diff --git a/reactos/dll/cpl/desk/desk.def b/reactos/dll/cpl/desk/desk.def
index fdbb8869cfc..e34ffeaba4e 100644
--- a/reactos/dll/cpl/desk/desk.def
+++ b/reactos/dll/cpl/desk/desk.def
@@ -3,5 +3,6 @@ LIBRARY desk.cpl
 EXPORTS
 CPlApplet
 DisplayClassInstaller
+DisplaySaveSettings
 
 ; EOF
diff --git a/reactos/dll/cpl/desk/devsett.c b/reactos/dll/cpl/desk/devsett.c
index eaed2db9871..a124826e72c 100644
--- a/reactos/dll/cpl/desk/devsett.c
+++ b/reactos/dll/cpl/desk/devsett.c
@@ -7,6 +7,8 @@
 
 #include "desk.h"
 
+#include <cfgmgr32.h>
+
 #define NDEBUG
 #include <debug.h>
 
@@ -23,7 +25,6 @@ typedef struct _CDevSettings
     CLIPFORMAT cfDisplayId; /* "Display ID" */
     CLIPFORMAT cfMonitorName; /* "Monitor Name" */
     CLIPFORMAT cfMonitorDevice; /* "Monitor Device" */
-    CLIPFORMAT cfMonitorId; /* "Monitor ID" */
     CLIPFORMAT cfDisplayKey; /* "Display Key" */
     CLIPFORMAT cfDisplayStateFlags; /* "Display State Flags" */
     CLIPFORMAT cfPruningMode; /* "Pruning Mode" */
@@ -34,7 +35,6 @@ typedef struct _CDevSettings
     PWSTR pDisplayId;
     PWSTR pMonitorName;
     PWSTR pMonitorDevice;
-    PWSTR pMonitorId;
 
     DESK_EXT_INTERFACE ExtInterface;
 
@@ -171,9 +171,47 @@ pCDevSettings_GetMonitorDevice(const WCHAR *pszDisplayDevice)
 static PWSTR
 pCDevSettings_GetDeviceInstanceId(const WCHAR *pszDevice)
 {
-    /* FIXME: Implement */
+    DEVINST DevInst;
+    CONFIGRET cr;
+    ULONG BufLen;
+    LPWSTR lpDevInstId = NULL;
+
     DPRINT1("CDevSettings::GetDeviceInstanceId(%ws) UNIMPLEMENTED!\n", pszDevice);
-    return NULL;
+
+    cr = CM_Locate_DevNodeW(&DevInst,
+                            (DEVINSTID_W)pszDevice,
+                            CM_LOCATE_DEVNODE_NORMAL);
+    if (cr == CR_SUCCESS)
+    {
+        DbgPrint("Success1\n");
+        cr = CM_Get_Device_ID_Size(&BufLen,
+                                   DevInst,
+                                   0);
+        if (cr == CR_SUCCESS)
+        {
+            DbgPrint("Success2\n");
+            lpDevInstId = LocalAlloc(LMEM_FIXED,
+                                     (BufLen + 1) * sizeof(WCHAR));
+
+            if (lpDevInstId != NULL)
+            {
+                DbgPrint("Success3\n");
+                cr = CM_Get_Device_IDW(DevInst,
+                                       lpDevInstId,
+                                       BufLen,
+                                       0);
+
+                if (cr != CR_SUCCESS)
+                {
+                    LocalFree((HLOCAL)lpDevInstId);
+                    lpDevInstId = NULL;
+                }
+                DbgPrint("instance id: %ws\n", lpDevInstId);
+            }
+        }
+    }
+
+    return lpDevInstId;
 }
 
 
@@ -401,7 +439,6 @@ pCDevSettings_Initialize(PCDevSettings This,
     This->cfDisplayStateFlags = RegisterClipboardFormat(DESK_EXT_DISPLAYSTATEFLAGS);
     This->cfMonitorName = RegisterClipboardFormat(DESK_EXT_MONITORNAME);
     This->cfMonitorDevice = RegisterClipboardFormat(DESK_EXT_MONITORDEVICE);
-    This->cfMonitorId = RegisterClipboardFormat(DESK_EXT_MONITORID);
     This->cfPruningMode = RegisterClipboardFormat(DESK_EXT_PRUNINGMODE);
 
