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Maintenance & Service Guide
Presario 305 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 (continued)

 

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 Infrared
USB Modem

 

PC Card Problems

Problem Probable Cause Solution(s)
Computer does not beep when a PC Card is inserted. PC Card is not inserted properly. Ensure the card is inserted in the correct orientation. Insert the card gently to prevent damage to the pins.

Double-click the PC Card icon in the Control Panel, click the Global Settings tab, the enable PC Card sound effects.

Speakers are turned off or volume is turned down. Adjust the volume control on the computer.
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.

PC Card or card driver is not PCMCIA compliant. Contact your Compaq authorized service provider for a list of PC Cards tested successfully in Compaq PC Card platforms.
Network PC Card does not work. Necessary drivers are not installed (turned on). Refer to the instructions that came with the PC Card or contact the vendor for information on installing the correct drivers.
PC Card is not fully inserted or is upside down. Ensure the PC Card is inserted correctly.
Network PC Card or card driver is not PCMCIA compliant. Contact your Compaq authorized service provider for a list of PC Cards tested successfully in Compaq PC Card platforms
Computer beeps only once when a PC Card is inserted. The computer beeps once to indicate that a PC Card is recognized but not properly configured. Before a new PC Card can be use, it may be necessary to perform an initial setup procedure. Follow the PC Card manufacturer's instructions for formatting a hard drive card or installing PC Card-specific drivers for a network card.
Storage   PC Card does not work. SRAM and flash memory cards require the memory card driver to be loaded (turned on). Memory cards can only be accessed using DOS real mode drivers.
You are trying to access the hard drive card using the wrong drive letter. If you are running Windows 98, change the drive letter assignment in Device Manager.
The card is not supported. Contact your Compaq authorized service provider for a list of PC Cards tested successfully in Compaq PC Card platforms.
The PC Card is not formatted. For memory cards, run MCFORMAT in MS-DOS Mode to format the PC Card. For ATA cards, run ATAINIT, then run MCFORMAT in MS-DOS Mode to format the PC Card.

 

 

Power Problems (see also Battery and Battery Gauge Problems)

Problem

Probable Cause

Solution(s)
Computer will not turn on. Battery is discharged and computer is not connected to a power source.
  • Charge the battery pack.
  • Replace the battery pack.
  • Connect the computer to an external power source.
Battery is discharged and cables to the external power source are unplugged. Ensure that cables connecting the computer and external power source are plugged properly.
Computer turned off while it was left unattended. Computer initiated because of a critical low-battery condition.
  • Charge the battery pack.
  • Replace the battery pack.
  • Connect the computer to an external power source.
Computer initiated Hibernation after a user-defined timeout expired. Turn on the computer.

 

 

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 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.

 

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.

 

1. Enter MOUSE at the system prompt to activate the mouse device driver.

2. 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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