about".

I finally fixed it by doing a system restore, but I would love to know
what might have gone wrong in case it happens again.

Any ideas?

Are there any options intended to improve contrast for sight impaired
users? (You said you couldn't find any settings, but maybe there's
something in the "ease of access" settings you missed). As to why it
happened, I have no idea.

Ted wrote:
This morning whilst reading some emails, my monitor screen suddenly
switched to Black & White (all-in-one system, so no cables). I have no
idea why so I rebooted the PC but it made no difference. The Monitor is
ok as the Windows log-on screen was in full colour, but as soon as it
switch to displaying my desktop it was only black & white again.

I could not find any "Windows settings" that might switch from colour to
b&w, and neither could I find anything in the Display Adaptor settings.

I tried rolling back the Display Adaptor driver, and re-installing the
driver, but that did not help.

It is an all-in-one system with built in video, so there are no external
cables to "wiggle about".

I finally fixed it by doing a system restore, but I would love to know
what might have gone wrong in case it happens again.

Any ideas?

It could be a corrupt profile. Of the Registry files,
some of the files belong to the system, and some of the
files belong to your account.

Creating a new account, when you're logged into that new account,
the colors might be normal again. That would tell you it was
a registry entry of some sort.

Uninstalling software and reinstalling the software again,
seldom fixes anything because the uninstall step does
not remove "user preferences", and the newly installed
software will "respect" any user preferences it finds.
This makes it difficult to "refresh away" a problem.
There are only a few pieces of software which offer
the proper settings to do stuff like that (actually
fix something for you).

Paul

"Ted" wrote in message
news
This morning whilst reading some emails, my monitor screen suddenly
switched to Black & White (all-in-one system, so no cables). I have no
idea why so I rebooted the PC but it made no difference. The Monitor is ok
as the Windows log-on screen was in full colour, but as soon as it switch
to displaying my desktop it was only black & white again.

I could not find any "Windows settings" that might switch from colour to
b&w, and neither could I find anything in the Display Adaptor settings.

I tried rolling back the Display Adaptor driver, and re-installing the
driver, but that did not help.

It is an all-in-one system with built in video, so there are no external
cables to "wiggle about".

I finally fixed it by doing a system restore, but I would love to know
what might have gone wrong in case it happens again.

Any ideas?

In the Ease of Access settings under "Color & high contrast" is a setting
for grayscale. The keystroke to turn that on /off is WinKey+Ctrl+C
(according to the instruction there). You might try that and see it it
changes your screen back to full color.

How anyone would accidentally do that key sequence is beyond me, but hey,
stuff happens :-)
--

SC Tom

Ah!
I think you may have hit on it.
It says that the greyscale/colour filter can be toggled by clicking
"Windows logo key + Ctrl + C"

I never knew this existed, so maybe I somehow managed to click this
combo whilst intending to click something else.

Many thanks,
Ted.

On 09/11/2017 13:18, SC Tom wrote:
In the Ease of Access settings under "Color & high contrast" is a
setting for grayscale. The keystroke to turn that on /off is
WinKey+Ctrl+C (according to the instruction there). You might try that
and see it it changes your screen back to full color.

How anyone would accidentally do that key sequence is beyond me, but
hey, stuff happens :-)

SC Tom wrote:

Ted wrote:

This morning whilst reading some emails, my monitor screen suddenly
switched to Black & White

In the Ease of Access settings under "Color & high contrast" is a setting
for grayscale. The keystroke to turn that on /off is WinKey+Ctrl+C

Nope, I'd never heard of that combination, is the licence cheaper?

Wolf K wrote:
On 2017-11-09 08:18, SC Tom wrote:


"Ted" wrote in message
news
This morning whilst reading some emails, my monitor screen suddenly
switched to Black & White (all-in-one system, so no cables). I have
no idea why so I rebooted the PC but it made no difference. The
Monitor is ok as the Windows log-on screen was in full colour, but as
soon as it switch to displaying my desktop it was only black & white
again.
[...]
Any ideas?

In the Ease of Access settings under "Color & high contrast" is a
setting for grayscale. The keystroke to turn that on /off is
WinKey+Ctrl+C (according to the instruction there). You might try that
and see it it changes your screen back to full color.

