Lenovo Z60T User Manual download pdf (Page 46)

Problem:

When you take action to return from standby mode, the computer display

remains blank.

Solution:

Check whether an external monitor was disconnected while the computer

was in standby mode. Do not disconnect the external monitor while the

computer is in standby mode or hibernation mode. If no external monitor

is attached when the computer resumes, the computer display remains

blank and output is not displayed. This restriction does not depend on the

resolution value. Press Fn+F7 to bring up the computer display.

Note:

If you use the Fn+F7 key combination to apply a presentation

scheme, press Fn+F7 at least three times in three seconds, and the

image is displayed on the computer screen.

Problem:

The computer does not return from standby mode, or the standby

indicator stays on and the computer does not work.

Solution:

If the system does not return from standby mode, it may have entered

standby or hibernation mode automatically because the battery is depleted.

Check the standby indicator.

v If the standby indicator is on, your computer is in standby mode.

Connect the ac adapter to the computer; then press Fn.

v If the standby indicator is off, your computer is in hibernation mode or

power-off state. Connect the ac adapter to the computer; then press

power button to resume operation.

the system still does not return from standby mode, your system may

stop responding and you cannot turn off the computer. In this case, you

need to reset the computer. If you have not saved your data, it may be

lost. To reset the computer, press and hold the power button for 4 seconds

or more. If the system is still not reset, remove the ac adapter and the

battery.

Problem:

Your computer does not enter standby or hibernation mode.

Solution:

Check whether any option has been selected that would disable your

computer from entering standby or hibernation mode.

Problem:

The system does not wake up at the time set on the timer, if the computer

is not connected to an ac power source, -or- The system does not enter

hibernation mode from suspend mode, if the computer is not connected to

an ac power source.

Solving computer problems

24 ThinkPad

Z60t and Z60m Series Service and Troubleshooting Guide

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Lenovo Z60T User Manual Page 46

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