     /* Copy the device name */
@@ -411,14 +448,12 @@ pCDevSettings_Initialize(PCDevSettings This,
     DPRINT1("This->pDisplayName: %ws\n", This->pDisplayName);
     This->pDisplayKey = pCDevSettings_AllocAndCopyString(DisplayDeviceInfo->DeviceKey);
     DPRINT1("This->pDisplayKey: %ws\n", This->pDisplayKey);
-    This->pDisplayId = pCDevSettings_GetDeviceInstanceId(This->pDisplayDevice);
+    This->pDisplayId = pCDevSettings_GetDeviceInstanceId(DisplayDeviceInfo->DeviceID);
     DPRINT1("This->pDisplayId: %ws\n", This->pDisplayId);
     This->pMonitorName = pCDevSettings_GetMonitorName(This->pDisplayDevice);
     DPRINT1("This->pMonitorName: %ws\n", This->pMonitorName);
     This->pMonitorDevice = pCDevSettings_GetMonitorDevice(This->pDisplayDevice);
     DPRINT1("This->pMonitorDevice: %ws\n", This->pMonitorDevice);
-    This->pMonitorId = pCDevSettings_GetDeviceInstanceId( This->pMonitorDevice);
-    DPRINT1("This->pMonitorId: %ws\n", This->pMonitorId);
 
     /* Check pruning mode */
     This->bModesPruned = ((DisplayDeviceInfo->DeviceStateFlags & DISPLAY_DEVICE_MODESPRUNED) != 0);
@@ -465,7 +500,6 @@ pCDevSettings_Free(PCDevSettings This)
     pCDevSettings_FreeString(&This->pDisplayId);
     pCDevSettings_FreeString(&This->pMonitorName);
     pCDevSettings_FreeString(&This->pMonitorDevice);
-    pCDevSettings_FreeString(&This->pMonitorId);
 }
 
 static HRESULT STDMETHODCALLTYPE
@@ -562,11 +596,6 @@ CDevSettings_GetData(IDataObject* iface,
             pszRet = This->pMonitorDevice;
             DPRINT1("CDevSettings::GetData returns monitor device %ws\n", pszRet);
         }
-        else if (pformatetcIn->cfFormat == This->cfMonitorId)
-        {
-            pszRet = This->pMonitorId;
-            DPRINT1("CDevSettings::GetData returns monitor id %ws\n", pszRet);
-        }
         else if (pformatetcIn->cfFormat == This->cfExtInterface)
         {
             PDESK_EXT_INTERFACE pIface;
@@ -688,7 +717,6 @@ CDevSettings_QueryGetData(IDataObject* iface,
         pformatetc->cfFormat == This->cfDisplayStateFlags ||
         pformatetc->cfFormat == This->cfMonitorDevice ||
         pformatetc->cfFormat == This->cfMonitorName ||
-        pformatetc->cfFormat == This->cfMonitorId ||
         pformatetc->cfFormat == This->cfPruningMode)
     {
         return S_OK;
@@ -774,7 +802,7 @@ CDevSettings_EnumFormatEtc(IDataObject* iface,
                            IEnumFORMATETC** ppenumFormatEtc)
 {
     HRESULT hr;
-    FORMATETC fetc[10];
+    FORMATETC fetc[9];
     PCDevSettings This = impl_from_IDataObject(iface);
 
