• 4281-CTO• 4282-CTO, 29x, 3Px• 4284-CTO, 48xTable 55. Parts list—Windows 7 Professional (32 bit) recovery DVDsLanguage P/N CRUIDEnglish 03W7818Japanese 03W7817Simplified Chinese 03W7816*Windows 7 Professional (64 bit) DVDsWindows 7 Professional (64 bit) is preinstalled as the operating system in the following models:• 4239-CTO, 22x, 23x, 24x, 25x, 26x, 38x, 39x, 3Ax, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax• 4240-CTO, 29x, 2Ax, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Hx, 2Jx, 2Kx, 2Lx, 2Mx, 2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx,2Ux, 2Vx, 2Xx, 2Yx, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Jx, 3Kx, 3Lx, 3Px, 3Qx, 3Rx, 3Tx, 3Vx, 3Wx, 46x, 47x,48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx• 4241-CTO, 26x, 48x• 4242-CTO, 22x, 27x, 28x, 29x, 2Ax, 2Gx, 2Kx, 2Lx, 2Mx, 2Nx, 2Tx, 2Ux, 2Vx, 2Wx, 2Xx, 2Yx, 2Zx, 32x,33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 47x, 48x, 49x, 4Ax, 4Cx, 4Dx,4Ex, 4Fx, 4Gx, 4Hx, 4Mx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 4Yx, 53x, 54x, 55x, 58x, 59x• 4243-CTO, 27x, 28x, 29x, 3Rx, 3Tx, 3Ux, 3Vx, 3Wx, 3Zx, 4Bx, 4Ux, 4Vx, 4Wx, 4Xx, 4Yx, 5Ax• 4244-CTO• 4246-CTO• 4249-CTO• 4260-CTO• 4270-CTO, 26x• 4276-CTO, 22x, 23x, 24x, 25x, 27x, 28x, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Hx, 2Jx, 2Kx, 2Lx,2Mx, 2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 2Vx, 2Wx, 2Xx, 2Yx, 2Zx, 33x, 34x, 35x, 36x, 37x, 38x, 39x• 4281-CTO• 4282-CTO, 23x, 24x, 25x, 26x, 27x, 28x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Hx, 2Jx, 2Kx, 2Lx, 2Mx,2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 2Ux, 2Vx, 2Wx, 2Xx, 2Yx, 2Zx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 3Bx,3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx,3Yx, 3Zx, 42x, 45x, 4Bx, 4Cx• 4284-CTO, 23x, 24x, 25x, 26x, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 45x, 49x, 4Ax, 4Bx, 4Cx, 4DxTable 56. Parts list—Windows 7 Professional (64 bit) recovery DVDsLanguage P/N CRU IDArabic 03W7819Brazilian Portuguese 03W7820Czech 03W7823English 03W7842English (modem-disabled) 03W7841English (for India) 03W7824English, Danish, Finnish, Norwegian, and Swedish 03W7843English, French, German, Italian, and Dutch 03W7844English, Slovenian, and Croatian 03W7845French 03W7825*Chapter 11. Parts list 165