
Testing the computer
Note: The
To run the test, do as follows:
1.Turn off the computer.
2.Make sure that the internal optical drive that is supported as a startup device is attached to the computer you are servicing.
3.Turn on the computer.
If the computer cannot be powered on, go to “Power system checkout” on page 51, and check the power sources.
If an error code appears, go to
4.When the ThinkPad logo comes up, immediately press F12 to enter the Boot Menu.
5.Insert the
6.Press cursor keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter.
7.Follow the instructions on the screen.
8.The main panel of
9.Select Diagnostics with the arrow keys, and press Enter.
Note: You can select an item not only with the arrow keys, but also with the TrackPoint® pointer. Instead of pressing Enter, click the left button.
A
Note:
46ThinkPad SL410, L410, L412, SL510, L510, and L512 Hardware Maintenance Manual