If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop. NOTE: If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics from your optional Drivers and Utilities CD. The computer automatically runs the Pre-boot System Assessment. NOTE: If you cannot see anything on your display, hold down the mute button and press the computer's power button to begin the Dell Diagnostics. When the DELL™ logo appears, press immediately. Check your hardware by running Dell Diagnostics as follows:ġ.