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58 Appendix A Troubleshooting and Support
The display goes black while the C5 is still turned on
• The computer might have turned off the display to save power. To restore the display,
touch the screen with the pen or press a button.
• The computer might have gone into Standby mode. Press and hold the power switch
for about one second.
• The computer might have gone into low-battery Hibernation mode. Plug the computer
in to AC power, then press and hold the power switch for about one second.
Battery
The battery does not last very long (less than three hours)
• Hot or cold conditions can adversely affect the battery charge. Use AC power if you are
operating the computer 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.
• The battery may be weakening. Use a different battery if possible.
I lost data while swapping batteries
• The computer will maintain data and settings for 30 seconds in Standby mode. This
time may vary due to the programs that are running. Try putting the computer into
Hibernate mode before you swap batteries. See “Using Hibernate” on page 31.
Display
The desktop area is larger than the C5 display
• If the display resolution is set higher than the display can support, the desktop area
scrolls as you move around. Decrease the display resolution so that the entire desktop is
visible. For more information, open Windows Help and Support and search for “change
resolution”.
The display is too dim
• The brightness may be set too low. Use Motion Dashboard to increase the brightness.
See “Adjusting the display brightness” on page 22.
The display is unreadable or distorted
• The screen resolution and color quality may be set incorrectly. Use Windows Display
Properties to reset the display settings.
1. In Control Panel, open Display.
2. Tap the Settings tab.
3. For Screen resolution, select 1024 x 768.
4. For Color quality, select Highest (32 bit).