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
Models & Features
Models and 
Features
Front Of 
Unit
Left Side
Components
Right Side 
Components
Bottom Of 
Unit
Models
This table lists the relevant features of Compaq Presario 
Series Portable Computers.
 Model 1625Model 1635Model 1640
Display 12.1HPA  12.1 TFT 12.1 TFT
Processor AMD K6 266 MMX
233 MMX266 MMX
Hard Drives 3.2 GB3.2 GB 4 GB
Speaker 
Assembly JBL ProJBL Pro
JBL Pro
Modem K-56K D/FM++ 56K D/F K-56 K D/F
Features
All models of the computer have the following features: 
l     1.44-MB, 3.5-inch diskette drive
l     Built-in 24× CD drive 
l     Ported stereo speakers
l     TouchPad
l     Easy Access CD Control Buttons
l     91-key (Three Windows 95 keys, 12 function keys) keyboard
l     External AC adapter
l     PC Card slots capable of handling one of the following card 
combinations:
Two Type I or Type II PC cards
One Type III PC card
l     Battery power management features include the following:
- Advanced Power Management (APM)
- Suspend mode
- Screen save
- Hibernation 
l     Password security 
l     Preinstalled software: Windows 95 OSR 2.5 or Windows 98
 
 
 
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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
Front of Unit
Models and 
Features
Front Of 
Unit
Left Side
Components
Right Side 
Components
Bottom Of 
Unit
Front of Unit Front of Unit
1. Display
9. CD 
Previous 
Track
2. Power 
(On/Off) 
Button 10. CD 
Next 
Track
3. 
DisqPlay 
Switch 11. 
Keyboard
4. Volume 
Control 
Down 
Button 12. Touch 
Pad
5. Volume 
Control Up 
Button  13. Left 
Touch Pad 
Button 
6. Status 
Panel 14. Right 
Touch Pad 
Button
7. CD 
Play/Pause 15. 
Integrated 
Speakers
8. CD 
Stop
  
 
 
 
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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
Left Side Components
Models and 
Features
Front Of 
Unit
Left Side
Components
Right Side 
Components
Bottom Of 
Unit
Left Side ComponentsLeft Side Components
1. 
Modem/Phone 
Jack  4. Battery 
Compartment
2. Diskette 
Drive Slot 5. Left 
Speaker Port
3. Diskette 
Eject Button 
 
 
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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
Right Side Components 
Models and 
Features
Front Of 
Unit
Left Side
Components
Right Side 
Components
Bottom Of 
Unit
Right Side ComponentsRight Side 
Components
1. 
Headphone/ 
Line-Out 
Jack 6. CD 
Drive 
Eject 
Button
2. Line-in 
Jack 7. PC 
Card 
Top 
Slot
3. External 
Microphone 
Jack 8. PC 
Card 
Bottom 
Slot 
4. CD Drive 9. PC 
Card 
Eject 
Levers
5. CD Drive 
Light 10. 
Right 
Speaker 
Port
 
 
 
 
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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
Bottom Of Unit
Models and 
Features
Front Of 
Unit
Left Side
Components
Right Side 
Components
Bottom Of 
Unit
Bottom of UnitBottom of 
Unit
1.Memory 
Compartment
2. Feet
 
 
 
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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
Diagnostic
Preliminary Steps
Before running POST, complete the following preliminary steps:
1. If a power-on password has been established, type the password and pr\
ess 
the Enter key.  If the password is not known, 
clear the password.
2. Run Computer Setup.
3. Adjust the brightness and contrast.
4. Turn off the computer and its external devices.
Disconnect any external devices that you do not want to test. Do not 
disconnect the printer if you want to test it or use it to log error mes\
sages. 
NOTE: If the problem only occurs when an external device is connected to the c\
omputer, the 
problem may be related to the external device or its cable. Verify this \
by running 
POST with and without the external device connected.
6. Install loopback plugs in the serial and parallel connectors if you w\
ould like 
to test these ports.
7. Ensure the hard drive is installed in the computer.
8. Ensure that the battery pack is inserted in the computer and the comp\
uter 
is connected to an external AC power source.
When the preliminary steps are completed, you are ready to run 
POST.
Clearing the Power-On Password
Clearing the power-on password requires removing all Setup attributes th\
at 
are programmed in the CMOS. If the password is not known, clear it by 
performing the following steps:
1. Turn off the computer.
2. Disconnect the power cord.
3. 
Remove the battery pack.
4. 
Remove the keyboard.
5. Remove the RTC battery (1)  for 30 seconds as shown below. The 
password, together with other Setup attributes, will be cleared.
Clearing the Power-On Password
6. Turn the computer on to verify  the power-on password has been cleare\
d. 
If it has not been cleared, repeat these steps.
 
