14
* If a second degauss cycle is needed, allow a minimum interval of 20 minutes for the best result. A humming noise may be heard, but this is not a
malfunction.
Displaying this monitor’s name, serial number,
and date of manufacture
1
Press the center of the control button.
The main MENU appears on the screen.
2 Move the control button m/M to highlight
LANGUAGE/INFORMATION and press the center
of the control button.
The LANGUAGE/INFORMATION menu appears on the
screen.
3 Move the control button m/M to select .
This monitor’s information menu appears on the screen.
If the problem persists, call your authorized Sony dealer and give
the following information.
• Model name: HMD-A400
• Serial number
• Name and specifications of your computer and graphics board.
Color is not uniform • Degauss the monitor* (page 11). If you place equipment that generates a magnetic field,
such as a speaker, near the monitor, or if you change the direction the monitor faces, color
may lose uniformity.
White does not look white • Adjust the color temperature (page 11).
Letters and lines show red or blue
shadows at the edges
• Adjust the convergence (page 10).
USB peripherals do not function • Check that the appropriate USB connectors are securely connected (page 7).
• Check that the ! (power) switch is in the “on” position.
xProblems caused by the connected computer or other equipment
• Check that the power of any self-powered USB compliant peripheral devices is “on.”
• Install the latest version of the device driver on your computer. Contact your device’s
manufacturer for information about the appropriate device driver.
• If your USB compliant keyboard or mouse does not function, connect them directly to
your computer, reboot your computer, and make any necessary adjustments to the USB
settings. Then reconnect the keyboard or mouse to the monitor. If you connect a keyboard
or mouse to the USB connectors and then boot your computer for the first time, the
peripheral devices may not function.
• For customers using Windows 95
1. Right-click on My Computer and select Properties.
2. Click on the Device Manager tab. Scroll down and select Universal Serial Bus
Controller.
If Universal Serial Bus Controller does not appear, you need to load a USB supplement
disk. Contact your computer’s manufacturer for more information about obtaining a
USB supplement disk.
3. Select Generic USB Device from the USB controller list and click on Properties.
4. If there is a check in the box next to “Disable in this hardware profile,” remove the
check.
5. Click on Refresh.
A hum is heard right after the
power is turned on
• This is the sound of the auto-degauss cycle. When the power is turned on, the monitor is
automatically degaussed for five seconds.
Symptom Check these items
MODEL : HMD - A40 0
SERIAL:12345678
MANUFACTURED:2000.52
SELECT EXIT
LANGUAGE/ INFOR
M
A
T
I
O
N
Example
