66 Troubleshooting
TEST THE KEYBOARD —Connect a properly working keyboard to the computer, then
try using the keyboard.
WORKING WITH AN USB KEYBOARD —During the first system boot, the operating
system takes time to configure the USB keyboard. Reboot the system to configure the
keyboard faster.
USB KEYBOARD OR MOUSE FAILURE —Connect the device to a different USB port
and check if it starts working.
RUN THE HARDWARE TROUBLESHOOTER—See "Troubleshooting Software and
Hardware Problems in the Microsoft Windows Vista™ Operating System" on page93.
Lockups and Software Problems CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
The computer does not start up
CHECK THE DIAGNOSTIC LIGHTS —See "Diagnostic Lights" on page76.
ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO
THE ELECTRICAL OUTLET
The computer stops responding
NOTICE: You may lose data if you are unable to perform an operating system
shutdown.
TURN THE COMPUTER OFF —If you are unable to get a response by pressing a key on
your keyboard or moving your mouse, press and hold the power button for at least
8to 10 seconds (until the computer turns off), and then restart your computer.
A program stops responding
END THE PROGRAM —
1
Press <Ctrl><Shift><Esc> simultaneously to access the Task Manager.
2
Click the
Applications
tab.
3
Click to select the program that is no longer responding.
4
Click
End Task
.
book.book Page 66 Tuesday, November 27, 2007 10:29 AM