Lenovo W700ds manual Sleep standby or hibernation problems

Sleep (standby) or hibernation problems

Problem:

The computer enters sleep (standby) mode (the sleep/standby indicator turns on) immediately after Power-on self-test (POST).

Solution:

1.Make sure that:

vThe battery is charged.

vThe operating temperature is within the acceptable range. See “Specifications” on page 66.

2.If these items are correct, have the computer serviced.

Problem:

The critical low-battery error message is displayed, and the computer immediately turns off.

Solution:

The battery power is getting low.

Do either of the following:

vConnect the AC adapter to the computer and plug it into an electrical outlet.

vReplace the battery with a fully charged one.

Problem:

When you take action to return from sleep (standby) mode, the computer display remains blank.

Solution:

1.Check whether an external monitor was turned off while the computer was in sleep (standby) mode.

2.Do either of the following:

v Turn on the external monitor to display the image on it.

vPress Fn+F7 to bring up the image on the computer screen.

Note: If you use the Fn+F7 key combination to apply a presentation scheme, press Fn+F7 at least three times in three seconds.

3.If the problem persists, do the Solution in the following Problem.

22ThinkPad® W700 and W700ds Service and Troubleshooting Guide