 
 
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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 On Self Test (POST)
Running POST
To run POST, complete the following steps:
Turn off the computer.  Let stand for a 10 count, then turn the computer\
 back 
on.
If POST does not detect any errors, the computer will not beep. This ind\
icates 
successful completion of POST test. POST has run successfully and boots \
from 
the hard drive (or from a bootable diskette if one is installed in the \
diskette 
drive).
If POST detects errors, the errors are indicated by screen and/or audibl\
e 
messages. Refer to 
Power-On Self-Test (POST) Codes for a list of POST 
codes and their relevant descriptions.
NOTE:  If the system is not functioning well enough to run POST, or if the disp\
lay is not 
functioning well enough to show POST error messages, refer to the Troubl\
eshooting 
tables.
 
Power-On Self-Test Messages
102 162 301 304 601 605 1780 1782
Probable Cause Recommended Action
102-System Board Failure
DMA, timers, etc. Replace the system board.
162-System Options Not Set
Configuration incorrect Run Computer Setup.
CMOS reflects that an invalid
configuration has been set. Run Computer Setup.
RAM failure 1. Replace the memory modules.
2. Replace the system board.
Memory test data error 1. Replace the memory modules.
2. Replace the system board.
XX000YZZ RAM failure Replace the system board.
301-Keyboard Error
Keyboard failure 1. Ensure the keys are not depressed 
during POST.
2. Reconnect the keyboard with the 
computer off.
3. Replace the keyboard.
304-Keyboard or System Unit Error
Keyboard or system board error 1. Replace the keyboard.
2. Replace the TouchPad or mouse.
3. Replace the system board.
601-Diskette Controller Error
Mismatch in drive type or failure in the 
diskette controller 1. Run Computer Checkup (TEST).
2. Check and/or replace cables.
3. Replace the system board.
605-Diskette Drive Error
Mismatch in drive type Run Computer Setup.
1780-Primary Hard Drive 0 Failure
Disk 0 failed to respond 1. Run Computer Checkup (TEST).
2. Replace the hard drive.
Hard drive format error 1. Run Computer Checkup (TEST).
2. Replace the hard drive.
1782-Hard Drive Controller
Hard drive controller failure 1. Run Computer Setup.
2. Replace the hard drive.
Back to top 
 
 
 
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
Troubleshooting Without Diagnostics
This section provides information about how to identify and correct some\
 
common hardware, memory, and software problems. It also explains several\
 
types of common messages that may be displayed on the screen. The 
following pages contain troubleshooting information on:
AudioMemory
Battery/Battery gaugePC Card 
CD drive Power
Diskette/Diskette drivePrinter
DisplayTouch Pad
Hard driveKeyboard/Numeric keypad
Hardware Installation
Since symptoms can appear to be similar, carefully match the symptoms of\
 
the computer malfunction against the problem description in the 
Troubleshooting tables to avoid a misdiagnosis.
WARNING:  To avoid a potential shock hazard during troubleshooting procedures, 
disconnect all power sources before removing the keyboard cover or the d\
isplay 
bezel.
Before Replacing Parts
When troubleshooting a problem, check the following list for possible 
solutions before replacing parts: 
l     Verify that cables are connected properly to the suspected defective par\
ts.
l     Run Computer Setup after connecting external devices.
l     Verify that all required device drivers are installed.
l     Verify that all required changes have been made to the CONFIG.SYS file.
l     Verify that all required changes have been made to the AUTOEXEC.BAT file.
l     Verify that all printer drivers have been installed for each application\
.
 
 
 
privacy statement
legal notices 
						

							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
Keyboard 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 Keyboard/Numeric Keypad Problems
Some common causes and solutions for keyboard/numeric keypad problems 
are listed in the following table.
Solving Keyboard/Numeric Keypad Problems
Problem Probable Cause Solution(s)
Embedded numeric keypad on 
computer keyboard is disabled. Num Lock function is not 
enabled.Press the Shift+NumLk keys 
to enable the Num Lock 
function and embedded 
numeric keypad. The Num 
Lock icon on the status panel 
turns on.
Embedded numeric keypad is 
disabled and Num Lock 
function is on. External numeric keypad is 
connected to the computer.
Disconnect the external 
numeric keypad from the 
computer.
Back to Troubleshooting Without Diagnostics 
 
 
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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
Hard Drive 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 Hard Drive Problems
Some common causes and solutions for hard drive problems are listed in t\
he 
following table.
CAUTION:  To prevent loss of information, always maintain an up-to-date backup o\
f 
your hard drive at all times, in case of errors or failures.
 
Solving Hard Drive Problems
Problem Probable Cause Solution(s)
Reading hard drive takes an 
unusually long time after 
restarting the computer. System entered Hibernation 
due to low battery condition 
and is now exiting from it.Give the system time to 
restore the previously saved 
data to its exact state before 
Hibernation.
Hard drive error occurs. Hard drive has bad sectors or 
has failed.Run Computer Checkup.
Hard drive does not work. Hard drive is not seated 
properly.Turn off and unplug the 
computer, remove the battery 
pack, and remove and then 
reinstall the hard drive.
  Back to Troubleshooting Without Diagnostics 
 
 
 
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