     *ppenumFormatEtc = NULL;
@@ -798,8 +826,6 @@ CDevSettings_EnumFormatEtc(IDataObject* iface,
         pCDevSettings_FillFormatEtc(&fetc[7],
                                     This->cfMonitorDevice);
         pCDevSettings_FillFormatEtc(&fetc[8],
-                                    This->cfMonitorId);
-        pCDevSettings_FillFormatEtc(&fetc[9],
                                     This->cfPruningMode);
 
         hr = SHCreateStdEnumFmtEtc(sizeof(fetc) / sizeof(fetc[0]),
@@ -877,3 +903,12 @@ CreateDevSettings(PDISPLAY_DEVICE_ENTRY DisplayDeviceInfo)
 
     return NULL;
 }
+
+LONG WINAPI
+DisplaySaveSettings(PVOID pContext,
+                    HWND hwndPropSheet)
+{
+    //PCDevSettings This = impl_from_IDataObject((IDataObject *)Context);
+    DPRINT("DisplaySaveSettings() UNIMPLEMENTED!\n");
+    return DISP_CHANGE_BADPARAM;
+}
diff --git a/reactos/dll/win32/shellext/deskadp/deskadp.c b/reactos/dll/win32/shellext/deskadp/deskadp.c
index ff696bbd815..013fe233919 100644
--- a/reactos/dll/win32/shellext/deskadp/deskadp.c
+++ b/reactos/dll/win32/shellext/deskadp/deskadp.c
@@ -151,6 +151,38 @@ InitListAllModesDialog(PDESKDISPLAYADAPTER This,
     }
 }
 
+static BOOL
+ChangeSelectedMode(PDESKDISPLAYADAPTER This,
+                   HWND hwndListAllModesDlg)
+{
+    INT i;
+    PDEVMODEW lpSelDevMode = NULL;
+    BOOL bRet = FALSE;
+
+    i = (INT)SendDlgItemMessage(hwndListAllModesDlg,
+                                IDC_ALLVALIDMODES,
+                                LB_GETCURSEL,
+                                0,
+                                0);
+
+    if (i >= 0)
+    {
+        lpSelDevMode = (PDEVMODEW)SendDlgItemMessage(hwndListAllModesDlg,
+                                                     IDC_ALLVALIDMODES,
+                                                     LB_GETITEMDATA,
+                                                     (WPARAM)i,
+                                                     0);
+    }
+
+    if (lpSelDevMode != NULL)
+    {
+        This->lpSelDevMode = lpSelDevMode;
+        bRet = TRUE;
+    }
+
+    return bRet;
+}
+
 static INT_PTR CALLBACK
 ListAllModesDlgProc(HWND hwndDlg,
                     UINT uMsg,
@@ -183,7 +215,14 @@ ListAllModesDlgProc(HWND hwndDlg,
             switch (LOWORD(wParam))
             {
                 case IDOK:
+                    if (ChangeSelectedMode(This,
+                                           hwndDlg))
+                    {
+                        EndDialog(hwndDlg,
+                                  IDOK);
+                    }
                     break;
+
                 case IDCANCEL:
                     EndDialog(hwndDlg,
                               IDCANCEL);
@@ -203,11 +242,25 @@ ListAllModesDlgProc(HWND hwndDlg,
 static VOID
 ShowListAllModes(PDESKDISPLAYADAPTER This)
 {
-    DialogBoxParam(hInstance,
-                   MAKEINTRESOURCE(IDD_LISTALLMODES),
-                   This->hwndDlg,
-                   ListAllModesDlgProc,
-                   (LPARAM)This);
+    PDEVMODEW lpPrevSel;
+
+    lpPrevSel = This->lpSelDevMode;
+
+    if (This->DeskExtInterface != NULL &&
+        DialogBoxParam(hInstance,
+                       MAKEINTRESOURCE(IDD_LISTALLMODES),
+                       This->hwndDlg,
+                       ListAllModesDlgProc,
+                       (LPARAM)This) == IDOK)
+    {
+        if (lpPrevSel != This->lpSelDevMode)
+        {
+            (void)PropSheet_Changed(GetParent(This->hwndDlg),
+                                    This->hwndDlg);
+            This->DeskExtInterface->SetCurrentMode(This->DeskExtInterface->Context,
+                                                   This->lpSelDevMode);
+        }
+    }
 }
 
