Toshiba Satellite M40 Maintenance Manual - Page 90

Keyboard Test, Num Lock, Overlay, Fn+F6

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3. Tests and Diagnostics 3.12 Keyboard Test 3.11 Keyboard Test The keyboard test checks the all keys function. NOTE: The Num Lock and the Overlay mode must be off to execute the keyboard test. Before keyboard test starts, the keyboard matrix code should be chosen as below display: 1. K (UK, for Europe) 2. S (US, for America) 3. J (JP, for Japan) When you execute this test, the keyboard layout is drawn on the display. When any key is pressed, the corresponding key on the screen changes to black as shown below. It will indicate whether the subtest is passed or failed after the question. NOTE: The "Fn" key cannot be tested in the keyboard test. To determine whether the "Fn" key is working correctly, press "Fn+F6 " or "Fn+F7 " keys to check if LCD display brightness change gradually. 3-16 [CONFIDENTIAL] Manual Satellite M40X/M45X/Satellite Pro M40X/EQUIUM M40X Series Maintenance

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3.
Tests and Diagnostics
3.12
Keyboard Test
3-16
[CONFIDENTIAL]
Satellite M40X/M45X/Satellite Pro M40X/EQUIUM M40X Series Maintenance
Manual
3.11 Keyboard Test
The keyboard test checks the all keys function.
NOTE:
The
Num Lock
and the
Overlay
mode must be off to execute the keyboard test.
Before keyboard test starts, the keyboard matrix code should be chosen as below display:
1.
K
(UK, for Europe)
2.
S
(US, for America)
3.
J
(JP, for Japan)
When you execute this test, the keyboard layout is drawn on the display. When any key is pressed, the
corresponding key on the screen changes to black as shown below.
It will indicate whether the subtest is passed or failed after the question.
NOTE:
The “
Fn
” key cannot be tested in the keyboard test. To determine whether the
“
Fn
”
key is working correctly, press “
Fn+F6
” or “
Fn
+
F7
” keys
to check if LCD
display brightness change gradually.