diff --git a/src/add-ons/accelerants/via/SetDisplayMode.c b/src/add-ons/accelerants/via/SetDisplayMode.c
index 135d1998a3..69a6db6967 100644
--- a/src/add-ons/accelerants/via/SetDisplayMode.c
+++ b/src/add-ons/accelerants/via/SetDisplayMode.c
@@ -51,7 +51,7 @@ status_t SET_DISPLAY_MODE(display_mode *mode_to_set)
 	uint8 colour_depth1 = 32;
 //	status_t result;
 	uint32 startadd,startadd_right;
-//	bool display, h, v;
+	bool display, h, v;
 //	bool crt1, crt2, cross;
 
 	/* Adjust mode to valid one and fail if invalid */
@@ -81,8 +81,8 @@ status_t SET_DISPLAY_MODE(display_mode *mode_to_set)
 	interrupt_enable(false);
 
 	/* find current DPMS state, then turn off screen(s) */
-//	head1_dpms_fetch(&display, &h, &v);
-//	head1_dpms(false, false, false);
+	head1_dpms_fetch(&display, &h, &v);
+	head1_dpms(false, false, false);
 //	if (si->ps.secondary_head) head2_dpms(false, false, false);
 
 	/*where in framebuffer the screen is (should this be dependant on previous MOVEDISPLAY?)*/
@@ -306,7 +306,7 @@ status = B_OK;
 	si->dm = target;
 
 	/* turn screen one on */
-//	head1_dpms(display, h, v);
+	head1_dpms(display, h, v);
 	/* turn screen two on if a dualhead mode is active */
 //	if (target.flags & DUALHEAD_BITS) head2_dpms(display,h,v);
 
@@ -447,19 +447,19 @@ status_t SET_DPMS_MODE(uint32 dpms_flags) {
 		switch(dpms_flags) 
 		{
 		case B_DPMS_ON:	/* H: on, V: on, display on */
-//			head1_dpms(true, true, true);
+			head1_dpms(true, true, true);
 //			if (si->ps.secondary_head) head2_dpms(true, true, true);
 			break;
 		case B_DPMS_STAND_BY:
-//			head1_dpms(false, false, true);
+			head1_dpms(false, false, true);
 //			if (si->ps.secondary_head) head2_dpms(false, false, true);
 			break;
 		case B_DPMS_SUSPEND:
-//			head1_dpms(false, true, false);
+			head1_dpms(false, true, false);
 //			if (si->ps.secondary_head) head2_dpms(false, true, false);
 			break;
 		case B_DPMS_OFF: /* H: off, V: off, display off */
-//			head1_dpms(false, false, false);
+			head1_dpms(false, false, false);
 //			if (si->ps.secondary_head) head2_dpms(false, false, false);
 			break;
 		default:
@@ -473,16 +473,16 @@ status_t SET_DPMS_MODE(uint32 dpms_flags) {
 		switch(dpms_flags) 
 		{
 		case B_DPMS_ON:	/* H: on, V: on, display on */
-//			head1_dpms(true, true, true);
+			head1_dpms(true, true, true);
 			break;
 		case B_DPMS_STAND_BY:
-//			head1_dpms(false, false, true);
+			head1_dpms(false, false, true);
 			break;
 		case B_DPMS_SUSPEND:
-//			head1_dpms(false, true, false);
+			head1_dpms(false, true, false);
 			break;
 		case B_DPMS_OFF: /* H: off, V: off, display off */
-//			head1_dpms(false, false, false);
+			head1_dpms(false, false, false);
 			break;
 		default:
 			LOG(8,("SET: Invalid DPMS settings (DH) 0x%08x\n", dpms_flags));
@@ -504,8 +504,7 @@ uint32 DPMS_MODE(void) {
 	bool display, h, v;
 	
 	interrupt_enable(false);
-//	head1_dpms_fetch(&display, &h, &v);
-display = h = v = true;
+	head1_dpms_fetch(&display, &h, &v);
 
 	interrupt_enable(true);
 
diff --git a/src/add-ons/accelerants/via/engine/crtc.c b/src/add-ons/accelerants/via/engine/crtc.c
index 5e59a90590..a0a5e85046 100644
--- a/src/add-ons/accelerants/via/engine/crtc.c
+++ b/src/add-ons/accelerants/via/engine/crtc.c
@@ -473,9 +473,6 @@ status_t eng_crtc_dpms(bool display, bool h, bool v)
 
