"Compaq.com - Compaq Presario 1600 Series Maintenance and Service Guide - Models: 1650 and 1655

Hard drive error occurs.Hard drive does not work.
Hard drive has bad sectors or has failed.Hard drive is not seated properly.
Run Computer Checkup.

Turn off and unplug the computer, remove the battery pack, and remove and then reinstall the hard drive.

Solving Hardware Installation Problems

Some common causes and solutions for hardware installation problems are listed in the following table.

Solving Hardware Installation Problems

Problem

 

Probable Cause

 

Solutions(s)

 

 

 

 

 

A new device is not recognized as part

 

Cable(s) of new external device are

 

Ensure that all cables are properly
of the computer system.

 

loose or power cables are

 

and securely connected.

 

 

unplugged.

 

 

 

 

 

 

 

 

 

Power switch of new external device

 

Turn off the computer, turn on the

 

 

is not turned on.

 

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.

 

 

 

 

 

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

 

Num Lock function is not enabled.

 

Press the Shift+NumLk keys to
keyboard is disabled.

 

 

 

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

 

External numeric keypad is

 

Disconnect the external numeric
Num Lock function is on.

 

connected to the computer.

 

keypad from the computer.

 

 

 

 

 

Solving Memory Problems

Some common causes and solutions for memory problems are listed in the following table.

 

Solving MemoryProblems

 

 

 

 

 

 

Problem

 

Probable Cause

 

 

Solution(s)

 

 

 

 

 

 

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