Motorola ml900 Manuel D’Utilisation

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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 green. 
 
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. 
 
Make sure that there is no floppy disk in the floppy disk drive. If 
there is, remove it and restart the system. 
 
If this message appears when you are booting from the hard disk, 
insert a bootable disk in the floppy disk drive and check the 
condition of the hard disk. 
 
Make sure that the hard disk is set correctly in the SCU program. 
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 floppy disk, replace the 
disk with a bootable one and press any key to continue booting. 
8-14 Troubleshooting