Lenovo 4089 Personal Computer User Manual


 
4. Position the computer cover on the chassis so that the rail guides on the bottom
of the computer cover engage the rails. Then, slide the computer cover to the
front of the computer until it snaps into position and is closed. Then, install the
two screws to secure the computer cover.
5. Lock the computer cover if you have a computer cover lock. See “Integrated
cable lock” on page 39 or “Padlock” on page 40.
6. Reconnect the power cord and all other external cables to the computer. For
connector locations, see “Locating connectors, controls, and indicators on the
front of your computer” on page 7 and “Locating connectors and parts on the
rear of your computer” on page 8.
7. Depending on the parts you installed or replaced, you might need to confirm
the updated information in the Setup Utility program. See Chapter 4, “Using
the Setup Utility program,” on page 51.
Note: In most areas of the world, Lenovo requires the return of the defective
Customer Replaceable Units (CRUs). Information about this will come with
the new CRUs or will come a few days after you receive the new CRUs.
Obtaining device drivers
You can obtain device drivers for operating systems that are not preinstalled at
http://www.lenovo.com/support. Installation instructions are provided in readme
files with the device-driver files.
Basic security features
There are several security options available to help you prevent hardware theft and
unauthorized access to your computer. In addition to physical locks, you can also
prevent unauthorized use of your computer by a software lock that locks the
keyboard until a correct password is typed in.
Figure 32. Reinstalling the computer cover
38 User Guide