 static VOID
@@ -271,6 +324,49 @@ InitDisplayAdapterDialog(PDESKDISPLAYADAPTER This)
         SetDlgItemTextW(This->hwndDlg,
                         IDC_BIOSINFORMATION,
                         This->DeskExtInterface->BiosString);
+
+        This->lpDevModeOnInit = This->DeskExtInterface->GetCurrentMode(This->DeskExtInterface->Context);
+    }
+    else
+        This->lpDevModeOnInit = NULL;
+
+    This->lpSelDevMode = This->lpDevModeOnInit;
+}
+
+static LONG
+ApplyDisplayAdapterChanges(PDESKDISPLAYADAPTER This)
+{
+    LONG lChangeRet;
+
+    if (This->DeskExtInterface != NULL)
+    {
+        /* Change the display settings through desk.cpl */
+        lChangeRet = DeskCplExtDisplaySaveSettings(This->DeskExtInterface,
+                                                   This->hwndDlg);
+        if (lChangeRet == DISP_CHANGE_SUCCESSFUL)
+        {
+            /* Save the new mode */
+            This->lpDevModeOnInit = This->DeskExtInterface->GetCurrentMode(This->DeskExtInterface->Context);
+            return PSNRET_NOERROR;
+        }
+        else if (lChangeRet == DISP_CHANGE_RESTART)
+        {
+            /* Notify desk.cpl that the user needs to reboot */
+            PropSheet_RestartWindows(GetParent(This->hwndDlg));
+            return PSNRET_NOERROR;
+        }
+    }
+
+    return PSNRET_INVALID_NOCHANGEPAGE;
+}
+
+static VOID
+ResetDisplayAdapterChanges(PDESKDISPLAYADAPTER This)
+{
+    if (This->DeskExtInterface != NULL && This->lpDevModeOnInit != NULL)
+    {
+        This->DeskExtInterface->SetCurrentMode(This->DeskExtInterface->Context,
+                                               This->lpDevModeOnInit);
     }
 }
 
@@ -315,6 +411,27 @@ DisplayAdapterDlgProc(HWND hwndDlg,
             }
 
             break;
+
+        case WM_NOTIFY:
+        {
+            NMHDR *nmh = (NMHDR *)lParam;
+
+            switch (nmh->code)
+            {
+                case PSN_APPLY:
+                {
+                    SetWindowLong(hwndDlg,
+                                  DWL_MSGRESULT,
+                                  ApplyDisplayAdapterChanges(This));
+                    break;
+                }
+
+                case PSN_RESET:
+                    ResetDisplayAdapterChanges(This);
+                    break;
+            }
+            break;
+        }
     }
 
     return Ret;
diff --git a/reactos/dll/win32/shellext/deskadp/deskadp.h b/reactos/dll/win32/shellext/deskadp/deskadp.h
index 601c4674a0a..e7b76f268bb 100644
--- a/reactos/dll/win32/shellext/deskadp/deskadp.h
+++ b/reactos/dll/win32/shellext/deskadp/deskadp.h
@@ -12,6 +12,8 @@ typedef struct _DESKDISPLAYADAPTER
     PDESK_EXT_INTERFACE DeskExtInterface;
     IDataObject *pdtobj;
     LPTSTR lpDeviceId;
+    PDEVMODEW lpSelDevMode;
+    PDEVMODEW lpDevModeOnInit;
 } DESKDISPLAYADAPTER, *PDESKDISPLAYADAPTER;
 
 extern LONG dll_refs;
@@ -54,7 +56,7 @@ IDeskDisplayAdapter_ReplacePage(PDESKDISPLAYADAPTER This,
                                 LPFNADDPROPSHEETPAGE pfnReplacePage,
                                 LPARAM lParam);
 
-static const GUID CLSID_IDeskDisplayAdapter = {0x42071712,0x76d4,0x11d1,{0x8b,0x24,0x00,0xa0,0xc9,0x06,0x8f,0xf3}};
+static const GUID CLSID_IDeskDisplayAdapter = {0x42071712,0x76d4,0x11d1,{0x8b,0x24,0x00,0xa0,0xc9,0x06,0x8f,0xf9}};
 
