HP Dc7100 Troubleshooting Guide - Page 66

Control, Panel, Code/Message, Probable Cause, Recommended Action, Run Computer Setup or Windows - ram

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POST Error Messages Numeric Codes and Text Messages (Continued) Code/Message Probable Cause Recommended Action 163-Time & Date Not Set Invalid time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. Reset the date and time under Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Documentation CD for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. CMOS jumper may not be properly installed. Check for proper placement of the CMOS jumper if applicable. 164-Memory Size Error Memory amount has changed since the last boot (memory added or removed). Press the F1 key to save the memory changes. Memory configuration incorrect. 1. Run Computer Setup or Windows utilities. 2. Make sure the memory module(s) are installed properly. 3. If third-party memory has been added, test using HP-only memory. 4. Verify proper memory module type. 201-Memory Error RAM failure. 1. Run Computer Setup or Windows utilities. 2. Ensure memory modules are correctly installed. 3. Verify proper memory module type. 4. Remove and replace the memory module(s) one at a time to isolate the faulty module. 5. Replace faulty memory module(s). 6. If the error persists after replacing memory modules, replace the system board. A-4 www.hp.com Troubleshooting Guide

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A–4
www.hp.com
Troubleshooting Guide
POST Error Messages
163-Time & Date
Not Set
Invalid time or date in
configuration memory.
RTC (real-time clock)
battery may need to
be replaced.
Reset the date and time under
Control
Panel
(Computer Setup can also be
used). If the problem persists, replace the
RTC battery. See the
Hardware Reference
Guide
on the
Documentation
CD
for
instructions on installing a new battery, or
contact an authorized dealer or reseller
for RTC battery replacement.
CMOS jumper may not
be properly installed.
Check for proper placement of the CMOS
jumper if applicable.
164-Memory Size
Error
Memory amount has
changed since the last
boot (memory added or
removed).
Press the
F1
key to save the memory
changes.
Memory configuration
incorrect.
1. Run Computer Setup or Windows
utilities.
2. Make sure the memory module(s) are
installed properly.
3. If third-party memory has been
added, test using HP-only memory.
4. Verify proper memory module type.
201-Memory Error
RAM failure.
1. Run Computer Setup or Windows
utilities.
2. Ensure memory modules are correctly
installed.
3. Verify proper memory module type.
4. Remove and replace the memory
module(s) one at a time to isolate the
faulty module.
5. Replace faulty memory module(s).
6. If the error persists after replacing
memory modules, replace the system
board.
Numeric Codes and Text Messages
(Continued)
Code/Message
Probable Cause
Recommended Action