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Software Problems
An application program does not work correctly.
* Make sure that the software is correctly installed.
* If an error message appears on the screen, consult the software program's documentation for further information.
* If you are sure the operation has stop, reset the computer. (See "Resetting the Computer" later in this chapter.)
Sound Problems
No sound is produced.
* Make sure that the volume control is not set too low.
* Make sure that the audio driver is correctly installed.
* Make sure that the computer is not in Standby mode.
* If using an external speaker, make sure that the speaker is properly connected.
Distorted sound is produced.
* Make sure that the volume control is not set too high or too low. In most cases, a high setting can cause the audio
electronics to distort the sound.
The sound system does not record.
* Adjust the playback or recording sound levels.
The external microphone or audio device does not work.
* Make sure that the microphone is connected to the proper connector on the computer.
* Make sure that your computer is equipped with the driver needed.
* Click the speaker symbol on the taskbar and check the Windows volume control.
* Check the volume control of your computer.
Startup Problems
When you turn on the computer, it does not respond and the Power Indicator does not light blue.
* If you are using an external AC power, make sure that the AC adapter is correctly and securely connected. If so, make
sure that the electrical outlet works properly.
* If you are using the battery power, make sure that the battery is not discharged.
When you turn on the computer, it stops after POST.
* Restart your computer.
The message "Operating system not found" appears on the screen after you turn on the computer.
* If this message appears when you are booting from the hard disk, insert a bootable CD disc in the DVD drive and check
the condition of the hard disk.
The message "Invalid system disk" or "Disk error" appears on the screen after you turn on the
computer.
* If you are deliberately trying to boot from a CD disc, replace the disc with a bootable one and press any key to continue
booting.
* If this message appears when you are booting from the hard disk, insert a bootable CD disc in the DVD drive and check
the condition of the hard disk.
Other Problems
The date/time is incorrect.
* Correct the date and time via the operating system or BIOS Setup program.
* After you have performed everything as described above and still have the incorrect date and time every time you turn
on the computer, the RTC (Real-Time Clock) battery is at the end of its life. Call an authorized dealer to replace the RTC battery.
PRESTIGIO NOBILE 1522W
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