 ULONG __cdecl DbgPrint(PCCH Format,...);
 
diff --git a/reactos/dll/win32/shellext/deskadp/lang/en-US.rc b/reactos/dll/win32/shellext/deskadp/lang/en-US.rc
index 3731c639524..f20e91b9eb1 100644
--- a/reactos/dll/win32/shellext/deskadp/lang/en-US.rc
+++ b/reactos/dll/win32/shellext/deskadp/lang/en-US.rc
@@ -27,7 +27,7 @@ STYLE DS_SETFONT | DS_FIXEDSYS | DS_MODALFRAME | WS_POPUPWINDOW | WS_VISIBLE | W
 CAPTION "List All Modes"
 FONT 8, "MS Shell Dlg", 0, 0, 0x0
 BEGIN
-  DEFPUSHBUTTON "OK", IDOK, 112, 115, 50, 15, WS_DISABLED
+  DEFPUSHBUTTON "OK", IDOK, 112, 115, 50, 15
   PUSHBUTTON "Cancel", IDCANCEL, 167, 115, 50, 15
   GROUPBOX "List of valid modes", -1, 6, 7, 212, 98
   LISTBOX IDC_ALLVALIDMODES, 10, 20, 204, 87, LBS_NOTIFY | WS_VSCROLL
diff --git a/reactos/include/reactos/dll/desk/deskcplx.h b/reactos/include/reactos/dll/desk/deskcplx.h
index 746664593b7..ed4d8f8880c 100644
--- a/reactos/include/reactos/dll/desk/deskcplx.h
+++ b/reactos/include/reactos/dll/desk/deskcplx.h
@@ -12,7 +12,6 @@
 #define DESK_EXT_DISPLAYSTATEFLAGS TEXT("Display State Flags")
 #define DESK_EXT_MONITORNAME TEXT("Monitor Name")
 #define DESK_EXT_MONITORDEVICE TEXT("Monitor Device")
-#define DESK_EXT_MONITORID TEXT("Monitor ID")
 
 typedef PDEVMODEW (DESK_EXT_CALLBACK *PDESK_EXT_ENUMALLMODES)(PVOID Context, DWORD Index);
 typedef PDEVMODEW (DESK_EXT_CALLBACK *PDESK_EXT_GETCURRENTMODE)(PVOID Context);
@@ -43,6 +42,8 @@ typedef struct _DESK_EXT_INTERFACE
     WCHAR BiosString[128];
 } DESK_EXT_INTERFACE, *PDESK_EXT_INTERFACE;
 
+LONG WINAPI DisplaySaveSettings(PVOID pContext, HWND hwndPropSheet);
+
 static PDESK_EXT_INTERFACE __inline
 QueryDeskCplExtInterface(IDataObject *pdo)
 {
@@ -117,4 +118,32 @@ QueryDeskCplString(IDataObject *pdo, UINT cfFormat)
     return lpStr;
 }
 
+static LONG __inline
+DeskCplExtDisplaySaveSettings(PDESK_EXT_INTERFACE DeskExtInterface,
+                              HWND hwndDlg)
+{
+    typedef LONG (WINAPI *PDISPLAYSAVESETTINGS)(PVOID, HWND);
+    HMODULE hModDeskCpl;
+    PDISPLAYSAVESETTINGS pDisplaySaveSettings;
+    LONG lRet = DISP_CHANGE_BADPARAM;
+
+    /* We could use GetModuleHandle() instead, but then this routine
+       wouldn't work if some other application hosts the shell extension */
+    hModDeskCpl = LoadLibrary(TEXT("desk.cpl"));
+    if (hModDeskCpl != NULL)
+    {
+        pDisplaySaveSettings = (PDISPLAYSAVESETTINGS)GetProcAddress(hModDeskCpl,
+                                                                    "DisplaySaveSettings");
+        if (pDisplaySaveSettings != NULL)
+        {
+            lRet = pDisplaySaveSettings(DeskExtInterface->Context,
+                                        hwndDlg);
+        }
+
+        FreeLibrary(hModDeskCpl);
+    }
+
+    return lRet;
+}
+
 #endif /* __DESKCPLX__H */