Miscellaneous Symptoms

Miscellaneous Symptoms

Symptom	FRU/Action
CD-ROM drive not working	1. Clean the CD
properly.	2. Clean the optical-head lens
	3. CD-ROM Drive
CD-ROM drive tray is not	1. CD-ROM Drive
working.
Server does not recognize	1. Verify that the CD-ROM drive is enabled in the
the CD-ROM drive.	Configuration/Setup Utility program.
	2. Verify that the server is checking for the CD-ROM drive in the
	startup sequence. Use the Configuration/Setup Utility program.
	3. CD
	4. CD-ROM Drive
CD-ROM drive in-use light	1. CD-ROM
stays on, or the system	2. CD-ROM Cable
continues to bypass the
CD-ROM drive.
Diskette drive in-use light	1. Verify that the diskette drive is enabled in the
stays on, or the system	Configuration/Setup Utility program.
bypasses the diskette drive.	2. Verify that a known good diskette is properly inserted in the drive
	3. The diskette contains the necessary files to start the system
	4. Diskette Drive
General monitor problems.	1. Monitor
Some IBM monitors have
their own self-tests. If you
suspect a problem with the
monitor, refer to the
information that comes with
the monitor for adjusting
and testing instructions.
The screen is blank.	1. Check power cord and cable connections.
	2. Monitor
	3. Video Adapter
Only the cursor appears.	1. Video Adapter
The monitor goes blank	1. Check all cable connections.
when some application	2. Verify that the graphics adapter is correctly installed in slot 1,
programs start.	the Accelerated Graphics Port (AGP).
	3. Verify that the device drivers necessary for the applications
	are installed.
The monitor works when	1. If enabled, disable the Advanced Power
you power-on the system,	Management (APM) feature setting in the
but goes blank after some	Configuration/Setup Utility program.
period of server inactivity.
Note:
The Advanced Power
Management (APM)
feature is not
supported.
Screen flickers.	1. Set monitor to highest, noninterlaced refresh rate
Attention:	supported by the monitor and controller.
Using a resolution or	2. Monitor
refresh rate that is	3. Video Adapter
not supported by the
monitor might damage it.
Wavy, unreadable, rolling,	1. Monitor
distorted screen, or screen	2. Video Adapter
jitter.	If the monitor self-tests
	show that the monitor is
	working properly:
	1. Check the location of
	the Monitor.
	2. Verify that an IBM
	monitor signal cable is
	properly connected.
	3. Verify that the monitor
	is not trying to run at a
	higher refresh rate than
	supported.
Wrong characters appear on	1. Video Adapter Cable
the screen.	2. Video Adapter
The server does not start	1. Power Switch/LED Assembly
when you press the power	2. Power Supply
switch.	Before replacing a FRU:
	1. Check all cable
	connections.
	2. Verify that the server
	is properly installed.
	3. Verify that the power
	outlet functions properly.
	4. Verify that the correct
	type of memory is
	installed.
An IBM option that used to	1. Check all cable connections.
work does not work now.	2. For SCSI options, check for proper termination.
Notes:	3. Option Device
1. If the option
comes with its
own test
instructions, use
those instructions
to test the option.
2. An external option
must be
powered-on prior
to powering-on
the system.
The parallel port cannot be	1. Device
accessed, or the number of	2. Adapter, if installed
parallel ports displayed is	3. System Board
less than the number of
parallel ports installed.
The serial port cannot be	1. Device
accessed, or the number of	2. Adapter, if installed
serial ports displayed is less	3. System Board
than the number of serial
ports installed.
Serial port and USB port	1. Device
problems.	2. Adapter, if installed
	3. System Board
The SCSI expansion	1. Verify that all SCSI expansion enclosure hardware
enclosure used to work, but	and cable connections are secure.
does not work now.	2. Verify termination of the last option in each SCSI chain, or
	the end of the SCSI cable.
	3. If the SCSI expansion enclosure comes with its own test
	instructions, use those instructions to test it.
	4. SCSI Repeater Card
The SCSI Repeater Card used	1. Verify that all SCSI Repeater Card hardware and
to work, but does not work now.	cable connections are secure.
	2. Verify that all external SCSI option cables are connected correctly.
	3. Verify the termination of the last option in each SCSI chain, or
	the end of the SCSI cable.
	4. SCSI Repeater Card
The Ethernet Controller	1. Run Diagnostics
cannot connect to the	2. Check Cables
network.	3. System Board
The Configuration/Setup	1. The PCI BIOS interrupt settings are incorrect.
Utility program reports the	Check for interrupt conflicts with ISA devices.
Ethernet controller interrupt	If conflicts are found, reserve the ISA interrupts
Utility as 0 or 255.	(see ISA Legacy Resources) so that the PCI BIOS
The PCI BIOS is not	will assign another non-conflicting PCI interrupt value.
configuring the Ethernet
controller or adapter
correctly.
The Configuration/Setup	1. Run the Configuration/Setup Utility
Utility program reports	program on the server so that
No PCI Bus .	the PCI BIOS will configure the
The Configuration/Setup	Ethernet controller or adapter correctly.
Utility program has been run
on another computer that
does not have any PCI
slots.
The server stops running	1. Check for interrupt conflicts with ISA
when loading device drivers.	devices. If conflicts are found, reserve the
The PCI BIOS interrupt	ISA interrupts (see ISA Legacy Resources)
settings are incorrect.	so that the PCI BIOS will assign another
	non-conflicting PCI interrupt value.
The diagnostics completed	1. Make sure that the network cable is securely attached.
successfully, but the	2. Make sure that you are using Category 5 cabling when operating
network connection fails.	the server at either 10 Mbps or 100 Mbps.
The Ethernet Activity light	1. Make sure the network device drivers are loaded.
does not come on.	2. Check all connections.
	3. Try sending data from this workstation.
	4. Use another Ethernet adapter
	(see Installing or Removing ISA and PCI Adapters).
	5. Use another port on the hub.
	6. Make sure that the hub port is configured for the correct
	speed (10 Mbps or 100 Mbps).
	7. If duplex mode was forced, make sure a speed of
	10 Mbps or 100 Mbps was forced.
	8. If you manually configured the duplex mode, make sure that
	you also manually configured the speed.
	9. System Board
Data is incorrect or sporadic.	1. Make sure that you are using Category 5 cabling when
	operating the server at either 10 Mbps or 100 Mbps.
The Ethernet controller or	1. Make sure that the cable is connected to the Ethernet adapter.
adapter stopped working	2. Make sure that the PCI system BIOS is current.
when another adapter was	3. Reseat the adapter.
added to the server.	4. System Board
The Ethernet controller or	1. Reseat the adapter.
adapter stopped working	2. Try a different connector at the hub or switch.
without apparent cause.	3. The network device driver files might be missing or corrupted.
	4. System Board