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ALT+TAB or CTRL+TAB failure

13 REPLIES 13
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Message 1 of 14
brettadavis
6458 Views, 13 Replies

ALT+TAB or CTRL+TAB failure

I frequently use ALT+TAB or CTRL+TAB to toggle between drawings open in one AutoCAD Civil 3D 2012 session.  It usually works great, until it doesn't.  It will tease me by showing the desired drawing (for 3-30 seconds, without a command prompt) and then switch back to the one I wanted to leave.  Once this problem occurs I use the QuickView button at the bottom of the screen to force the change.  The appropriate drawing will be displayed but it still takes a while for the command prompt to appear (3-30 seconds).  This problem is not drawing specific or session specific, and it cannot be predicted or reproduced on command.  Is this a known issue or is my AutoCAD Civil 3D 2012 installation compromised somehow?  Any help will be appreciated.

 

Windows 7-64bit

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13 REPLIES 13
Message 2 of 14
wfberry
in reply to: brettadavis

I do not use those commands enough to answer but there are commands that just quit working.  I just save and re-start Civil 3D, that seems to correct it.

 

Just my 2 cents.

 

Bill

 

Message 3 of 14
dasindog
in reply to: brettadavis

Oddly enough I experienced this for the first time yesterday. A quick shutdown and reboot fixed it though. I'm in 2013 and have only experienced it once. Is this a normal behaviour or just sometimes?

-Dustin
Civil 3D 2013 64 bit SP1
Windows 7 Pro 64
Intel Xeon 2.93GHz
24GB RAM
NVIDIA Quadro FX 580
explodetheblock.wordpress.com
Message 4 of 14
wfberry
in reply to: dasindog

My experience shows that a re-boot may be somewhat of an overkill.

 

Bill

 

Message 5 of 14
jmayo-EE
in reply to: brettadavis

I see this every day. I avoid the issue if I use the Quick View Drawings button on the lower right of the Status Bar but it's hard to get out of the CTL+Tab habit.

John Mayo

EESignature

Message 6 of 14
brettadavis
in reply to: brettadavis

Thanks for the input everybody.  After checking the computer specs in all of your posts it seems like this might be part of my problem. My specs:


Civil 3D 2012 SP2.1
Windows 7 Enterprise, 64-bit (SP1)
Intel Core2 Duo; 2.33 GHz
4 GB RAM
NVIDIA Quadro NVS 290

 

The two of you with faster processor speeds and more RAM haven't had this issue, while the one with similar processor speeds and RAM has it happen all the time.  If I can't talk IT into beefing up my computer I guess I'll just have to get used to it.

 

Thanks again.

Message 7 of 14
brettadavis
in reply to: brettadavis

I talked out IT guy into another 4GB of RAM and its a lot better.

He's also going to upgrade my video card this weekend, so maybe that'll improve it as well.

 

You may want to try to get more memory too John.  It might help you too.

 

 

Thanks again.

Message 8 of 14
jberghuijs
in reply to: brettadavis

I have the exact same problem

Alt+tab or Ctrl+tab does not work properly.

(Screen does not refresh)

I even tried the view button in lower right hand corner.

 

It works fine in AutoCAD 2013 but does not work properly in AutoCAD 2014

I am going back to AutoCAD 2013 until this issue is fixed!

 

 

Avid user,

John Berghuijs

 

 

 

 

 

Message 9 of 14
jberghuijs
in reply to: jmayo-EE

What version of AutoCAD are you currently using?

I only have this problem with AutoCAD 2014

 

Thanks in advance for your reply.

 

Regards,

John Berghuijs

 

Message 10 of 14
brettadavis
in reply to: jberghuijs

I am running the 2012 version of ACAD Civil3D

Message 11 of 14
brettadavis
in reply to: brettadavis

System upgraded to:

 

Civil 3D 2012 SP2.1
Windows 7 Enterprise, 64-bit (SP1)
Intel Core2 Duo; 2.33 GHz
8 GB RAM
NVIDIA Quadro FX 1700

 

Performed better for a bit, but problem has reappeared.

 

Beginning to regret the upgrade to Civil 3D 😞

Message 12 of 14
jberghuijs
in reply to: brettadavis

have done some more testing and this problem is related to "hardware acceleration"

I turned off "hardware acceleration" and everything is working fine again.

 

AutoCAD 2014

Lower right hand corner, under performance tuner.

Message 13 of 14
jcpacamilo
in reply to: brettadavis

Tengo exactamente el mismo problema

Alt + tab no funciona (La pantalla no se actualiza). Por lo tanto no puedo pasar de una aplicacion a otra sin hacer uso del cursor y seleccionando la deseeada.

Ejemplo: Estoy trabajando en AutoCAD y quiero usar Alt + tab para usar el explorador de archivos (ya abierto anteriormente) y se me es imposible, solo me salen las aplicaciones abiertas (en este caso AutoCAD y el explorador de archivos) pero al soltar ambas teclas sigue en el AutoCAD.

 

nota: Si, por el contrario, realizo lo siguiente: Alt + tab + tab. SI cambia a la otra aplicacion. Pero resulta algo molesto y genera perdida de tiempo

 

Message 14 of 14
Topmig
in reply to: jcpacamilo

HI,

 

For anyone who still has this problem, try this:

https://windowsreport.com/alt-tab-not-working-windows-8/

Or

https://www.sevenforums.com/tutorials/60608-alt-tab-use-classic-icons-default-thumbnails.html

 

Solution 2 worked for me on Win10:

 

Manually in Registry Editor
1. Open the Start Menu, then type regedit in the search boxand press Enter. 

2. If prompted by UAC, click on Yes.

3. In regedit, go to the location below. (see screenshot below)
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer
ALT+TAB - Use Classic Icons or Default Thumbnails-reg1.jpg
4. To Have ALT+TAB with Classic Icons
A) In the right pane of Explorer, right click on a empty space and click on New and DWORD (32-bit) Value. (see screenshot below)
ALT+TAB - Use Classic Icons or Default Thumbnails-reg2.jpg
B) Type in AltTabSettings and press enter. Right click on AltTabSettings and click on Modify. (see screenshot below)
ALT+TAB - Use Classic Icons or Default Thumbnails-reg3.jpg
C) Type in 1 and click on OK. (see screenshot below)
ALT+TAB - Use Classic Icons or Default Thumbnails-modify.jpg 
D) Go to step 6.
5. To Have ALT+TAB with Thumbnail Previews 
NOTE: This is the default setting.
A) In the right pane of Explorer, right click on AltTabSettings and click on Delete. (see screenshot below)
ALT+TAB - Use Classic Icons or Default Thumbnails-reg4.jpg
B) Click on Yes to confirm deletion. (see screenshot below)
ALT+TAB - Use Classic Icons or Default Thumbnails-confirm_delete.jpg
6. Close regedit.

7. Log off and log on, or restart the computer to apply the changes.

 

Regards,

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