Toshiba Portege Z930-B - Manual (Page 99)

1. Press CTRL, ALT, and DEL simultaneously (once), then click Start
Task Manager. The Windows
® Task Manager window appears.
2. Click the Applications tab. If a program has stopped responding, the
words "not responding" appear beside its name in the list.
3. Select the program you want to close, then click End Task. Closing
the failed program should allow you to continue working. If it does not,
continue with the next step.
4. Close the remaining programs one by one by selecting the program
name, then End Task. Closing all programs should allow you to
continue working. If it does not, power off your computer and then
restart it.
The computer will not start
Make sure you attached the AC adaptor and power cord/cable properly.
If you are using the AC adaptor, check that the wall outlet is working by
plugging in another device, such as a lamp.
Verify that the computer is on by looking at the ON/OFF indicator.
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 indicator. If the
indicator is glowing, the computer is connected to a live external power
source.
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
Keyboard
Internal display panel
Solid State Drive
Memory Media Card
Pointing device USB device
Sound system
External monitor
LAN
Wireless LAN
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.
Portégé Z930/Satellite Z930
User's Manual 6-3