3. Tests and Diagnostics
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3.8 Memory test
This test will check if the computer’s DDR RAM Vendor, frequency and size is correct in every
slot.
3. 9 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. S (US, for America)
2. J (Japan, for Japan)
When you execute this test, the keyboard layout is drawn on the display. When any key is
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