How anyone would accidentally do that key sequence is beyond me, but
hey, stuff happens :-)


Fat Fingers!

I have repeatedly switched the keyboard from US English to French
(Canada) on all my windows machines, from way back. I wish there was key
I could set to prevent this, but apparently there isn't one. (Tthat's a
disguised Plea For Help).


Do you want both those options to be present ?

When my laptop was doing that, I removed the option I
didn't want, and then no fat-fingered combo could trigger
a change.

Paul

"Ted" wrote in message
news
Ah!
I think you may have hit on it.
It says that the greyscale/colour filter can be toggled by clicking
"Windows logo key + Ctrl + C"

I never knew this existed, so maybe I somehow managed to click this combo
whilst intending to click something else.

Many thanks,
Ted.

You're welcome! Now if it happens again, you'll know what to do to fix it
:-) Ain't usenet grand?
--

SC Tom

"Wolf K" wrote in message
...
On 2017-11-09 08:18, SC Tom wrote:


"Ted" wrote in message
news
This morning whilst reading some emails, my monitor screen suddenly
switched to Black & White (all-in-one system, so no cables). I have no
idea why so I rebooted the PC but it made no difference. The Monitor is
ok as the Windows log-on screen was in full colour, but as soon as it
switch to displaying my desktop it was only black & white again.
[...]
Any ideas?

In the Ease of Access settings under "Color & high contrast" is a setting
for grayscale. The keystroke to turn that on /off is WinKey+Ctrl+C
(according to the instruction there). You might try that and see it it
changes your screen back to full color.

How anyone would accidentally do that key sequence is beyond me, but hey,
stuff happens :-)


Fat Fingers!

I have repeatedly switched the keyboard from US English to French (Canada)
on all my windows machines, from way back. I wish there was key I could
set to prevent this, but apparently there isn't one. (Tthat's a disguised
Plea For Help).

Should read "thinly disguised", LOL :-)

I found this, but am not sure how well it would work since I only have one
language on my PC (I'm assuming you want to keep both French and English on
yours):

https://superuser.com/questions/958901/set-shortcuts-to-change-keyboard-layout-in-windows-10

HTH!
--

SC Tom

Paul wrote:

Ted wrote:

This morning whilst reading some emails, my monitor screen
suddenly switched to Black & White (all-in-one system, so
no cables). I have no idea why so I rebooted the PC but it
made no difference. The Monitor is ok as the Windows
log-on screen was in full colour, but as soon as it switch
to displaying my desktop it was only black & white again.

I could not find any "Windows settings" that might switch
from colour to b&w, and neither could I find anything in
the Display Adaptor settings.

I tried rolling back the Display Adaptor driver, and
re-installing the driver, but that did not help.

It is an all-in-one system with built in video, so there
are no external cables to "wiggle about".

I finally fixed it by doing a system restore, but I would
love to know what might have gone wrong in case it happens
again.

It could be a corrupt profile. Of the Registry files, some
of the files belong to the system, and some of the files
belong to your account.

Creating a new account, when you're logged into that new
account, the colors might be normal again. That would tell
you it was a registry entry of some sort.

Uninstalling software and reinstalling the software again,
seldom fixes anything because the uninstall step does not
remove "user preferences", and the newly installed software
will "respect" any user preferences it finds. This makes it
difficult to "refresh away" a problem. There are only a few
pieces of software which offer the proper settings to do
stuff like that (actually fix something for you).

I have never heard of a monitor switching to black and white
(that is monochrome, shades of gray, I assume), have you?

Pat wrote:

Ted wrote:

This morning whilst reading some emails, my monitor screen
suddenly switched to Black & White (all-in-one system, so
no cables). I have no idea why so I rebooted the PC but it
made no difference. The Monitor is ok as the Windows log-on
screen was in full colour, but as soon as it switch to
displaying my desktop it was only black & white again.

I could not find any "Windows settings" that might switch
from colour to b&w, and neither could I find anything in
the Display Adaptor settings.

I tried rolling back the Display Adaptor driver, and
re-installing the driver, but that did not help.

It is an all-in-one system with built in video, so there
are no external cables to "wiggle about".

I finally fixed it by doing a system restore, but I would
love to know what might have gone wrong in case it happens
again.

