Compaq Presario1600.series User Manual

							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Diskette Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
Some common causes and solutions for diskette and diskette drive problem\
s 
are listed below.
Solving Diskette and Diskette Drive Problems
Problem Probable Cause Solution(s)
Diskette drive cannot write to a 
diskette. Diskette is write-protected.
Disable the diskettes write-
protect feature or use a 
diskette that is not write-
protected.
Computer is writing to 
the wrong drive. Check the drive letter in the 
path statement.
Not enough space is left 
on the diskette. Use another diskette. 
Drive error has occurred. Run Computer Checkup from 
the Compaq Diagnostics 
diskette.
Diskette is not formatted. Format the diskette. At 
the system prompt, enter
FORMAT A:
Diskette drive cannot read a 
diskette. The wrong type of diskette is 
being used.Use the type of diskette 
required by the drive.
Diskette has a bad sector. Copy files to hard drive or 
another diskette. Reformat 
bad floppy.
Drive error has occurred. Run Computer Checkup from 
the Compaq Diagnostics 
diskette.
Diskette is not formatted. Format the diskette. At the 
system prompt, enter FORMAT 
A:
The floppy controller is 
disabled in F10 Setup Re-enable the floppy controller 
in F10 Setup
Cannot boot from diskette. Bootable diskette is not in 
drive A.Put the bootable diskette in 
drive A. 
Diskette Boot has incorrect 
setting in Computer Setup.  Run Computer Setup and set 
diskette as first to boot.
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Solving Audio Problems
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
Some common audio problems and solutions are listed in the following tab\
le.
Solving Audio Problems
Problem Probable Cause Solution(s)
Computer does not beep after 
the Power-On Self-Test 
(POST). This is typical; it indicates 
successful completion of the 
Power-On Self-Test (POST).No action is required.
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Battery Pack
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.
Solving Battery Pack and Battery Gauge Problems
Some common causes and solutions for battery pack problems are listed 
below.  The 
Solving Power Problems section in this chapter may also be 
useful.
Solving Battery Pack and Battery Gauge Problems
Problem Probable Cause Solution(s)
Computer wont turn on when 
battery pack is inserted and 
power cord is unplugged. Battery pack is discharged.
Connect the computer to an 
external power source and 
charge the battery pack.
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.
Computer is beeping 
and battery icon on the LCD 
status display is blinking. Battery charge is low.
Immediately save any open 
file(s). Then do one of the 
following: 
n     Connect the computer to 
an external power 
source to charge the 
battery pack.
n     Turn off the computer or 
initiate Hibernation until 
you can find another 
power source or charge 
the battery pack.
Computer battery icon on the 
LCD status display blinks to 
indicate low battery condition, 
but computer does not beep. Volume is turned down too 
low.
Adjust the volume. 
Battery icon doesnt light and 
battery pack wont fast charge. Battery pack is already 
charged No action is necessary
Battery pack was exposed to 
temperature extremes. Allow time for the battery pack 
to return to room temperature.
Battery pack is at end of its 
life. Replace battery pack.
You have to set the date and 
time every time you turn on 
the computer. RTC battery is dead.
Replace the RTC battery. 
Battery charge does not last as 
long as expected. Battery is being exposed to 
high temperatures or 
extremely cold temperatures. Keep the battery pack within 
the recommended operating 
temperature range 50° F to 
104° F (10° C to 40° C) or 
recommended storage range -
4° F to 86° F (-20° C to 30° C 
). Recharge the battery pack.
Battery has partially self-
discharged. Recharge the battery. 
Discharge the battery 
completely and then recharge 
it.
Power management is 
disabled. Set a power management level 
in Computer Setup. 
An external device or PC Card 
is draining the battery. Turn off or disconnect external 
devices when not using them.
Battery pack is warm to the 
touch after charging. Normal warming has occurred 
due to charging. No action is required.
Battery pack operating time is 
far less than the documented 
average operating time. Power management is turned 
off or disabled.
Enable power management in 
Computer Setup and in 
Windows Power Properties. 
An external device or PC Card 
is draining the battery. Turn off or disconnect external 
devices when not using them.
Battery pack has partially self-
discharged. 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.
Battery pack is being exposed 
to high temperatures or 
extremely cold temperatures. 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.
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Power Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
Solving Power Problems
Also see Solving Battery and Battery Gauge Problems.
Solving Power Problems
Problem Probable Cause Solution(s)
Computer wont 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.
The computer doesnt timeout 
while on AC power The system is designed not 
to timeout while on AC 
power.Windows will spin down the 
hard drive.   Windows can be 
configured to power off the 
monitor using the display 
properties control panel 
applet.  Alternatively, the 
user can change BIOS-PM 
on AC in the BIOS setup.
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.
* In rare cases, it may be necessary to remove the power cord and the 
battery, wait 30 seconds, and reinsert the power cord to power on the un\
it. 
The above steps reset the keyboard controller which is usually always 
powered, even when the computer appears to be off. 
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
CD Drive Solutions
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.
Solving CD Drive Problems
Some common causes and solutions for CD drive problems are listed in the\
 
