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.
There is no sound or sound volume is too low.
Cause
Solution
System volume may be set low or muted. 1. Check the F10 BIOS settings to make sure the internal
system speaker is not muted (this setting does not affect
the external speakers).
2. Make sure the external speakers are properly connected
and powered on and that the speakers' volume control is
set correctly.
3. Use the system volume control available in the operating
system to make sure the speakers are not muted or to
increase the volume.
The audio device may be connected to the wrong jack on the
rear of the computer or the jack has been retasked to perform
a different function.
Ensure that the device is connected to the correct jack on the
rear of the computer. If the correct jack is being used and the
problem persists, the jack may have been retasked to perform
a function that is different from the default function. Open the
Realtek control panel by clicking the Realtek HD Audio
Manager icon in the task tray or the Realtek entry in the
operating system's Control Panel and set the jack to the
desired function.
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.
Table 2-1 Solving General Problems (continued)
ENWW Solving General Problems 11
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