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Maintenance & Service Guide
Presario 1800 Series
Models: 1825 and 1800T
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Solving PC Card Problems
Some common causes and solutions for PC Card problems are listed in the following table.
Solving PC Card Problems
Problem Probable Cause Solution(s)
When turned on, the computer
does not beep when a PC Card is
inserted.
Card is not inserted properly.
PC Card beeps are disabled.
Ensure that the card is inserted in
the correct orientation.
Double-click the PC Card icon in the
Control Panel, click the Global
Settings tab, the enable PC Card
sound effects.
Speaker is turned off or volume is
turned down.
Press volume buttons to turn the
speaker on, then increase the
volume.
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.
Card or card driver is not
supported.
Contact your Compaq authorized
service provider for a list of PC
Cards tested successfully in Compaq
PC Card platforms.
PC Card modem, fax, or network
card does not work.
Card is not fully inserted into the
slot or is not inserted properly.
Ensure that the card is inserted in
the correct orientation.
Telephone cord is not plugged in
all the way.
Check and secure telephone
connection.
Necessary drivers are not
installed (turned on).
Install drivers.
PC Card modem or fax card does
not work.
You are trying to access the card
using the wrong COM port.
See
Specifications to verify COM
port.
The card conflicts with a serial
device.
See
Specifications to verify address.
The card is not supported. Use supported cards only.
Modem network PC Card does not
work.
Network driver is not installed or
is not set up properly.
Install driver.
Telephone cord is not properly
connected.
Verify telephone connection.
Memory or storage card does
not work.
SRAM and flash memory cards
require the memory card driver
to be loaded (turned on).
Flash memory cards require the
Microsoft FlashFile System to
be loaded.
Hard drives on flash
mass storage cards require the
PC Card ATA driver to be loaded.
Install driver.
You are trying to access the hard
drive card using the wrong drive
letter.
Double-click My Computer to
verify the drive letter assigned to
the card.
The card is not supported. Contact your Compaq authorized
service provider for a list of PC
Cards tested successfully in
Compaq PC Card platforms.
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Solving Power Problems
Also see "Solving Battery and Battery Gauge Problems" in this section.
Solving Power Problems
Problem Probable Cause Solution(s)
Computer won't turn on and
battery pack is not inserted.
Computer is not connected to a
power source.
Power cords to the external
power source are unplugged.
Insert battery or connect an
external power source.
Ensure that power cords connecting
the computer and the external
power source are plugged in
properly.
Power adapter is defective. Replace AC Adapter and restart.
Computer turned off while it was
left unattended and the power icon
is off.
System board is defective. Replace the system board.
System initiated Hibernation due
to a critical low-battery
condition.
Replace the battery pack with a fully
charged battery pack or connect the
computer to an external power
source. Then turn on the computer.
System initiated Hibernation
after a preset timeout.
Turn on the computer.
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Solving 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.
Solving Printer Problems
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
offline.
Turn the printer on and set it to
online.
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.
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Solving TouchPad/Pointing Device Problems
Some common causes and solutions for TouchPad/pointing device problems are listed in the following table.
Solving Touch Pad/Pointing Device Problems
Problem Cause Solution(s)
TouchPad 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 TouchPad/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.
TouchPad or mouse does not work
even though the device is enabled
in Windows.
Mouse is not enabled. Enter MOUSE at the system prompt
to activate the mouse device driver.
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
TouchPad board.
Reseat cable.
Defective TouchPad board. Replace TouchPad 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 TouchPad.
The TouchPad needs to be
cleaned.
Clean the TouchPad with a cloth
dampened with alcohol or an
ammonia-based glass cleaner. Wipe
up liquid with a dry cloth.
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