Solving Minor Problems; Audio Problems; Power Problems - Compaq Presario 1600 - Notebook PC Maintenance And Service Manual

MSG Index
Illustrated Parts Catalog

Solving Minor Problems

Some minor problems and possible solutions are outlined in the following tables. If the problem
appears related to a software application, check the documentation provided with the software.
Audio Battery pack
Hard drive
Hardware installation
Touchpad/pointing device
Problem
Computer does not beep after the
Power-On Self-Test (POST).
Battery Pack and Battery Gauge Problems (see also
Problem
Computer won't turn on
when battery pack is
inserted and power cord
is unplugged.
Computer is beeping
and battery LED icon is
blinking.
Computer battery LED
icon (front on the unit)
blinks to indicate low
battery condition, but
computer does not beep.
Battery LED icon doesn't
light and battery pack
won't fast charge.
You have to set the date
and time every time you
turn on the computer.
Battery pack is warm to
the touch after charging.
Battery pack operating
time is far less than the
documented average
operating time.
Problem
CD / DVD drive cannot
read a compact disc.
Diskette and Diskette Drive Problems
Problem Probable Cause
Diskette drive Diskette is write-protected.
cannot write to
a diskette.
Computer is writing to
the wrong drive.
Not enough space is left
on the diskette.
Drive error has occurred.
Diskette is not formatted.
Diskette drive The wrong type of
cannot read a diskette is being used.
diskette.
Diskette has a bad sector.
Drive error has occurred.
Diskette is not formatted.
Cannot boot Bootable diskette is not in
from diskette. drive A.
Diskette Boot has incorrect
setting in Computer Setup.
Maintenance & Service Guide
Presario 1660 Model
| Home Page | Notice
| Removal & Replacement Procedures
Pin Assignments
Battery gauge
Keyboard Memory

Audio Problems

Probable Cause
This is typical; it indicates successful
completion of the Power-On Self-Test
(POST).
Probable Cause
Battery pack is discharged.
Battery connectors may be bent
or broken.
Battery charge is low.
Volume is turned down too low.
Battery pack is already charged.
Battery pack was exposed to
temperature extremes.
Battery pack is at end of its life.
RTC battery is dead.
Normal warming has occurred due
to charging.
Power management is turned off
or disabled.
An external device or PC Card is
draining the battery.
Battery pack has partially self-
discharged.
Battery pack is being exposed to
high temperatures or extremely
cold temperatures.
CD/DVD Drive Problems
Probable Cause
Compact disc is upside down or is
improperly inserted in the CD / DVD
drive.
Trying to read a CD Plus or
Pregap/Track 0 type disc with a 24x CD-
ROM drive.
| Preface | Product Description
| Battery Pack Operations
CD/DVD drive
PC card Power
Solution(s)
1. Connect the computer to an external power source and
charge the battery pack.
2. Replace the battery pack with a fully charged battery
pack.
Check the battery connectors on the system board to
verify they are evenly spaced and that they are not bent
or broken.
Immediately save any open file(s). Then either:
Connect the computer to an external power source
to charge the battery pack, or
Turn off the computer or initiate Hibernation until
you can find another power source or charge the
battery pack.
Adjust the volume.
No action is necessary.
Allow time for the battery pack to return to room
temperature.
Replace battery pack.
Replace the RTC battery.
No action is required.
Enable power management in Computer Setup and in
Windows Power Properties.
Turn off or disconnect external devices when not using
them.
Condition the battery pack by fully charging, fully
discharging, then fully recharging it.
To maintain the charge, leave battery packs in the
computer when it is connected to external power.
If the computer is disconnected from external power for
more than two weeks, remove battery packs from the
computer to reduce the discharge rate.
Keep the battery pack within the recommended
temperature ranges:
Operating: 50° F to 104° F (10° C to 40° C)
Storage: -4° F to 86° F (-20° C to 30° C )
Recharge the battery pack.
Solution(s)
Open the CD / DVD loading tray, lay the compact
disc in it (label side up), then close the tray.
None - these types of CD are unreadable with this
drive.
Solution(s)
Disable the diskette's write-protect
feature or use a diskette that is not
write-protected.
Check the drive letter in the path
statement.
Use another diskette.
Run Computer Checkup from the
Compaq Diagnostics diskette.
Format the diskette. At the system
prompt, enter
FORMAT A:
Use the type of diskette required by
the drive.
Copy files to hard drive or another
diskette. Reformat bad floppy.
Run Computer Checkup from the
Compaq Diagnostics diskette.
Format the diskette. At the system
prompt, enter
FORMAT A:
Put the bootable diskette in drive A.
Run Computer Setup and set
diskette as first to boot.
| Troubleshooting
| Specifications
Diskette/diskette drive
Printer
Solution(s)
No action is
required.
Power
Display
Problems)