 	LOG(4,("CRTC: setting DPMS: "));
 
-	/* enable access to primary head */
-	set_crtc_owner(0);
-
 	/* start synchronous reset: required before turning screen off! */
 	SEQW(RESET, 0x01);
 
@@ -529,22 +526,22 @@ status_t eng_crtc_dpms(bool display, bool h, bool v)
 
 	if (h)
 	{
-		CRTCW(REPAINT1, (CRTCR(REPAINT1) & 0x7f));
+		CRTCW(HTIMEXT2, (CRTCR(HTIMEXT2) & 0xef));
 		LOG(4,("hsync enabled, "));
 	}
 	else
 	{
-		CRTCW(REPAINT1, (CRTCR(REPAINT1) | 0x80));
+		CRTCW(HTIMEXT2, (CRTCR(HTIMEXT2) | 0x10));
 		LOG(4,("hsync disabled, "));
 	}
 	if (v)
 	{
-		CRTCW(REPAINT1, (CRTCR(REPAINT1) & 0xbf));
+		CRTCW(HTIMEXT2, (CRTCR(HTIMEXT2) & 0xdf));
 		LOG(4,("vsync enabled\n"));
 	}
 	else
 	{
-		CRTCW(REPAINT1, (CRTCR(REPAINT1) | 0x40));
+		CRTCW(HTIMEXT2, (CRTCR(HTIMEXT2) | 0x20));
 		LOG(4,("vsync disabled\n"));
 	}
 
@@ -553,12 +550,9 @@ status_t eng_crtc_dpms(bool display, bool h, bool v)
 
 status_t eng_crtc_dpms_fetch(bool *display, bool *h, bool *v)
 {
-	/* enable access to primary head */
-	set_crtc_owner(0);
-
 	*display = !(SEQR(CLKMODE) & 0x20);
-	*h = !(CRTCR(REPAINT1) & 0x80);
-	*v = !(CRTCR(REPAINT1) & 0x40);
+	*h = !(CRTCR(HTIMEXT2) & 0x10);
+	*v = !(CRTCR(HTIMEXT2) & 0x20);
 
 	LOG(4,("CTRC: fetched DPMS state: "));
 	if (*display) LOG(4,("display on, "));
diff --git a/src/add-ons/accelerants/via/engine/general.c b/src/add-ons/accelerants/via/engine/general.c
index 76cf589553..4d046187d0 100644
--- a/src/add-ons/accelerants/via/engine/general.c
+++ b/src/add-ons/accelerants/via/engine/general.c
@@ -90,7 +90,7 @@ status_t eng_general_powerup()
 {
 	status_t status;
 
-	LOG(1,("POWERUP: Haiku VIA Accelerant 0.04 running.\n"));
+	LOG(1,("POWERUP: Haiku VIA Accelerant 0.05 running.\n"));
 
 	/* preset no laptop */
 	si->ps.laptop = false;
@@ -481,8 +481,8 @@ static status_t eng_general_bios_to_powergraphics()
 	}
 
 	/* turn off both displays and the hardcursors (also disables transfers) */
-//	head1_dpms(false, false, false);
-//	head1_cursor_hide();
+	head1_dpms(false, false, false);
+	head1_cursor_hide();
 //	if (si->ps.secondary_head)
 	if (0)
 	{
@@ -594,7 +594,7 @@ static status_t eng_general_bios_to_powergraphics()
 	eng_agp_setup();
 
 	/* turn screen one on */
-//	head1_dpms(true, true, true);
+	head1_dpms(true, true, true);
 
 	return B_OK;
 }