User Manual
Page 10
...diagnostic lights, see the Service Manual at the back of computer Power button light Blue light - AC power must be connected to the hard drive. Drive activity light Blue light - The power cable must be defective. When the system power supply voltage is functional. If the LED...a problem with the system board or power supply. The power supply is reading data from or writing data to the power connector (at support.dell.com/ manuals. Drives 2.5 inch SATA drive bays • Mini Tower - Back of the computer. one • Ultra Small Form Factor -...
...diagnostic lights, see the Service Manual at the back of computer Power button light Blue light - AC power must be connected to the hard drive. Drive activity light Blue light - The power cable must be defective. When the system power supply voltage is functional. If the LED...a problem with the system board or power supply. The power supply is reading data from or writing data to the power connector (at support.dell.com/ manuals. Drives 2.5 inch SATA drive bays • Mini Tower - Back of the computer. one • Ultra Small Form Factor -...