tamadollar.blogg.se - Dell optical drive diagnostic

Remove the hard drive and optical drive.

Replace the motherboard / system board.

Identify the correct flashing light sequence.

Power on the laptop or restart it if it is already on.

For diagnosing LED light codes you need to: When a test fails, the user is notified via POST codes, Light codes, or Beep codes. 10 Hard drives Enables you to install up to eight 3.5-inch (2.5-inch with adapter) hot swappable hard drives/SSDs. For more information about supported optical drives and tape drives, see Optical drives and tape drives (optional). These tests are called POST or Power On Self Test. 9 Optical drive or tape drives Enables you to install an optical drive or tape drives. Then the optical drive and test.When a laptop or computer first powers on, it goes through an initial set of diagnostic tests to make sure vital components are preforming correctly.

These tests are called POST or Power On Self Test. When a laptop or computer first powers on, it goes through an initial set of diagnostic tests to make sure vital components are preforming correctly.