Lcd Panel Problems; Keyboard/Mouse Problems; Cd-Rom Or Dvd-Rom Drive Problems - NEC POWERMATE 2000 Service And Reference Manual

LCD Panel Problems

Check the following problems to see the possible cause and solution.
LCD panel screen is dark or the display is hard to read.
!
Press a key or move the mouse to take the system out of the power management mode.
Adjust the LCD panel brightness control settings. (Note that the brightness setting returns to
the system default setting of maximum brightness on power down.)
Check that the AC adapter and power cable are connected together, the adapter is plugged
into the back of the system unit, and the power cable is plugged into a live power source.
The screen display is fuzzy or flickering; graphics characters or garbage
!
appears on the screen.
Check that all connections have been made.
Check that the video refresh rate and video driver are correct.
Check display properties. Click the right mouse button anywhere on the Windows desktop
and a menu appears. Click

Keyboard/Mouse Problems

Check the following problem to see the possible cause and solution.
Mouse or keyboard does not respond.
!
The mouse or keyboard might have been connected after turning on the system. Turn the
system off, make sure the mouse or keyboard are connected, and turn the system back on.
Image appears on screen but nothing happens when using the mouse or
!
keyboard.
Make sure the keyboard or mouse cable is firmly connected to the rear of the system.
If this does not help, turn off the system, wait five or more seconds, and turn on the system.
Mouse cursor moves erratically or not at all.
!
Clean the mouse (see Section 6, "Preventive Maintenance").
If this does not help, the mouse might need to be replaced.

CD-ROM or DVD-ROM Drive Problems

Check the following problems to see the possible cause and solution.
The system does not see the drive.
!
The drive designation is wrong and should be changed. The drive designation for the drive
depends upon the storage device configuration in the system. To find out what drive
designation letter is assigned to the drive, double click
Windows 2000, or Windows NT 4.0 desktop. The drive designation is below the drive icon.
As an alternative, open Windows Explorer and scroll down the list of folders until you
locate the drive icon. The drive designation is beside the icon.
7-4 Troubleshooting
and the Display Properties window appears.
Properties
on the Windows 98,
My Computer