Dell Inspiron 7500 Reference And Troubleshooting Guide

support.dell.comSystem Messages and Beep CodesC-1APPENDIX C
System Messages and Beep Codes
Your application programs, the operating system, and the computer itself can provide 
you with status and error information in the form of system messages that appear on 
the computer’s display or an external monitor (if one is attached), or as beep codes 
that sound through the computer’s speaker. This appendix documents the diagnostic 
and beep codes and system messages generated by the system basic input/output...

C-2Dell Inspiron 7500 System Reference and Troubleshooting GuideExtended RAM 
failed at off-
set: nnnn
Extended memory is not 
configured properly or has 
failed at the memory address 
nnnn.Call Dell for technical assistance. (For instructions, 
see Chapter 5, “Getting Help.”)Failing bits: 
nnnn 
Memory failed at RAM 
address nnnn.Call Dell for technical assistance. (For instructions, 
see Chapter 5, “Getting Help.”)Fixed disk 0 
failure
The hard-disk drive failed to 
initialize.See “Troubleshooting the...

support.dell.comSystem Messages and Beep CodesC-3Parity check 2 
nnnn
A parity error was found in 
the I/O bus at address nnnn.Call Dell for technical assistance. (For instructions, 
see Chapter 5, “Getting Help.”)Real time clock 
error
The CMOS battery that 
supports data stored in 
NVRAM may be dead.Call Dell for technical assistance. (For instructions, 
see Chapter 5, “Getting Help.”)Shadow RAM 
failed at off-
set: nnnn
Shadow RAM failed at 
address nnnn.Call Dell for technical assistance. (For...

C-4Dell Inspiron 7500 System Reference and Troubleshooting GuideSystem Beep Codes
When errors occur during the boot routine that cannot be reported on the integrated 
display or on an external monitor (if attached), the computer may emit a series of 
beeps that identify the problem. The beep code is a pattern of sounds: for example, 
one beep, followed by a burst of three beeps, followed by a single beep, and then 
another burst of three beeps (code 1-3-1-3) means that the computer was unable to 
read...

support.dell.comSystem Messages and Beep CodesC-5
1-4-1-1RAM failure on data bits nnnn of 
the low byte on the memory busRun the System Memory device group in the Dell 
Diagnostics. (See “Running the Dell Diagnostics” found 
later in this chapter for instructions.) If the program 
does not load, call Dell for technical assistance. (For 
instructions, see Chapter 5, “Getting Help.”)
2-1-2-3Check ROM copyright notice 
failureRun the System Board Devices device group in the 
Dell Diagnostics. (“Running the...

C-6Dell Inspiron 7500 System Reference and Troubleshooting Guide 

support.dell.comRegulatory NoticesD-1APPENDIX D
Regulatory Notices
Electromagnetic Interference (EMI) is any signal or emission, radiated in free space       
or conducted along power or signal leads, that endangers the functioning of a radio 
navigation or other safety service or seriously degrades, obstructs, or repeatedly 
interrupts a licensed radio communications service. Radio communications services 
include but are not limited to AM/FM commercial broadcast, television, cellular        
services,...

D-2Dell Inspiron 7500 System Reference and Troubleshooting Guide
Information Technology Equipment (ITE), including peripherals, expansion cards, 
printers, input/output (I/O) devices, monitors, and so on, that are integrated into         
or connected to the system should match the electromagnetic environment 
classification of the computer system.A Notice About Shielded Signal Cables: Use only shielded cables for 
connecting peripherals to any Dell device to reduce the possibility of 
interference with...

support.dell.comRegulatory NoticesD-3Class A
This equipment has been tested and found to comply with the limits for a Class A 
digital device pursuant to Part 15 of the FCC Rules. These limits are designed to 
provide reasonable protection against harmful interference when the equipment is 
operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the 
manufacturer’s instruction manual, may cause harmful...

D-4Dell Inspiron 7500 System Reference and Troubleshooting Guide
The REN is used to determine the quantity of devices that may be connected to the 
telephone line. Excessive RENs on the telephone line may result in the devices not 
ringing in response to an incoming call. In most areas, the sum of all the RENs on 
your telephone line should be less than five to ensure proper service from the 
telephone company. To be certain of the number of devices that you may 
connect to a line, as determined by the...