ThinkCentre User Guide, introduces the characteristics of ThinkCentre models 9120, 9126, 9127, 9128, 9129, 9130, 9134, 9135, 9136, 9137, 9139, 9140, 9141, 9142, 9143, 9144, 9156, 9157, 9158, 9159, 9169, 9171, 9189, 9191
This user guide covers important safety information, workspace arrangement, and step‑by‑step instructions for setting up Lenovo ThinkCentre desktop computers. It includes details on installing the vertical stand, connecting power, and completing software installation.
The guide also explains the provided software, how to use the Setup Utility, update BIOS, perform troubleshooting, recover software, and access help and service resources. Appendices contain manual modem commands and legal notices.
Chapter 1, “Important safety information,” on page 1 provides the safety information for the product.
Chapter 6, “Updating system programs,” on page 23 explains how to update the POST/BIOS and recover from a BIOS update failure.