Compaq dc7700 - Convertible Minitower PC Quick Setup & Getting Started page 20

Table 1 Solving General Problems (continued)
Computer date and time display is incorrect.
Cause
NOTE:
live AC outlet prolongs the life of the
RTC battery.
Cursor will not move using the arrow keys on the keypad.
Cause
The Num Lock key may be on.
There is no sound or sound volume is too low.
Cause
System volume may be set low or muted.
Cannot remove computer cover or access panel.
Cause
Smart Cover Lock, featured on some computers,
is locked.
12 Quick Setup & Getting Started
Connecting the computer to a
Solution
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.
Solution
Press the Num Lock key. The Num Lock light
should not be on if you want to use the
The Num Lock key can be disabled (or enabled) in
Computer Setup.
Solution
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.
Solution
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
arrow keys.
ENWW