Toshiba PORTEGE R400 User Manual page 53

Point to note about memory module error
If you install a memory module that is not compatible with the computer, the
Power indicator flashes (on for 0.5 seconds, off for 0.5 seconds) in the
following ways;
■
If there is only an error in Slot A: repeatedly flashes orange twice, then
blue.
■
If there is only an error in Slot B: repeatedly flashes orange, then blue
twice.
■
If there is an error in Slot A and in Slot B: repeatedly flashes orange
twice, then blue twice.
In all instances you should shut down the computer and remove the
incompatible module(s).
Use a point size 0 Phillips screwdriver to remove and fasten the screws -
the use of an incorrect screwdriver can damage the screw heads.
Installing a memory module (Slot A)
To install a memory module, follow the steps as detailed below:
1. Set the computer to Boot Mode and turn its power off - make sure the
Power indicator is off (refer to the
Chapter 1,
2. Remove the AC adaptor and all cables and peripherals connected to
the computer.
3. Turn the computer upside down and remove the battery pack (refer to
Replacing the battery pack
Modes, if required).
Always make sure the display panel is closed in Laptop mode before
turning the computer upside down.
4. Turn your computer over.
5. Open the display panel.
6. Slip your finger under a notch at the end of the keyboard brace and lift
up to release latches and remove the keyboard brace.
Keyboard brace
User's Manual
Getting Started, if required).
section in Chapter 6,
Figure 3-3 Removing the keyboard brace
Features, Utilities and Options
Turning off the power
Power and Power-Up
section in
3-15