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• Problem: When you connect a headphone to your computer while playing sound, a speaker does not<br />
produce sound in the MULTI-STREAM mode at SmartAudio (Windows 7).<br />
Solution: Once the headphone is attached, the streaming is automatically redirected to it. If you want<br />
to listen to sound from the speakers again, be sure to set those speakers as the default device. The<br />
procedure is as follows:<br />
1. Click Start ➙ Control Panel ➙ All Control Panel Items.<br />
2. Click the SmartAudio icon. The SmartAudio window opens.<br />
3. Look at the playback devices. If you have attached a headphone, the headphone will be automatically<br />
set as the default device, and the icon for that headphone will be checked.<br />
4. To set a different device as the default, just double-click the icon for those speakers. That icon<br />
will now have a check mark.<br />
5. Play any sound by use of a music program such as Windows Media Player. Make sure that sound<br />
comes from the speakers.<br />
For details, refer to the Help for SmartAudio.<br />
Fingerprint reader problems<br />
• Problem: The surface of the reader is dirty, stained, or wet.<br />
Solution: Gently clean the surface of the reader with a dry, soft, lint-free cloth.<br />
• Problem: The reader often fails to enroll or authenticate your fingerprint.<br />
Solution: If the surface of the reader is dirty, stained, or wet, gently clean the surface of the reader<br />
with a dry, soft, lint-free cloth.<br />
If your finger has any of the following conditions, you may not be able to register or authenticate it:<br />
– Your finger is wrinkled.<br />
– Your finger is rough, dry, or injured.<br />
– Your finger is very dry.<br />
– Your finger is stained with dirt, mud, or oil.<br />
– The surface of your finger is very different from the one you used when you enrolled your fingerprint.<br />
– Your finger is wet.<br />
– A finger that has not been enrolled is used.<br />
To improve the situation, try the following:<br />
– Clean or wipe your hands to remove any excess dirt or moisture from the fingers.<br />
– Enroll and use a different finger for authentication.<br />
– If your hands are too dry, apply lotion to them.<br />
Battery and power<br />
This section tells what to do if you have a battery and power problem.<br />
This section includes five topics: Battery, ac power adapter, Power, Power button, Startup and Sleep<br />
(standby) and hibernation. Check these topics to find the related information.<br />
Battery problems<br />
• Problem: The battery pack cannot be fully charged by the power-off method in the standard charge<br />
time for your computer.<br />
Solution: The battery pack might be over-discharged. Do the following:<br />
228 <strong>User</strong> <strong>Guide</strong>