HP 500 manual Display

Models: 500

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Symptom

Call Center:

Repair Center:

Repair Center:

 

Suggestions

Likely Causes

Comments

Main battery does

Check the power source.

Battery or contacts.

Check the main battery and

not charge.

Make sure the main battery is

AC adapter.

AC adapter.

 

installed properly.

Motherboard.

Check the heatsink/fan.

 

Check the battery contacts. If

Heatsink/fan.

 

 

available, try another battery

 

 

 

and AC adapter.

 

 

 

Move the computer away

 

 

 

from any heat source. Unplug

 

 

 

the AC adapter and let the

 

 

 

battery cool down. Check for

 

 

 

blocked air vents.

 

 

Secondary battery

Make sure the main battery is

Secondary battery

Check the secondary battery

module does not

fully charged. If not, the

module.

and AC adapter.

charge.

secondary battery will not

Expansion base.

 

 

charge.

 

 

 

Check the power source.

 

 

 

Make sure the secondary

 

 

 

battery is installed properly.

 

 

Time Remaining

The Time Remaining is an

 

 

indicator is

estimate based on how much

 

 

inaccurate.

power the computer is using

 

 

 

at the moment. The estimate

 

 

 

therefore depends on the

 

 

 

current task, and assumes

 

 

 

that power will be used at the

 

 

 

same rate until the battery

 

 

 

runs out. So, for example, if

 

 

 

the computer is performing a

 

 

 

task requiring a good deal of

 

 

 

power (such as reading from

 

 

 

a CD or DVD), the value will

 

 

 

probably show too little time

 

 

 

remaining.

 

 

Display

 

 

 

Dark display, no

Adjust the display brightness.

Display cable

Reprogram the EEPROM—

light.

Press Fn+F5 several times.

connection.

see page 2-20.

 

Try an external monitor.

Display assembly.

Check the cable connection.

 

If the display is extremely

Motherboard.

Replace the display

 

cold, it will show completely

 

assembly.

 

dark. If this happens, allow

 

If an external monitor

 

the computer to gradually

 

displays no image, replace

 

warm to room temperature.

 

the motherboard.

White display.

Adjust display brightness.

Display assembly.

 

 

 

Motherboard.

 

Erratic display.

 

Display cable

Check the display cable

 

 

connection.

connection.

 

 

Display assembly.

 

 

 

Motherboard.

 

Bright or missing

See quality statement on

Display cable

Check the display cable

pixels or lines.

page 5-2.

connection.

connection.

 

 

Display assembly.

See the quality statement on

 

 

 

page 5-2.

HP Omnibook 500

Troubleshooting and Diagnostics

3-9

Page 71
Image 71
HP 500 manual Display

500 specifications

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