Lenovo TS140 manual Hard disk drive problems, Troubleshooting and diagnostics

2.If an action step is preceded by “(Trained service technician only),” this action step is reserved for a trained service technician and must be performed only by a trained service technician.

Symptom		Action
The optical drive is not recognized.	1. Make sure that:
		• The signal cable and connector are not damaged
		and the connector pins are not bent.
		• The optical drive is securely connected to the
		correct SATA connector on the system board and
		the SATA connector is enabled in the Setup Utility
		program. See “Using the Setup Utility program”
		on page 21.
		• All cables and jumpers (if any) are installed
		correctly.
		• The correct device driver is installed for the optical
		drive.
	2.	Run any optical drive diagnostic programs if you
		have.
	3.	Reinstall the optical drive and reconnect cables.
	4.	Replace the signal cable for the optical drive.
	5.	Replace the optical drive.
	6.	(Trained service technician only) Replace the system
		board.
A disc is not working correctly.	1. Make sure that the disc is in the optical drive with the
		shiny side facing down.
	2.	Make sure that the disc surface is clean and not
		scratched.
	3.	Check the disc or package for regional coding. You
		might need to purchase a disc with coding for the
		region where you are using the product.
	4.	Restart the disc player program.
	5.	Restart the server.
	6.	Run any optical drive diagnostic programs if you
		have.
	7.	Reinstall the optical drive and reconnect cables.
	8.	Replace the signal cable for the optical drive.
	9.	Replace the optical drive.

Hard disk drive problems

Follow the suggested actions for the corresponding symptom in the order in which they are listed until the problem is solved. If none of these actions solve the problem, see “Troubleshooting procedure” on page 83 for the subsequent steps you should check after using the information in this topic. If the problem cannot be solved by yourself, seek technical assistance. See Chapter 8 “Getting information, help, and service” on page 89.

Note: If you are instructed to remove, install, or replace any CRUs, refer to the related procedure in “Installing, removing, or replacing hardware” on page 40.

Chapter 7. Troubleshooting and diagnostics 85