following table.
Solving CD Drive Problems
Problem Probable Cause Solution(s)
CD drive cannot read a 
compact disc. Compact disc is upside down 
or is improperly inserted in 
the CD drive.Open the CD loading tray, lay 
the compact disc in it (label 
side up), then close the tray.
CD is CD Plus or 
Pregap/Track 0 type. Cannot read these type CDs in 
24× CD drive. Remove the CD.
No CDs work at all. The Performance tab in 
System properties shows that 
one or more of the hard disks 
in your computer is using MS-
DOS Compatibility mode.If the driver name listed as 
causing MS-DOS Compatibility 
mode is MBRINT13.SYS, your 
computer may be infected with 
a boot-sector virus.  Please 
purchase a virus scanning 
software package (consult your 
local software retailer for 
recommendations) to check 
your system.  If the application 
you purchase successfully 
eliminates the virus, scan 
(check) all of your diskettes 
before re-installing to prevent 
further contamination.
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Hardware Installation Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
Solving Hardware Installation Problems
Some common causes and solutions for hardware installation problems are \
listed here.
Solving Hardware Installation Problems
Problem Probable Cause Solutions(s)
A new device is not recognized 
as part of the computer system. Cable(s) of new external 
device are loose or 
power cables are unplugged.Ensure that all cables are 
properly and securely 
connected.
Power switch of new external 
device is not turned on. Turn off the computer, turn on 
the external device, then turn 
on the computer to integrate 
the device with the computer 
system.
Device is not seated properly. Turn off the computer and 
reinsert the device.
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Memory Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
Solving Memory Problems
Some common causes and solutions for memory problems are listed in the 
following table.
Solving Memory Problems
Problem Probable Cause Solution(s)
Memory count during Power-
On Self-Test (POST) is 
incorrect. Optional memory expansion 
card is installed incorrectly, 
is incompatible with 
the computer, or is defective.Ensure that the optional 
memory expansion card is 
installed correctly.
Out of Memory message is 
displayed on the screen or 
insufficient memory 
error occurs during operation. System ran out of memory for 
the application.
Check the application 
documentation for memory 
requirements.
Install additional memory.
Too many TSR (terminate-and 
stay-resident) applications are 
running. Remove from memory any TSR 
applications that you do not 
need.
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
PC Card Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
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.
Ensure the card is inserted in 
the correct orientation.
PC Card beeps are disabled. 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 Chapter 6 to verify COM 
port.
The card conflicts with a serial 
device. See Chapter 6 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.
* To use two 16-bit PC Cards, an IRQ must be freed by disabling a device\
 such as the parallel 
port, serial port, or audio controller. By default, only one free IRQ is\
 available. Most 16-bit PC 
Cards require one free ISA interrupt.
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privacy statement
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Printer Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
Solving Printer Problems
If you experience problems printing, run a printer self-test. Refer to t\
he 
documentation provided with your printer for instructions. If the self-t\
est 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.
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							United States     January 2, 2003 
 
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Touch Pad Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.   If the 
problem appears related to a software application, check the documentati\
on 
provided with the software.
Solving Touch Pad/Pointing Device Problems
Some common causes and solutions for Touch Pad/pointing device problems \
are listed in the following table.
Solving Touch Pad/Pointing Device Problems
Problem CauseSolution(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 SYNTOUCH.COM  at 
the system prompt to 
activate the mouse device 
driver.(C:\WINDOWS\
DOSSTART.BAT)
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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