Are there any options intended to improve contrast for
sight impaired users? (You said you couldn't find any
settings, but maybe there's something in the "ease of
access" settings you missed). As to why it happened, I
have no idea.

OH. Yeah, that is a distinct possibility. I thought the user
meant monochrome. But if he means black and white with no
other colors, yes a color scheme is a good lead. How exactly
the color scheme was changed is a good question. Maybe the
email author offered it in a file and the original poster
clicked on the color scheme file.

"SC Tom" wrote:

"Ted" wrote

This morning whilst reading some emails, my monitor screen
suddenly switched to Black & White (all-in-one system, so
no cables). I have no idea why so I rebooted the PC but it
made no difference. The Monitor is ok as the Windows
log-on screen was in full colour, but as soon as it switch
to displaying my desktop it was only black & white again.

I could not find any "Windows settings" that might switch
from colour to b&w, and neither could I find anything in
the Display Adaptor settings.

I tried rolling back the Display Adaptor driver, and
re-installing the driver, but that did not help.

It is an all-in-one system with built in video, so there
are no external cables to "wiggle about".

I finally fixed it by doing a system restore, but I would
love to know what might have gone wrong in case it happens
again.

Any ideas?

In the Ease of Access settings under "Color & high
contrast" is a setting for grayscale. The keystroke to turn
that on /off is WinKey+Ctrl+C (according to the instruction
there).

Seems there is none of that on my system. Never heard of it.
Never seen it before. The keystroke combination does not do
anything here, either. Anybody else have that stuff?







--

You might try that and see it it changes your screen back
to full color.

How anyone would accidentally do that key sequence is
beyond me, but hey, stuff happens :-)

Andy Burns wrote:

SC Tom wrote:
Ted wrote:

This morning whilst reading some emails, my monitor
screen suddenly switched to Black & White

In the Ease of Access settings under "Color & high
contrast" is a setting for grayscale. The keystroke to
turn that on /off is WinKey+Ctrl+C

Nope, I'd never heard of that combination, is the licence
cheaper?

I have never heard of it and it apparently does not exist
here. I suspect it is available on portable Windows devices
only.

On 11/9/2017 1:28 PM, John Doe wrote:
Andy Burns wrote:

SC Tom wrote:
Ted wrote:

This morning whilst reading some emails, my monitor
screen suddenly switched to Black & White

In the Ease of Access settings under "Color & high
contrast" is a setting for grayscale. The keystroke to
turn that on /off is WinKey+Ctrl+C

Nope, I'd never heard of that combination, is the licence
cheaper?

I have never heard of it and it apparently does not exist
here. I suspect it is available on portable Windows devices
only.


I just tried it and it works fine on a windows 10 Desktop.

Rene

Wolf K wrote:
On 2017-11-09 09:36, Paul wrote:
Wolf K wrote:
[...]
Fat Fingers!

I have repeatedly switched the keyboard from US English to French
(Canada) on all my windows machines, from way back. I wish there was
key I could set to prevent this, but apparently there isn't one.
(Tthat's a disguised Plea For Help).


Do you want both those options to be present ?

When my laptop was doing that, I removed the option I
didn't want, and then no fat-fingered combo could trigger
a change.

Paul

How do I remove the option I don't want?

I don't think I have pictures, from before I modified
it, but the basic concepts are here. There should be
a dialog window, listing both English and French Canadian.

https://www.sevenforums.com/tutorial...dd-remove.html

It was, perhaps, the very first thing I fixed on the laptop,
after I received it as a gift. I would be typing along,
and it would switch to the French Canadian key map right
in the middle of a sentence, and it was driving me nuts.
I was happy to find, that rather than being limited to
"switching", I could actually just delete the excess one
I had no intention of using. A situation hasn't arisen
yet on the laptop, where I needed an acute, a grave
or a cedilla.

http://www.dummies.com/languages/fre...d-the-cedilla/

déjÃ* fête garçon

The French I was taught in school, was the Parisian
French, and not French Canadian. Consequently, I
could never order "¿Poutine, Por Favor" when traveling
in Quebec :-) When I was dressed in ski suit and
carrying downhill skis and poles, I had a Quebecois
taxi driver refuse to drive me to the only ski slope
in town, while he did his version of "Je ne comprende pas".
I don't get many chances any more to practice my french,
because... well... my french, she is pretty bad.

Paul