![background image](http://html1.mh-extra.com/html/ibm/thinkpad-390x/thinkpad-390x_hardware-maintenance-manual_3363598055.webp)
To use PC-Doctor DOS:
1. Press the left and right arrow keys to move around
the main menu. Press Enter to enable the highlighted
option. The main options are:
Diagnostics
Interactive Tests
Hardware Info
Utility
Quit
2. Press the up and down arrow keys to move in a
selected menu. Press Enter to enable the highlighted
option.
Note: You can press F1 for help.
The Diagnostics and Interactive Tests menus contain test
items you perform on the computer. After performing a
test, press F3 to view the test result log for detailed infor-
mation.
ThinkPad 390X / i 1700 HMM
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