User Manual
Page 10
... of the computer. When the system power supply voltage is within specification, the self-test LED lights up , the power supply may be defective. Drive activity light Blue light - Diagnostic lights Four lights located on and is reading data from or writing data to the power connector (...at support.dell.com/ manuals. The power supply is turned on the front panel of computer Power supply ...
... of the computer. When the system power supply voltage is within specification, the self-test LED lights up , the power supply may be defective. Drive activity light Blue light - Diagnostic lights Four lights located on and is reading data from or writing data to the power connector (...at support.dell.com/ manuals. The power supply is turned on the front panel of computer Power supply ...