46
A P P E N D I X
General Problems
Refer to the following general problems you may encounter.
PROBLEM
SOLUTION
An incorrect date and time are displayed.
Correct the date and time using the CMOS Setup.
If the date and time become incorrect after a short
time, the CMOS battery may be depleted. Replace
the battery.
The following message appears at boot up:
“Invalid system disk, Replace the disk, and then
press any key”
Ensure that an operating system is installed.
Check the boot sequence in the BIOS setup utility.
You hear irregular beeps during operation of the
computer and the system halts.
Have the PT-6910 Series serviced.
An unidentified message is displayed.
Reboot the computer and run the BIOS Setup
Utility. Confirm the Setup Utility parameters. If the
same message is displayed after booting up again,
have the PT-6910 Series serviced.
You cannot use a mouse or keyboard.
Check the cable connection.
Check the mouse or keyboard with another
computer to see if it works. If the same problem
occurs, replace the mouse or keyboard.
The screen is blank and you don’t hear any beeps.
Check that the AC adapter is connected to the PT-
6910 Series and the power cord is plugged into a
working electrical outlet.
Check that the power is on. (Press the power
switch again for confirmation.)
The screen is blank and you hear a continuous
beep, or two or more beeps.
Have the PT-6910 Series serviced.
Only the cursor appears.
Reinstall the operating system, and power on the
PT-6910 Series.
Audio problems
Ensure the audio cable is not defective.
Ensure that the mute is off.
Summary of Contents for PT-6910 Series
Page 1: ...PT 6910 Series User Manual...
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Page 20: ...14 C H A P T E R 1 G E T T I N G S TA R T E D...
Page 44: ...38 C H A P T E R 2 B I O S S E T U P...
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Page 56: ...50 A P P E N D I X...
