User's Manual
62 Power Issues Chapter 4 Troubleshooting and FAQs
The tablet will not enter Hibernate mode.
Hibernate mode might not be enabled. Enable h
ibernation by adjusting the power button
behavior from the Tablet Center. See C
HANGING HOW THE POWER BUTTON FUNCTIONS on page 49.
The tablet does not return from Hibernate mode while on battery powe
r.
The battery might be depleted. Plug the Tablet PCs power adapter into an AC outlet and into the
Ta
blet PC.
The power button is blinking bu
t nothing is happening.
The tablet is in Sleep mode. Press the Po
wer button to wake up the tablet.
• To power off the tablet completely, you can press and hold the power button for about
five seconds. However, this isn’t recommended.
• To power off the tablet under normal conditions, press the Windows Start button ,
tap Po
wer , and select Shut down.
The display goes black w
hile the Tablet PC is still turned on.
The possibilities include:
• The tablet might have turned off the display to save power. To restore the display, tap the
screen with your finger or the pen.
• The tablet might have gone into Sleep mode. Press and hold the Power button for about
one second.
• The tablet might have gone into low-battery Hibernation mode. In Hibernation mode, the
power status light is off. Plug the tablet in to AC power, then press and hold the power
button for about one second.
Battery Issues
The battery doesn’t last very long (less than four hours).
• Hot or cold conditions can adversely affect the battery charge. Use AC power if you are
operating the tablet in these conditions.
• Accessory devices such as a DVD player and applications that make heavy use of the hard
drive can drain the battery more quickly. Remove the accessory devices or use AC power if
possible.
You can use the Tablet Center to enable the Power Saver Plan.
1. Open the Tablet Center.
2. Tap Po
wer.
3. Select Po
wer Saver from the list of power plan choices.
Other Tips for Batteries
• Condition the battery once a month by using the tablet on battery power and allowing
the battery charge to drop below 20% before connecting the battery to AC power.
• The battery might be weakening. Use a different battery if possible.
• For other battery optimizing tips, see BATTERY AND POWER MANAGEMENT TIPS on page 48.