Computer date and time display is incorrect.
Cause
Solution
RTC (real-time clock) battery may need to be replaced.
NOTE: Connecting the computer to a live AC outlet prolongs
the life of the RTC battery.
First, reset the date and time under Control Panel (Computer
Setup can also be used to update the RTC date and time). If
the problem persists, replace the RTC battery. See the
Hardware Reference Guide for instructions on installing a new
battery, or contact an authorized dealer or reseller for RTC
battery replacement.
Cursor will not move using the arrow keys on the keypad.
Cause
Solution
The Num Lock key may be on. Press the Num Lock key. The Num Lock light should not be on
if you want to use the arrow keys. The Num Lock key can be
disabled (or enabled) in Computer Setup.
Poor performance is experienced.
Cause
Solution
Processor is hot. 1. Make sure airflow to the computer is not blocked. Leave
a 10.2-cm (4-inch) clearance on all vented sides of the
computer and above the monitor to permit the required
airflow.
2. Make sure fans are connected and working properly
(some fans only operate when needed).
3. Make sure the processor heatsink is installed properly.
Hard drive is full. Transfer data from the hard drive to create more space on the
hard drive.
Low on memory. Add more memory.
Hard drive fragmented. Defragment hard drive.
Program previously accessed did not release reserved
memory back to the system.
Restart the computer.
Virus resident on the hard drive. Run virus protection program.
Too many applications running. 1. Close unnecessary applications to free up memory.
Some applications run in the background and can be
closed by right-clicking on their corresponding icons in the
task tray. To prevent these applications from launching at
startup, go to Start > Run (Microsoft Windows XP) or
Start > All Programs > Accessories > Run (Microsoft
Windows Vista) and type msconfig. On the Startup tab
of the System Configuration Utility, uncheck applications
that you do not want to launch automatically.
CAUTION: Do not prevent applications from launching
at startup that are required for proper system operation.
2. Add more memory.
ENWW Solving General Problems 11
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