HP 1660 manual Solving Minor Problems, Audio Problems

Page 27
Problem
Diskette drive cannot write to a diskette.
Diskette drive cannot read a diskette.
Cannot boot from diskette.
Battery pack is at end of its life.
You have to set the date RTC battery is dead. and time every time you
turn on the computer.
Battery pack is warm to the touch after charging.
Battery pack operating time is far less than the documented average operating time.
Problem
CD / DVD drive cannot read a compact disc.
Computer battery LED icon (front on the unit) blinks to indicate low battery condition, but computer does not beep.
Volume is turned down too low.

Maintenance & Service Guide

Presario 1660 Model

MSG Index Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

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.

Audio Battery pack Battery gauge

CD/DVD drive Diskette/diskette drive

Display

Hard drive

 

 

Hardware installation Keyboard Memory PC card Power Printer Touchpad/pointing device

Audio Problems

Problem

Probable Cause

Solution(s)

Computer does not beep after the Power-On Self-Test (POST).

This is typical; it indicates successful

No action is

completion of the Power-On Self-Test

required.

(POST).

 

Battery Pack and Battery Gauge Problems (see also Power Problems)

Problem

Probable Cause

Solution(s)

Computer won't turn on

Battery pack is discharged.

1. Connect the computer to an external power source and

when battery pack is

 

charge the battery pack.

inserted and power cord

 

 

 

is unplugged.

 

2. Replace the battery pack with a fully charged battery

 

 

 

 

pack.

 

 

Battery connectors may be bent

Check the battery connectors on the system board to

 

or broken.

verify they are evenly spaced and that they are not bent

 

 

or broken.

Computer is beeping

Battery charge is low.

Immediately save any open file(s). Then either:

and battery LED icon is

 

 

 

blinking.

 

●

Connect the computer to an external power source

 

 

 

 

 

to charge the battery pack, or

 

 

●

Turn off the computer or initiate Hibernation until

 

 

 

you can find another power source or charge the

 

 

 

battery pack.

Adjust the volume.

Battery LED icon doesn't Battery pack is already charged.

No action is necessary.

light and battery pack

Battery pack was exposed to

Allow time for the battery pack to return to room

won't fast charge.

temperature extremes.

temperature.

 

Replace battery pack.

Replace the RTC battery.

Normal warming has occurred due No action is required. to charging.

Power management is turned off or disabled.

An external device or PC Card is draining the battery.

Battery pack has partially self- discharged.

Battery pack is being exposed to high temperatures or extremely cold temperatures.

Enable power management in Computer Setup and in Windows Power Properties.

Turn off or disconnect external devices when not using them.

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.

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.

CD/DVD Drive Problems

Probable Cause

Solution(s)

Compact disc is upside down or is improperly inserted in the CD / DVD drive.

Open the CD / DVD loading tray, lay the compact disc in it (label side up), then close the tray.

Trying to read a CD Plus orNone - these types of CD are unreadable with this Pregap/Track 0 type disc with a 24x CD- drive.

ROM drive.

Diskette and Diskette Drive Problems

Probable Cause

Diskette is write-protected.

Computer is writing to the wrong drive.

Not enough space is left on the diskette.

Drive error has occurred. Diskette is not formatted.

The wrong type of diskette is being used.

Diskette has a bad sector.

Drive error has occurred. Diskette is not formatted.

Bootable diskette is not in drive A.

Diskette Boot has incorrect setting in Computer Setup.

Solution(s)

Disable the diskette's write-protect feature or use a diskette that is not write-protected.

Check the drive letter in the path statement.

Use another diskette.

Run Computer Checkup from the Compaq Diagnostics diskette.

Format the diskette. At the system prompt, enter

FORMAT A:

Use the type of diskette required by the drive.

Copy files to hard drive or another diskette. Reformat bad floppy.

Run Computer Checkup from the Compaq Diagnostics diskette.

Format the diskette. At the system prompt, enter

FORMAT A:

Put the bootable diskette in drive A.

Run Computer Setup and set diskette as first to boot.

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Contents Maintenance & Service Guide Presario 1660 Model Maintenance & Service GuidePreface SymbolsCompaq Product DescriptionFollow the Preliminary Steps TroubleshootingIllustrated Parts Catalog Serial Number Location Removal and Replacement ProceduresParallel Connector Pin Signal Connector Pin AssignmentsIncreasing Battery Pack Operating Time Battery Pack Operating TimeModels and Features Controls and Lights Front Bezel Buttons Front Bezel Lights Left Side Components Right Side Components Bottom of Unit Rear Connectors Power Management Settings Power Management for WindowsRun Computer Checkup Preliminary StepsClearing the Power-on Password Running Post Power-On Self Test PostComputer Setup Compaq DiagnosticsShipping Preparation Contacting Compaq SupportProcedures Diagnostic Error CodesHard Drive Test Error Codes Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsAudio Problems Solving Minor ProblemsDisplay Problems Solving Minor ProblemsSolving Minor Problems Illustrated Parts Catalog Illustrated Parts Catalog Illustrated Parts Catalog Removal and Replacement Procedures Generating Static Electrostatic DischargeService Considerations Cables and Connectors ZIF Connectors Back to Cables Connectors Back to Cables and Connectors Ribbon cable position for the diskette drive Back to Cables Connectors Preparing the Computer for Disassembly Removing the Battery Pack Return to Removal Replacement Procedures Prepare the computer for disassembly Removing the Palmrest AssemblyRemoving the Palmrest Assembly Removing the Palmrest Assembly Removing the Keyboard and Heatspreader Next step Return to Removal Replacement Procedures To reinsert the processor Removing the ProcessorRemoving the Hard Drive Removing the mounting bracket Bracket, reverse the previous steps Removing the Upper CPU Cover Removing the DVD Drive Removing the DVD Drive Removing the Battery Charger Board Removing the Modem To replace the modem, reverse the previous steps Removing the Display Panel Assembly Slide the cable out of the connector cable guide Removing the Display Panel Assembly Removing the Display Panel Assembly Return to Removal Replacement Procedures Removing the Speaker Assembly Speakers Removing the Diskette DriveReturn to Removal & Replacement Procedures Removing the Fan Assembly Removing the System Board Return to Removal Replacement Procedures Remove the two long standoff nuts from the system board Removing the System Board Remove four screws from the system board Removing the System Board Return to Removal & Replacement Procedures Removing the Memory Module Return to Removal Replacement Procedures Physical and Environmental SpecificationsSystem I/O Address SpecificationsDiskette Drive Illustrated Parts Catalog Illustrated Parts Catalog AC Power Cord Miscellaneous Hardware Kit Spare Part Number Other parts not shown Description
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