PORTÉGÉ M780

Additional memory module

Please also refer to Chapter 3, Hardware, Utilities and Options, for further information on installing and removing memory modules.

Problem

Procedure

If there is a memory

In the event the Power indicator flashes when

malfunction, the

the computer is turned on, you should first check

Power indicator will

that the installed memory module(s) are

repeatedly flash (on

compatible with the computer. If there is an error

for 0.5 seconds, off

with a compatible memory module, there is a

for 0.5 seconds) in

possibility the memory module is damaged.

the following patterns;

 

 

If you determine that an incompatible module has

If there is an error in

been installed, you should follow the steps as

only slot A: orange

detailed below:

twice, then green

1.

Turn off the computer.

once.

2.

Disconnect the AC adaptor and all peripheral

If there is an error in

 

devices.

Slot B: orange once,

 

then green twice.

3.

Remove the battery pack.

If there are errors in

4.

Remove the incompatible memory module.

both Slot A and Slot

5.

Install the battery and/or connect the AC

B: orange twice, then

 

adaptor.

green twice.

 

6.

Turn on the computer.

 

 

If you are still unable to resolve the problem,

 

contact your reseller, dealer or service provider.

An error will occur if a Remove the memory module from Slot B and

memory module is

insert it into Slot A.

inserted into Slot B

 

while no memory

 

module is inserted in

 

Slot A.

 

 

 

User’s Manual

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