Solving Pc Card Problems; Solving Power Problems; Solving Printer Problems - Compaq 1200US - Presario - Celeron 800 MHz Maintenance And Service Manual

Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252
| Home Page
Illustrated Parts Catalog

Solving PC Card Problems

Some common causes and solutions for PC Card problems are listed in the following table.
Problem
When turned on, the computer
does not beep when a PC Card
is inserted.
PC Card modem, fax, or
network card does not work.
PC Card modem or fax card
does not work.
Modem network PC Card
does not work.
Memory or storage card
does not work.

Solving Power Problems

Also see "Solving Battery and Battery Gauge Problems" in this section.
Problem
Computer won't turn on and
battery pack is not inserted.
Computer turned off while it was
left unattended and the power icon
is off.

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.
Problem
Printer will not turn on.
Printer will not print.
Printer prints garbled information.
Solving Touch Pad/Pointing Device Problems
Some common causes and solutions for Touch Pad/pointing device problems are listed in the
following table.
Problem
Touch Pad or mouse does not work. Incorrect or no device driver
External mouse does not work.
Touch Pad or mouse does not work
even though the device is enabled
in Windows.
Cursor skips or moves abnormally
when using the Touch Pad.
Maintenance & Service Guide
Presario 1200 Series
| Notice | Preface
| Removal & Replacement Procedures
Pin Assignments
Solving PC Card Problems
Probable Cause
Card is not inserted properly.
PC Card beeps are disabled.
Speaker is turned off or
volume is turned down.
PC Card drivers are not
installed.
Card or card driver is not
supported.
Card is not fully inserted into
the slot or is not inserted
properly.
Telephone cord is not
plugged in all the way.
Necessary drivers are not
installed (turned on).
You are trying to access the
card using the wrong COM
port.
The card conflicts with a
serial device.
The card is not supported.
Network driver is not installed or is
not set up properly.
Telephone cord is not properly
connected.
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.
You are trying to access the hard
drive card using the wrong drive
letter.
Solving Power Problems
Probable Cause
Computer is not connected to
a power source.
Power cords to the external
power source are unplugged.
Power adapter is defective.
System board is defective.
System initiated Hibernation
due to a critical low-battery
condition.
System initiated Hibernation
after a preset timeout.
Solving Printer Problems
Probable Cause
The signal cable may not be
connected properly, or the
printer is unplugged.
Printer is not turned on or is
off line.
The device drivers for your
application are not installed.
Printer that is set up for a
network is not connected to
the network.
Printer cable is too long,
unshielded, or defective.
Paper tray is empty.
Correct printer drivers
are not installed.
Cable is not
connected properly.
Cable is defective.
Solving Touch Pad/Pointing Device Problems
Cause
is installed.
The device driver is not
installed in Windows.
Mouse is not securely
connected or is connected to
an incorrect external
connector.
Mouse is not enabled.
Cable not properly seated in
Touch Pad board.
Defective Touch Pad board.
Defective system board.
Device driver is not correctly
installed in Windows.
The Touch Pad needs to be
cleaned.
| Product Description
| Battery Pack Operations
The card is not
supported.
| Troubleshooting
| Specifications
Solution(s)
Ensure 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.
Press volume buttons to
turn the speaker on, then
increase the volume.
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.
Contact your Compaq
authorized service provider
for a list of PC Cards tested
successfully in Compaq PC
Card platforms.
Ensure the card is inserted
in the correct orientation.
Check and secure telephone
connection.
Install drivers.
See Specifications
COM port.
See Specifications
address.
Use supported cards only.
Install driver.
Verify telephone
connection.
Install driver.
Double-click My
Computer to verify
the drive letter
assigned to the card.
Contact your
Compaq authorized
service provider for a
list of PC Cards
tested successfully in
Compaq PC Card
platforms.
Solution(s)
Insert battery or connect
an external power source.
Ensure that power cords
connecting the computer
and the external power
source are plugged in
properly.
Replace AC Adapter and
restart.
Replace the system board.
Replace the battery pack
with a fully charged
battery pack or connect
the computer to an
external power source.
Then turn on the
computer.
Turn on the computer.
Solution(s)
Ensure that the signal
cable is properly
connected and that the
power cord is connected to
the electrical outlet.
Turn the printer on and set
it to on line.
Refer to the printer
documentation to install
the correct printer driver.
Connect the printer to the
network.
Replace the cable.
Fill the paper tray with
paper and set the printer
to online.
Refer to the printer
documentation to install
the correct printer driver.
Ensure that the printer
signal cable is properly
connected to the
computer.
Replace the printer cable
and retest.
Solution(s)
Install the device driver
and add to the
AUTOEXEC.BAT file or
CONFIG.SYS file.
Install the Touch
Pad/mouse driver in
Windows.
Ensure that the mouse is
securely connected to the
appropriate external
connector.
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.
Reseat cable.
Replace Touch Pad board.
Replace system board.
Install the appropriate
device driver in Windows.
Clean the Touch Pad with
a cloth dampened with
alcohol or an ammonia-
based glass cleaner. Wipe
up liquid with a dry cloth.
to verify
to verify