Prestigio NOBILE 157, Technical & Service Manual

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Indicator-Related Symptoms
Symptom / Error Action in Sequence
Indicator incorrectly remains off or on, but system
runs correctly Reconnect the inverter board
Inverter board
Main Board
Power-Related Symptoms
Symptom / Error Action in Sequence
Power shuts down during operation Power source (battery pack and power adapter). See “Power
System Check” on page 84.
Battery pack
Power adapter
Hard drive & battery connection board
Main Board
The system doesn’t power-on. Power source (battery pack and power adapter). See “Power
System Check” on page 84.
Battery pack
Power adapter
Hard drive & battery connection board
Main Board
The system doesn’t power-off. Power source (battery pack and power adapter). See “Power
System Check” on page 84.
Hold and press the power switch for more than 4 seconds.
Main Board
Battery can’t be charged See “Check the Battery Pack” on page 84.
Battery pack
Main Board
PCMCIA/Smart Card-Related Symptoms
Symptom / Error Action in Sequence
System cannot detect the PC Card (PCMCIA) PCMCIA/Smart Card slot assembly
Main Board
System cannot detect the Smart Card Smart Card
PCMCIA/Smart Card slot assembly
Main Board
PCMCIA/Smart Card slot pin is damaged. PCMCIA/Smart Card slot assembly
Memory-Related Symptoms
Symptom / Error Action in Sequence
Memory count (size) appears different from
actual size. Enter BIOS Setup Utility to execute “Load Default Settings, then
reboot system.
DIMM
Main Board
Speaker-Related Symptoms
Symptom / Error Action in Sequence
In Windows, multimedia programs, no sound
comes from the computer. Audio driver
Speaker
Main Board
Internal speakers make noise or emit no sound. Speaker
Main Board
TECHNICAL SERVICE MANUAL Prestigio Nobile 157
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