I got everything ready and then got stuck at my first step. First of all my system is: inspiron 1720 T7500 8600m GT 4GB RAM Windows 7 64 eGPU: MSI GTX 560 ti PE4h 2.4a ec060a & pm3n be quiet 430W PSU Tolud is 3.5gb and I got in to some problems trying to do DSDT override . Basically my .dsl file its nothing like the one in the guide and I can't find the PNP0A08/PNP0A03 'DWordMemory' resource entries. What am I doing wrong? Guide.Device (PCI0) { Name (_HID, EisaId ("PNP0A03")) // _HID: Hardware ID Name (_ADR, 0x00) // _ADR: Address Name (_PRW, Package (0x02) // _PRW: Power Resources for Wake { 0x0B, 0x03 }) Method (_INI, 0, NotSerialized) // _INI: Initialize { Store (SMI (0x98, 0x00), MIS0) And (MIS0, Or (0x01, Or (0x02, 0x10)), MIS0) Store (0x01, MIS4) Store (SMI (0x46, 0x00), Local0) Store (SMI (0x6D, 0x00), Local6) If (LEqual (Local6, 0x03)) { \_SB.PCI0.VID.GLID (Local0) } SOST () } Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings { CRS3 () CR_2 (0x00, 0x0100) CR_3 (0x00, 0x0CF8) CR_1 (0x0CF8, 0x0CF8, 0x01, 0x08) CR_3 (0x0D00, 0xF300) CR_4 (0x000A0000, 0x00020000) Add (0x000C0000, GORL (), Local0) Subtract (0x000E0000, Local0, Local1) CR_4 (Local0, Local1) Add (0x00100000, GMEM (), Local0) Add (Local0, 0x00100000, Local0) Store (SMI (0x6D, 0x00), Local3) If (LEqual (Local3, 0x03)) { Add (Local0, 0x00800000, Local0) } Store (GPXB (), Local3) Subtract (Local3, Local0, Local1) CR_4 (Local0, Local1) Add (Local3, 0x04000000, Local0) Subtract (0xFEC00000, Local0, Local1) CR_4 (Local0, Local1) Add (0xFEC00000, 0x00010000, Local0) Subtract (0xFED00000, Local0, Local1) CR_4 (Local0, Local1) Add (0xFED18000, 0x4000, Local0) Subtract (0xFED20000, Local0, Local1) CR_4 (Local0, Local1) Add (0xFED20000, 0x00070000, Local0) Subtract (0xFEDA0000, Local0, Local1) CR_4 (Local0, Local1) Add (0xFEDA6000, 0x1000, Local0) Subtract (0xFEE00000, Local0, Local1) CR_4 (Local0, Local1) Add (0xFEE00000, 0x00010000, Local0) Subtract (0xFFA00000, Local0, Local1) CR_4 (Local0, Local1) Add (0xFFA00000, 0x00100000, Local0) Subtract (0xFFF00000, Local0, Local1) CR_4 (Local0, Local1) If (LGreaterEqual (OSID (), 0x20)) { Store (G4GB (), Local0) If (LGreater (Local0, 0x00100000)) { ShiftLeft (Local0, 0x0C, Local0) Store (0xF8000000, Local1) Store (0x01, Local2) ShiftLeft (Local2, 0x20, Local2) Add (Local1, Local2, Local1) CR_5 (Local0, Local1) } } CR_6 () Return (CRS0) } Device (ISAB) { Name (_ADR, 0x001F0000) // _ADR: Address Device (PS2M) { Name (_HID, EisaId ("PNP0F13")) // _HID: Hardware ID Name (CRS, ResourceTemplate () {