Lenovo 278182U - IdeaPad Y430 Dual Core T3400 2.16 GHz, User Manual, Page: 62 / 150

53
Chapter 4. Troubleshooting
Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
If you do not find your problem here, see Chapter 2. The following section only
describes problems that might prevent you from accessing the comprehensive
information in Chapter 2.
„ Display Problems
When I turn on the computer, nothing appears on the screen and the
computer does not beep while starting up.
Note:
If you are not sure whether you heard any beeps, turn off the computer;
then turn it on again, and listen again. If you are using an external monitor,
See “Computer Screen Problems” on page 57.
ƒ
If a user password is set, enter the correct password and press Enter .
ƒ
If the user password prompt does not appear, the brightness level
might be set to minimum brightness. Adjust the brightness level by
pressing Fn + .
ƒ
If the screen still remains blank, make sure that:
- The battery is installed correctly.
- The AC adapter is connected to the computer and the power cord is
plugged into a working electrical outlet.
- The computer power is on. (Press the power button again for
confirmation.)