Maintenance and Service Guide

Table 8-26 Issues, possible causes, and xes (continued)
Items Procedures
Warning message displayed in
Window
Less powerful AC adapter, BIOS out of date.
Troubleshooting steps
1. Update BIOS that may contain a table that
assigns an appropriate adapter for a certain
conguration.
2. Update the latest HP Hotkey Support software
from Drivers website.
3. Verify sucient power source (where adapter is
connected).
4. Use appropriate AC adapter (often supplied with
system) for optimum system performance.
5. Test with a veried working AC adapter.
6. Test the adapter on a veried working computer.
7. Contact HP for conguration details.
Note HP Smart AC adapter warning message: informs you
that as power demands increase, the notebook may
not perform at full capacity, which may result in
longer battery-charging time. In cases of extreme
power demands, the system may also throttle back
the processor, or with systems that have a discrete
video sub-system, a video balance mode may occur to
further balance the power needs of the system.
System processor functions always have priority over
battery charging, so charging delays will occur rst.
Incorrect time and date
Table
8-27 Issues, possible causes, and xes
Item Procedure
Symptom
Incorrect date and time
Possible cause
Real-time clock (RTC) battery might need replacement.
Troubleshooting steps
1. Reset the date and time in the operating system Control Panel.
2. Replace the RTC battery.
3. Verify that date and time are correct.
114 Chapter 8 Troubleshooting guide