[. . . ] Your All-In-One may include a photo cartridge instead of a black print cartridge. Before you continue, remove the photo cartridge from the print cartridge storage unit. [. . . ] Note: After installation is complete, remember to re-enable your anti-virus software. Macintosh If you are using your All-In-One with a computer, continue to step 12. If you inserted the CD and the installation screen did not appear: 1 Click Cancel on all New Hardware screens. If the All-In-One software installation screen does not appear: a From your desktop, double-click My Computer. Symptom Power light is not lit Diagnosis Is the power cord pushed all the way into the All-In-One?Solution Disconnect the power cord from the wall outlet and then from the All-InOne. Reconnect the power cord by pushing it all the way into the power supply on the All-In-One and then into the wall outlet. Software will not install Is your operating system compatible with the Lexmark All-In-One?If you inserted the CD and the installation screen did not appear: 1 From your desktop, double-click the Lexmark 3300 Series Installer icon. If the Power light does not come on, see the "Power light is not lit" symptom at the beginning of this table. see "Error messages troubleshooting" in your User's Guide. Disconnect the USB cable from any other devices and connect it directly between the All-In-One and your computer. [. . . ] 3 Press the + button repeatedly until the language you want appears on the display. Record the following information (located on your store receipt and the back of your printer), and have it ready when you contact us so that we may serve you faster: Machine Type number Serial number Date purchased Store where purchased · [. . . ]