Acer 4715Z - Manual (Page 103)

Chapter 4 93
No beep, power-on indicator turns off and
LCD is blank.
T
Power source (battery pack and power adapter). See “Power
System Check” on page 89.
T
Ensure every connector is connected tightly and correctly.
T
Reconnect the DIMM.
T
LED board
T
Mainboard
No beep, power-on indicator turns on and
LCD is blank.
T
Power source (battery pack and power adapter). See “Power
System Check” on page 89.
T
Reconnect the LCD connector
T
Hard disk drive
T
LCD inverter ID
T
LCD cable
T
LCD Inverter board
T
LCD
T
Mainboard
No beep, power-on indicator turns on and
LCD is blank. But you can see POST on an
external CRT.
T
Reconnect the LCD connectors.
T
LCD inverter ID
T
LCD cable
T
LCD inverter board
T
LCD
T
Mainboard
No beep, power-on indicator turns on and a
blinking cursor shown on LCD during
POST.
T
Ensure every connector is connected tightly and correctly.
T
Mainboard
No beep during POST but system runs
correctly.
T
Speaker
T
Mainboard
Error Message List
Error Messages Check or do the following in sequence: