diff --git a/reactos/lib/ddraw/hal/ddraw.c b/reactos/lib/ddraw/hal/ddraw.c
index a8e6c0ef4d2..d1ac6e58bc0 100644
--- a/reactos/lib/ddraw/hal/ddraw.c
+++ b/reactos/lib/ddraw/hal/ddraw.c
@@ -454,5 +454,35 @@ HRESULT Hal_DirectDraw_FlipToGDISurface(LPDIRECTDRAW7 iface)
 	}
 	
 	/* FIXME where should FlipGdi.dwToGDI be fill in */
-    return  FlipGdi.ddRVal;
+    return  FlipGdi.ddRVal;	
+}
+
+HRESULT Hal_DirectDraw_SetDisplayMode (LPDIRECTDRAW7 iface, DWORD dwWidth, DWORD dwHeight, 
+													DWORD dwBPP, DWORD dwRefreshRate, DWORD dwFlags)
+{
+  DDHAL_SETMODEDATA mode;
+
+  IDirectDrawImpl* This = (IDirectDrawImpl*)iface;
+  
+  if (!(This->DirectDrawGlobal.lpDDCBtmp->HALDD.dwFlags & DDHAL_CB32_SETMODE)) 
+  {
+	 return DDERR_NODRIVERSUPPORT;
+  }
+
+  mode.lpDD = &This->DirectDrawGlobal;
+  mode.ddRVal = DDERR_NODRIVERSUPPORT;
+
+  /* FIXME : add search for which mode.ModeIndex we should use */
+  /* FIXME : fill the mode.inexcl; */
+  /* FIXME : fill the mode.useRefreshRate; */
+
+  /*
+  if (This->DirectDrawGlobal.lpDDCBtmp->HALDD.SetMode(&mode) != DDHAL_DRIVER_HANDLED)
+  {
+	  return DDERR_NODRIVERSUPPORT;
+  } 
+  */
+
+  DX_STUB;
+  /* return mode.ddRVal */
 }
diff --git a/reactos/lib/ddraw/main/ddraw.c b/reactos/lib/ddraw/main/ddraw.c
index 4c5765f0b01..dbbf5d3b30c 100644
--- a/reactos/lib/ddraw/main/ddraw.c
+++ b/reactos/lib/ddraw/main/ddraw.c
@@ -85,6 +85,21 @@ HRESULT WINAPI Main_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface, HWND hw
 HRESULT WINAPI Main_DirectDraw_SetDisplayMode (LPDIRECTDRAW7 iface, DWORD dwWidth, DWORD dwHeight, 
 																DWORD dwBPP, DWORD dwRefreshRate, DWORD dwFlags)
 {
+	DWORD ret;
+	if((ret = Hal_DirectDraw_SetDisplayMode(iface,  dwWidth,  dwHeight, 
+                                            dwBPP,  dwRefreshRate,  dwFlags)) == DD_OK)
+	{
+		return ret;
+	}
+
+	if((ret = Hel_DirectDraw_SetDisplayMode(iface,  dwWidth,  dwHeight, 
+                                            dwBPP,  dwRefreshRate,  dwFlags)) == DD_OK)
+	{
+		return ret;
+	}
+
+	return DDERR_NOTINITIALIZED; 
+
     IDirectDrawImpl* This = (IDirectDrawImpl*)iface;
 
 	// this only for exclusive mode
diff --git a/reactos/lib/ddraw/rosdraw.h b/reactos/lib/ddraw/rosdraw.h
index e6eccbec4fb..d19c522763c 100644
--- a/reactos/lib/ddraw/rosdraw.h
+++ b/reactos/lib/ddraw/rosdraw.h
@@ -96,6 +96,9 @@ HRESULT Hal_DirectDraw_WaitForVerticalBlank(LPDIRECTDRAW7 iface, DWORD dwFlags,
 
 HRESULT Hal_DirectDraw_GetScanLine(LPDIRECTDRAW7 iface, LPDWORD lpdwScanLine);
 HRESULT Hal_DirectDraw_FlipToGDISurface(LPDIRECTDRAW7 iface); 
+HRESULT Hal_DirectDraw_SetDisplayMode (LPDIRECTDRAW7 iface, DWORD dwWidth, DWORD dwHeight, 
+													DWORD dwBPP, DWORD dwRefreshRate, DWORD dwFlags);
+
 
 
 
@@ -112,6 +115,8 @@ HRESULT Hel_DirectDraw_WaitForVerticalBlank(LPDIRECTDRAW7 iface, DWORD dwFlags,
 
 HRESULT Hel_DirectDraw_GetScanLine(LPDIRECTDRAW7 iface, LPDWORD lpdwScanLine);
 HRESULT Hel_DirectDraw_FlipToGDISurface(LPDIRECTDRAW7 iface);
+HRESULT Hel_DirectDraw_SetDisplayMode (LPDIRECTDRAW7 iface, DWORD dwWidth, DWORD dwHeight, 
+													DWORD dwBPP, DWORD dwRefreshRate, DWORD dwFlags);
 
 
 /*********** Macros ***********/
diff --git a/reactos/lib/ddraw/soft/ddraw.c b/reactos/lib/ddraw/soft/ddraw.c
index 31724257f4b..fe20977f215 100644
--- a/reactos/lib/ddraw/soft/ddraw.c
+++ b/reactos/lib/ddraw/soft/ddraw.c
@@ -48,3 +48,49 @@ HRESULT Hel_DirectDraw_FlipToGDISurface(LPDIRECTDRAW7 iface)
 	DX_STUB;
 }
 
+HRESULT Hel_DirectDraw_SetDisplayMode (LPDIRECTDRAW7 iface, DWORD dwWidth, DWORD dwHeight, 
+													DWORD dwBPP, DWORD dwRefreshRate, DWORD dwFlags)
+{
+    IDirectDrawImpl* This = (IDirectDrawImpl*)iface;
+
+	// this only for exclusive mode
+	if(!(This->cooperative_level & DDSCL_EXCLUSIVE))
+   		return DDERR_NOEXCLUSIVEMODE;
+
+	// change the resolution using normal WinAPI function
+	DEVMODE mode;
+	mode.dmSize = sizeof(mode);
+	mode.dmPelsWidth = dwWidth;
+	mode.dmPelsHeight = dwHeight;
+	mode.dmBitsPerPel = dwBPP;
+	mode.dmDisplayFrequency = dwRefreshRate;
+	mode.dmFields = 0;
+
+	if(dwWidth)
+		mode.dmFields |= DM_PELSWIDTH;
+	if(dwHeight)
+		mode.dmFields |= DM_PELSHEIGHT;
+	if(dwBPP)
+		mode.dmFields |= DM_BITSPERPEL;
+	if(dwRefreshRate)
+		mode.dmFields |= DM_DISPLAYFREQUENCY;
+
+	if (ChangeDisplaySettings(&mode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
+		return DDERR_UNSUPPORTEDMODE;
+	
+	// TODO: reactivate ddraw object, maximize window, set it in foreground 
+	// and set excluive mode (if implemented by the driver)
+
+	/* FIXME fill the DirectDrawGlobal right the modeindex old and new */
+
+	if(dwWidth)
+		This->Height = dwWidth;
+	if(dwHeight)
+		This->Width = dwHeight;
+	if(dwBPP)
+		This->Bpp = dwBPP;
+
+	return DD_OK;
+}
+
+