Dell Precision 490 Desktop User's Guide - Page 144

Error Messages

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4-2-2 4-2-3 4-2-4 4-3-1 4-3-3 4-3-4 4-4-1 4-4-2 4-4-3 4-4-4 Shutdown failure Gate A20 failure Unexpected interrupt in protected mode Memory failure above address 0FFFFh Timer-chip counter 2 failure Time-of-day clock stopped Serial or parallel port test failure Failure to decompress code to shadowed memory Math-coprocessor test failure Cache test failure Error Messages Fill out the Diagnostics Checklist as you complete these checks. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. If the message is not listed, see the documentation for the operating system or the program that was running when the message appeared. A filename cannot contain any of the following characters Do not use these characters in filenames. A required .DLL file was not found - The program that you are trying to open is missing an essential file. To remove and then reinstall the program: 1. Click the Start button, click Control Panel, and then click Add or Remove Programs. 2. Select the program you want to remove. 3. Click the Change or Remove Program icon. 4. See the program documentation for installation instructions. Alert! CPU Fan Not Detected - Ensure that the cooling fan and airflow shroud are properly installed and working. Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technical Support - Contact Dell and report the checkpoint code (nnnn) to the support technician (see Contacting Dell). Alert! Previous Fan Failures - Alert! Previous Processor Thermal Failure - Alert! Previous Shutdown Due to Thermal Event - Ensure that nothing is blocking the airflow vents and that all the fans are properly installed and operating correctly. Also, ensure that the processor heat-sink assembly is properly installed. Alert! Previous Reboot Was Due to Voltage Regulator Failure - Contact Dell for assistance (see Contacting Dell). Alert! System Battery Voltage is Low - Replace the battery (see Battery). Alert! Unable to Initialize all Installed Memory - Alert! Uncorrectable Memory Error Previously Detected in DIMM_X/Y - See Memory Problems.

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Error Messages
Fill out the
Diagnostics Checklist
as you complete these checks.
If the message is not listed, see the documentation for the operating system or the program that was running when the message appeared.
4-2-2
Shutdown failure
4-2-3
Gate A20 failure
4-2-4
Unexpected interrupt in protected mode
4-3-1
Memory failure above address 0FFFFh
4-3-3
Timer-chip counter 2 failure
4-3-4
Time-of-day clock stopped
4-4-1
Serial or parallel port test failure
4-4-2
Failure to decompress code to shadowed memory
4-4-3
Math-coprocessor test failure
4-4-4
Cache test failure
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
A filename cannot contain any of the following characters: \ / : * ? " < > |
—
Do not use these characters in filenames.
A required .DLL file was not found
—
The program that you are trying to open is missing an essential file. To remove and then reinstall the
program:
1.
Click the
Start
button, click
Control Panel
, and then click
Add or Remove Programs
.
2.
Select the program you want to remove.
3.
Click the
Change or Remove Program
icon.
4.
See the program documentation for installation instructions.
Alert! CPU Fan Not Detected
—
Ensure that the cooling fan and airflow shroud are properly installed and working.
Alert! Previous attempts at booting this system have failed at checkpoint [
nnnn
]. For help in resolving this problem, please note this
checkpoint and contact Dell Technical Support
—
Contact Dell and report the checkpoint code (
nnnn
) to the support technician (see
Contacting Dell
).
Alert! Previous Fan Failures
—
Alert! Previous Processor Thermal Failure
—
Alert! Previous Shutdown Due to Thermal Event
—
Ensure that nothing is blocking the airflow vents and that all the fans are properly installed and operating correctly. Also, ensure that the
processor heat-sink assembly is properly installed.
Alert! Previous Reboot Was Due to Voltage Regulator Failure
—
Contact Dell for assistance (see
Contacting Dell
).
Alert! System Battery Voltage is Low
—
Replace the battery (see
Battery
).
Alert! Unable to Initialize all Installed Memory
—
Alert! Uncorrectable Memory Error Previously Detected in DIMM_X/Y
—
See
Memory Problems
.