Toshiba Tecra A2-S239 Maintenance Manual - Page 125

3.7 Keyboard Test 3 Tests and Diagnostics 3.7 Keyboard Test To execute the Keyboard Test, select 3 from the DIAGNOSTIC TEST MENU, press Enter and follow the directions on the screen. The Keyboard test contains some subtests that test the computer's keyboard and Touch pad actions. Move the highlight bar to the subtest you want to execute and press Enter. Subtest 01 Pressed Key Display When you execute this subtest, the keyboard layout is drawn on the display as shown below. When any key is pressed, the corresponding key on the screen changes to the key character that was pressed. Holding a key down enables the auto-repeat function which causes the key's display character to blink. Press Del + Enter to end the test. > IF test OK, Press [Del] [Enter] Key Subtest 02 Pressed Key Code Display When a key is pressed, the scan code, character code, and key top name are displayed on the screen in the format shown below. The Ins, Caps Lock, Num Lock, Scroll Lock, Alt, Ctrl, Left Shift, and Right Shift keys are displayed in reverse screen mode when pressed. The scan codes, character codes, and key top names are shown in Appendix D. Press Enter to return to SYSTEM TEST menu. Scan code = SS Character code = CC Keytop = NNNNNN Ins Caps Lock Num Lock Scroll Lock Alt Ctrl Left Shift Right Shift Satellite A50/TECRA A2 Maintenance Manual (960-478) 3-17