HP Rp5000 Troubleshooting Guide (2nd Edition) - Page 21

Solving General Problems - network drivers

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Troubleshooting Without Diagnostics Solving General Problems You may be able to easily resolve the general problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact an authorized dealer or reseller. Solving General Problems Problem Cause Solution Computer appears locked up and will not turn off when the power button is pressed. Software control of the power switch is not functional. Press and hold the power button for at least four seconds until the computer turns off. Computer will not respond to USB keyboard or mouse. Computer is in standby mode. Press the power button to resume from standby mode. Ä CAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose your data. Computer date and time display is incorrect. RTC (real-time clock) battery may need to be replaced. ✎ Connecting the computer to a live AC outlet prolongs the life of the RTC battery. First, reset the date and time under Control Panel (Computer Setup can also be used to update the RTC date and time). 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. Computer appears to pause periodically. Network driver is loaded and no network connection is established. Establish a network connection, or use Computer Setup or Windows Device Manager* to disable the network controller. *You must be logged in as an Administrator to access the Device Manager. Cursor will not move using the arrow keys on the keypad. The Num Lock key may be on. Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. Troubleshooting Guide www.hp.com 2-5

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Troubleshooting Guide
www.hp.com
2–5
Troubleshooting Without Diagnostics
Solving General Problems
You may be able to easily resolve the general problems described in
this section. If a problem persists and you are unable to resolve it
yourself or if you feel uncomfortable about performing the operation,
contact an authorized dealer or reseller.
Solving General Problems
Problem
Cause
Solution
Computer appears
locked up and will not
turn off when the power
button is pressed.
Software control of the
power switch is not
functional.
Press and hold the power button for
at least four seconds until the
computer turns off.
Computer will not
respond to USB
keyboard or mouse.
Computer is in
standby
mode.
Press the power button to resume
from
standby
mode.
Ä
CAUTION:
When attempting to resume from
standby
mode, do not hold down the
power button for more than four seconds. Otherwise, the computer will shut down
and you will lose your data.
Computer date and
time display is
incorrect.
RTC (real-time clock)
battery may need to be
replaced.
✎
Connecting the
computer to a live
AC outlet prolongs
the life of the
RTC battery.
First, reset the date and time under
Control Panel
(Computer Setup
can also be used to update the
RTC date and time). 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.
Computer appears to
pause periodically.
Network driver is loaded
and no network
connection is established.
Establish a network connection, or
use Computer Setup or Windows
Device Manager* to disable the
network controller.
*You must be logged in as an Administrator to access the Device Manager.
Cursor will not move
using the arrow keys on
the keypad.
The
Num Lock
key
may be on.
Press the
Num Lock
key. The
Num Lock light should not be on if
you want to use the arrow keys.