PORTÉGÉ M780

Battery

If you suspect a problem with the battery, you should check the status of the DC IN indicator as well as the Battery indicator. Please refer to Chapter 6, Power and Power-Up Modes, for more information on these indicators, together with general battery operation.

Problem

Procedure

Battery doesn’t

The battery may be discharged - connect the AC

power the computer

adaptor to recharge the battery.

Battery doesn’t

If the battery is completely discharged, it will not

charge when the

begin charging immediately, in these instances you

AC adaptor is

should wait a few minutes before trying again. If the

attached (Battery

battery still does not charge, you should check that

indicator does not

the power outlet the AC adaptor is connected to is

glow orange).

supplying power - this can be tested by plugging

 

another appliance into it.

 

Check whether the battery is hot or cold to the

 

touch - if so, it will not charge properly and should

 

be allowed to reach room temperature before you

 

try again.

 

Unplug the AC adaptor and remove the battery to

 

make sure its connecting terminals are clean - if

 

necessary wipe them with a soft dry cloth lightly

 

dipped in alcohol.

 

Connect the AC adaptor and replace the battery,

 

taking care to ensure that it is securely seated in

 

the computer.

 

Check the Battery indicator - if it does not glow,

 

allow the computer to charge the battery for at least

 

twenty minutes. If the Battery indicator starts to

 

glow after this period, allow the battery to continue

 

to charge for at least another twenty minutes

 

before turning on the computer. However, if the

 

indicator still does not glow, the battery may be at

 

the end of its operating life and should be replaced.

 

However, if you do not believe the battery is at the

 

end of its operating life, you should speak to your

 

reseller, dealer or service provider.

Battery doesn’t

If you frequently recharge a partially charged

power the computer

battery, the battery might not charge to its full

as long as expected

potential - in these instances you should fully

 

discharge the battery and then attempt to charge it

 

again.

 

Check the Power saver option under Select a

 

power plan in the Power Options.

8-6

User’s Manual