IBM PS/2 CL57 SX Hardware Maintenance Reference page 30

11.1 No-Beep Symptoms
Note: A no beep symptom can be caused by incorrect volume setting of the
speaker. Set the speaker volume to its maximum position.
+------------------------------------------------------------------------+
¦ Symptom/Error
+------------------------------------+-----------------------------------¦
¦ A no beep and a blank or
¦ unreadable display during POST.
¦ (See "Power Supply" in topic 5.0
¦ before replacing any FRUs.)
¦
¦
¦
+------------------------------------+-----------------------------------¦
¦ A no beep with a blinking cursor.
¦
¦
+------------------------------------+-----------------------------------¦
¦ A no beep with a normal display
¦ during POST.
¦
¦
+------------------------------------+-----------------------------------¦
¦ A no beep and the system hangs up
¦ after displaying memory count.
¦
+------------------------------------------------------------------------+
IBM PS/2 Model CL57 SX HMS
No-Beep Symptoms
¦ FRU/Action
¦ System Board
¦ Voltage Converter
¦ Communications Cartridge
¦ Hard Disk Drive
¦ Display Control Card
¦ Any options
¦ Power source when failing
¦ System Board
¦ Display Control Card
¦ Communications Cartridge
¦ Speaker
¦ Indicator Card
¦ System Board
¦ Keyboard Control Card
¦ System Board
¦ Communications Cartridge
¦ Hard Disk Drive
¦ Copyright IBM Corp. 1992
11.1 - 1
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