Member Avatar for Rubinder singh

I am using windows 7 ultimate 32-bit edition,
But when I try to run any dos screen like command prompt, c++ compiler etc.

They are not going to full screen mode,
Please tell me how to run my c++ compiler or any dos screen in full screen mode ……in windows 7..


Thanks…. :-)

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  • Latest Post Latest Post by CityThrille

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Short answer for : Windows 7 will not give the old MS‑DOS 100% hardware text‑mode full screen. That capability was removed when Windows moved to the WDDM graphics stack (Vista and later). What remains is a borderless or maximized console window, not the exclusive VGA text mode used by true DOS. (learn.microsoft.com)

If the goal is merely a larger working console (compiling, long listings, etc.), change the console properties or use the console "mode" command. Right‑click the title bar -> Properties (or Defaults) -> Font and Layout to raise font size and Window Size; use Defaults to make settings persistent. From a script the built‑in command controls columns/lines: 

mode con: cols=120 lines=40

Maximizing (Win+Up) or saving Layout/Defaults will give a near–full‑screen window without hardware mode. (learn.microsoft.com)

For programs that actually require DOS/VGA text mode (old Turbo C/C++ IDEs, text‑mode installers), use an emulator or a VM. DOSBox emulates MS‑DOS and supports true fullscreen toggling (Alt+Enter); alternatively run a Windows XP guest (Windows XP Mode or VirtualBox/VMware) so the legacy program runs as intended. was right that native Win7 cmd.exe cannot do true DOS fullscreen; ’s DOSBox suggestion is the standard practical solution; attempting to “downgrade” the display stack on a Win7 host is not a supported or safe fix. (en.wikipedia.org)

Practical note: if the purpose is modern C++ development, native toolchains (MinGW/MSYS2, Visual Studio) avoid all these issues and run in a normal Windows console or IDE. For legacy classroom/compiler exercises that expect Turbo C, use DOSBox or a VM and enable fullscreen inside the emulator. (stackoverflow.com)

Recommended Answers

All 8 Replies

Member Avatar for ikunu

Hello DOS's can not run in full screen mode.

But to increase the size you may go for clicking top left icon >properties and change the appropriate size of windows.

Member Avatar for Sokanas

I beg to differ... on my Win7 Laptop I can run the Command Prompt (Dos is not in Win7!) if the resolution is set really low, from memory I believe it is 640x480 or lower.

Member Avatar for Squirtyban

How do I expand my laptop screen for DOS windows

Member Avatar for technoknol

Full screen for DOS based programs are disabled in Windows7, but still if you want to use fullscreen use Dosbox software.

http://www.dosbox.com/

Please thumb up if you found this useful.

Edited by technoknol because: n/a
Member Avatar for RTFMID10T

This should of been marked solved by ikunu. quick resolution for making the window in a longer format is the windows key+up arrow

Member Avatar for sheena2012

I beg to differ... on my Win7 Laptop I can run the Command Prompt (Dos is not in Win7!) if the resolution is set really low, from memory I believe it is 640x480 or lower.

Same here, When i read this thread, i run my laptop to see if its running and it does. I can view it on full screen mode.

Member Avatar for RTFMID10T

I beg to differ... on my Win7 Laptop I can run the Command Prompt (Dos is not in Win7!) if the resolution is set really low, from memory I believe it is 640x480 or lower.

you are correct DOS does not in Win7 that's why back in windows 3.1 they started the MS-DOS which is your "Command Prompt" as you read now. Little knowledge and takes you far to know the old to understand the new.

Member Avatar for CityThrille

There is no DOS in Windows 7 now.


It is now incorporated in a Command Prompt (cmd.exe) to support DOS Commands.
But not such and such as DOS in full-screen mode.
The latest Windows Display Driver Model(WDDM) does not support DOS in full screen now. Workaround: you may revert to an XP Version of WDDM if you insist still to full screen Command Prompt, or DOS, either.
But for me I do not recommend reverting to XP version of WDDM. It is really very tricky thing to do since you own a Windows 7.

Here is the Microsoft Support Link to know: http://support.microsoft.com/kb/926657

This thread should be markes as SOLVED.

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