Chapter 7

7-1
ASUS CG5270
Chapter 7
Troubleshooting
This chapter presents some problems you might encounter and the possible solutions. 
?
My computer cannot be powered on and the power LED on the front 
panel does not light up
• 
Check if your computer is properly connected.
• 
Check if the wall outlet is functioning.
• 
Check if the Power Supply Unit is switched on. Refer to the section Turning 
your computer ON/OFF in Chapter 1.
?
My computer hangs.
• 
Do the following to close the programs that are not responding:
 
1.   Simultaneously press <Alt> + <Ctrl> + <Delete> keys on the keyboard, 
then click Start Task Manger.
 
2.  Click Applications tab.
 
3.  Select the program that is not responding, then click End Task.
• 
If the keyboard is not responding. Press and hold the Power button on the top 
of your chassis until the computer shuts down. Then press the Power button to 
turn it on. 
?
I cannot connect to a wireless network using the ASUS WLAN Card 
(on selected models only)?
• 
Ensure that you enter the correct network security key for the wireless network 
you want to connect to.
• 
Connect the external antennas (optional) to the antenna connectors on the 
ASUS WLAN Card and place the antennas on the top of your computer 
chassis for the best wireless performance.
?
The arrow keys on the number key pad are not working. 
 
Check if the Number Lock LED is off. When the Number Lock LED is on, 
the keys on the number key pad are used to input numbers only. Press the 
Number Lock key to turn the LED off if you want to use the arrow keys on the 
number key pad.