Maintenance
& Service Guide
Presario 1900 Series
Models: 1905, 1906, 1910, 1915, 1919, 1920, 1922, and 1925
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Page | Notice | Preface | Product
Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery
Pack Operations
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 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 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. |
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. |
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 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. |
Some common causes and solutions for Touch
Pad/pointing device problems are listed in the following table.
Solving 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. |
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 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. |
|