Troubleshooting

Troubleshooting (Basic)

Password

Even after entering the pass-

If

lights up, press

 

to disable the ten-key mode, and then input.

NumLk

word, a message appears

If

lights up, press Caps Lock to disable the Caps Lock mode, and then input.

requesting to type it again.

 

 

 

 

 

 

 

 

 

 

 

 

 

The user name (account name) includes the “@” mark.

Cannot log on to Windows.

If another user account name exists:

(“The user name or pass-

Log on to Windows using another user account name, and delete the account name that

word is incorrect.” is dis-

includes “@”. Then create a new account name.

played.)

If no other account name exists:

You need to reinstall Windows ( page 26).

 

Display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The screen becomes black

 

 

 

 

 

 

 

 

 

 

 

 

for a moment.

When you set [Intel(R) video driver power saving function] - [Intel(R) Display Power

 

Saving Technology] of Power Plan Extension Utility to [Enabled], if you do the following

 

operations, the screen becomes black for a moment, but this is not a malfunction.

 

You can use it.

 

 

Adjust the brightness of the screen with

Fn

+

F1

/

Fn

+

F2

.

 

 

Remove and insert the AC adaptor.

 

While you are using motion video playback software, benchmark software for graphic, if er-

 

ror screen is displayed or application software does not function normally, set [Intel(R) video

 

driver power saving function] - [Intel(R) Display Power Saving Technology] to [Disabled].

When you set [Intel video driver power saving function (Intel(R) Display Power Saving Technology)] of Power Saving Utility to [Enable], if you do the following operations, the screen becomes black for a moment, but this is not a malfunction. You can use it.

Adjust the brightness of the screen with Fn + F1 / Fn + F2. Remove and insert the AC adaptor.

While you are using motion video playback software, benchmark software for graphic, if error screen is displayed or application software does not function normally, set [Intel video driver power saving function (Intel(R) Display Power Saving Technology)] to [Disable].

No display.

The external display is selected. Press

 

+

 

(or

 

+

 

) to switch the

 

 

 

Fn

F3

 

P

 

display. Wait until the display has been switched completely before pressing

 

+

 

(or

 

Fn

F3

 

 

 

+

 

) again.

 

 

 

 

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

The display is turned off by the power-saving function. To resume, do not press the

direct selection keys, but press any other key like Ctrl.

The computer entered sleep/ standby or hibernation by the power-saving function. To resume, slide the power switch.

The screen may become darker. Press Fn + F2 to make the screen brighter.

The screen is disordered.

Changing the number of display colors and resolution may affect the screen. Restart the

 

computer.

 

The refresh rate of the internal LCD may be 40 hertz. Change the refresh rate of the

 

internal LCD.

 

A Right-click on the desktop, and click [Graphics Properties].

 

B Click [General Settings].

 

C If [Refresh Rate] of the Notebook is [40 Hz], change to [60 Hz] and click [OK].

The external display does

If the external display does not support the power saving function, it may not work nor-

not work normally.

mally when the computer enters the power saving mode. Turn off the external display.

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Panasonic CF-C1BLHAZ1M appendix Troubleshooting Basic, Password, Display