If the indicator is glowing, the computer is on. Also, try turning the computer off and then on.

If you are using an AC adaptor, verify that the computer is receiving power from the external power source by looking at the DC IN/Battery indicator. If the indicator is glowing, the computer is connected to a live external power source.

The computer will not load advanced options during startup

By holding down one of the following keys during startup, your computer will load advanced options as shown below.

Key

Advanced option

F2

BIOS utility

 

 

F12

Boot menu

 

 

0 (zero)

Recovery options

 

 

If your computer starts to load the Operating System instead of desired advanced options, follow the steps below:

1.In the Settings charm, click Power and then select Restart.

2.Hold down the corresponding key and then release this key one second after the computer is power on.

3.Follow the on-screen instructions to proceed.

Hardware and system checklist

This section discusses problems caused by your computer’s hardware or attached peripherals. Basic problems may occur in the following areas:

Power

USB device

Keyboard

Additional memory module

Internal display panel

Sound system

Hard Disk Drive

External monitor

Optical Disc Drive

LAN

Memory Media Card

Wireless LAN

Pointing Device

Bluetooth

Power

When the computer is not plugged into an AC power outlet, the battery pack is the primary power source. However, your computer also has a number of other power resources, including an intelligent power supply and a Real Time Clock (RTC) battery, all of which are interrelated with any one having the ability to produce apparent power problems.

User's Manual

6-4

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Toshiba L40t-A, P40-A, P40t-A Hardware and system checklist, Power, Computer will not load advanced options during startup