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2. The speaker is secured by one tab on either side and two at the bottom. Firmly
push the speaker up from the bottom until it comes out from the tabs.
Power supply
If the power-on indicator is not on, the power supply fan is not running, or the
computer will not power-off, use the following procedures.
Check/Verify FRU/Action
Check the following for proper installation.
v Power Cord
v On/Off Switch connector
v On/Off Switch Power Supply connector
v System Board Power Supply connectors
v Microprocessor(s) connection
Reseat
Check the power-on switch for continuity. Power Cord
Check the power-on switch for continuity. Power-on Switch
20-pin main power supply connection
See “A40/A40P/A40i system board layout” on page 29 for connector locations.
Attention:
These voltages must be checked with the power supply cables connected to the system
board
Chapter 5. FRU Replacements 33