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Compaq Presario Series Maintenance and Service Guide
United States December 9, 2002
Presario 305 Model
Before You Begin Specifications Parts Catalog
Removal Sequence Troubleshooting Battery Operations
Product Description Pin Assignments
Index
Solving Minor Problems (continued)
Audio Battery pack Battery gauge CD/DVD drive
Diskette/diskette
drive
Display Hard drive
Hardware
installation
Keyboard Memory
PC card Power Printer
Touchpad/pointing
device
Infrared
USB Modem
PC Card Problems
Problem Probable Cause Solution(s)
Computer does
not beep when a
PC Card is
inserted.
PC Card is not inserted properly. Ensure the card is inserted in the
correct orientation. Insert the
card gently to prevent damage to
the pins.
Double-click the PC Card icon in
the Control Panel, click the
Global Settings tab, the enable
PC Card sound effects.
Speakers are turned off or volume
is turned down.
Adjust the volume control on the
computer.
PC Card drivers are not installed. Double click the Add New
Hardware icon in the Control
Panel for installation instructions.
If PC Card or drivers are not
compatible with Windows, install
drivers and use the PC Card in MS-
DOS mode.
PC Card or card driver is not
PCMCIA compliant.
Contact your Compaq authorized
service provider for a list of PC
Cards tested successfully in
Compaq PC Card platforms.
Network PC
Card does not
work.
Necessary drivers are not installed
(turned on).
Refer to the instructions that
came with the PC Card or contact
the vendor for information on
installing the correct drivers.
PC Card is not fully inserted or is
upside down.
Ensure the PC Card is inserted
correctly.
Network PC Card or card driver is
not PCMCIA compliant.
Contact your Compaq authorized
service provider for a list of PC
Cards tested successfully in
Compaq PC Card platforms
Computer beeps
only once when
a PC Card is
inserted.
The computer beeps once to
indicate that a PC Card is
recognized but not properly
configured.
Before a new PC Card can be use,
it may be necessary to perform an
initial setup procedure. Follow the
PC Card manufacturer's
instructions for formatting a hard
drive card or installing PC Card-
specific drivers for a network
card.
Storage PC
Card does not
work.
SRAM and flash memory cards
require the memory card driver
to be loaded (turned on).
Memory cards can only be
accessed using DOS real mode
drivers.
You are trying to access the hard
drive card using the wrong drive
letter.
If you are running Windows 98,
change the drive letter
assignment in Device Manager.
The card is not supported. Contact your Compaq authorized
service provider for a list of PC
Cards tested successfully in
Compaq PC Card platforms.
The PC Card is not formatted. For memory cards, run
MCFORMAT in MS-DOS Mode to
format the PC Card. For ATA
cards, run ATAINIT, then run
MCFORMAT in MS-DOS Mode to
format the PC Card.
Power Problems (see also Battery and Battery Gauge Problems)
Problem Probable Cause Solution(s)
Computer will not
turn on.
Battery is discharged and
computer is not connected to a
power source.
● Charge the battery
pack.
● Replace the battery
pack.
● Connect the computer to
an external power
source.
Battery is discharged and cables to
the external power source are
unplugged.
Ensure that cables connecting
the computer and external
power source are plugged
properly.
Computer turned off
while it was left
unattended.
Computer initiated because of a
critical low-battery condition.
● Charge the battery
pack.
● Replace the battery
pack.
● Connect the computer to
an external power
source.
Computer initiated Hibernation
after a user-defined timeout
expired.
Turn on the computer.
Printer Problems
If you experience problems printing, run a printer self-test (refer to the documentation provided with your
printer for instructions). If the self-test fails, it is a printer-specific problem. Also refer to the printing section
of your application documentation.
Problem Probable Cause Solution(s)
Printer will
not turn on.
The signal cable may not be
connected properly, or the
printer is unplugged.
Ensure that the signal cable is properly
connected and that the power cord is
connected to the electrical outlet.
Printer will
not print.
Printer is not turned on or is off
line.
Turn the printer on and set it to on line.
The device drivers for your
application are not installed.
Refer to the printer documentation to
install the correct printer driver.
Printer that is set up for a
network is not connected to the
network.
Connect the printer to the network.
Printer cable is too long,
unshielded, or defective.
Replace the cable.
Paper tray is empty. Fill the paper tray with paper and set
the printer to online.
Printer
prints
garbled
information.
Correct printer drivers are not
installed.
Refer to the printer documentation to
install the correct printer driver.
Cable is not connected properly. Ensure that the printer signal cable is
properly connected to the computer.
Cable is defective. Replace the printer cable and retest.
Touch Pad/Pointing Device Problems
Problem Cause Solution(s)
Touch Pad or
mouse does not
work.
Incorrect or no device driver is
installed.
Install the device driver and
add to the AUTOEXEC.BAT file
or CONFIG.SYS file.
The device driver is not installed in
Windows.
Install the Touch Pad/mouse
driver in Windows.
External mouse
does not work.
Mouse is not securely connected or
is connected to an incorrect external
connector.
Ensure that the mouse is
securely connected to the
appropriate external
connector.
Touch Pad or
mouse does not
work even though
the device is
enabled in
Windows.
Mouse is not enabled.
1. Enter MOUSE at the system
prompt to activate the mouse
device driver.
2. Add a line in the
AUTOEXEC.BAT file to
automatically activate the
mouse device driver each time
computer is turned on or
restarted.
Cable not properly seated in Touch
Pad board.
Reseat cable.
Defective Touch Pad board. Replace Touch Pad board.
Defective system board. Replace system board.
Device driver is not correctly
installed in Windows.
Install the appropriate device
driver in Windows.
Cursor skips or
moves abnormally
when using the
Touch Pad.
The Touch Pad needs to be cleaned. Clean the Touch Pad with a
cloth dampened with alcohol
or an ammonia-based glass
cleaner. Wipe up liquid with a
dry cloth.
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