HP Dc5700 Quick Setup and Getting Started Guide - Enhanced for Accessibility - Page 20

Solving General Problems continued - case

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Table 1 Solving General Problems (continued) Computer date and time display is incorrect. Cause Solution NOTE: Connecting the computer to a live AC outlet prolongs the life of the RTC battery. Hardware Reference Guide on the Documentation and Diagnostics CD for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. Cursor will not move using the arrow keys on the keypad. Cause Solution 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. The Num Lock key can be disabled (or enabled) in Computer Setup. There is no sound or sound volume is too low. Cause Solution System volume may be set low or muted. 1. Check the F10 BIOS settings to make sure the internal system speaker is not muted (this setting does not affect the external speakers). 2. Make sure the external speakers are properly connected and powered on and that the speakers' volume control is set correctly. 3. Use the system volume control available in the operating system to make sure the speakers are not muted or to increase the volume. Cannot remove computer cover or access panel. Cause Solution Smart Cover Lock, featured on some computers, is locked. Unlock the Smart Cover Lock using Computer Setup. The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction. Order PN 166527-001 for 12 Quick Setup & Getting Started ENWW

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Table 1
Solving General Problems (continued)
Computer date and time display is incorrect.
Cause
Solution
Hardware Reference Guide
on the
Documentation
NOTE:
Connecting the computer to a
and Diagnostics CD
for instructions on installing a
live AC outlet prolongs the life of the
new battery, or contact an authorized dealer or
RTC battery.
reseller for RTC battery replacement.
Cursor will not move using the arrow keys on the keypad.
Cause
Solution
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.
The
Num Lock
key can be disabled (or enabled) in
Computer Setup.
There is no sound or sound volume is too low.
Cause
Solution
System volume may be set low or muted.
1.
Check the F10 BIOS settings to make sure
the internal system speaker is not muted (this
setting does not affect the external speakers).
2.
Make sure the external speakers are properly
connected and powered on and that the
speakers' volume control is set correctly.
3.
Use the system volume control available in
the operating system to make sure the
speakers are not muted or to increase the
volume.
Cannot remove computer cover or access panel.
Cause
Solution
Smart Cover Lock, featured on some computers,
Unlock the Smart Cover Lock using Computer
is locked.
Setup.
The Smart Cover FailSafe Key, a device for
manually disabling the Smart Cover Lock, is
available from HP. You will need the FailSafe Key
in case of forgotten password, power loss, or
computer malfunction. Order PN 166527-001 for
12
Quick Setup & Getting Started
ENWW