Panasonic CF-Y4HWPZZBM Notebook Computer - Page 47
Problems with Display
UPC - 092281853222
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Problems with Display Screen is too dark or becomes darker z Press the Fn+F2 key. This makes the screen lighter. z If the screen becomes darker after disconnecting the AC adaptor: The computer has different set brightness levels for when the AC adaptor is connected and for when it is not connected. If you press the Fn+F2 key to increase the brightness when the AC adaptor is not connected, this brightness is maintained, and determines the brightness next time the AC adaptor is disconnected. (Making the screen lighter shortens the battery operating time.) An afterimage appears (e.g., the key z If an image is displayed for a prolonged period of time, an afterimage may green, red, and blue dots remain on appear. This is not a malfunction. The afterimage will disappear when a dif- the display) or there are dots not dis- ferent screen is displayed. playing the correct colors z High-precision and advanced technologies are used in the production of color liquid crystal displays (color LCDs). Therefore, if 0.002% or less of the picture's elements either fail to light or remain constantly lit (that means that more than 99.998% of the elements are functioning properly), this is not considered a defect. Nothing is displayed on the screen z Check if the power-saving mode is active. • If the power indicator is lit: The display is turned off. Press a key with no independent effect, such as the Ctrl key or the Shift key. Do not use a key that may make a selection (Enter, Space, Esc, Y, N, numeric keys, and so on). • If the power indicator is blinking or is not lit: The standby mode or hibernation mode is entered. Slide the power switch. z The display destination may be set to the external display. Try changing the display destination by pressing the Fn+F3 key. If you want to switch the display destination repeatedly by pressing the Fn+F3 key, make sure that the display destination has switched completely each time before pressing the Fn+F3 key again. z The screen may become darker. Press the Fn+F2 key to make the screen lighter. The screen becomes disordered z The screen display may become distorted if the resolution or number of colors is changed, or if an external display is connected or disconnected while the computer is operating. Restart the computer. Switching between internal and external displays does not work z The display destination cannot be switched while a video such as an MPEG file and a DVD Video are playing. Stop playing the video before switching the display destination. A blue background appears on the screen with the MPEG image or DVD Video z Did you open the DVD-ROM & CD-R/RW drive or remove the disk while it was operating? Insert the removed disk, and close the disk cover. The LCD brightness changes a few times when the AC adaptor is disconnected z If [Intel(R) Display Power Saving Technology] is active, the LCD brightness changes automatically. (Î "Computing on the Road" in onscreen Refer- ence Manual). Image colors are not reproduced as z We recommend removing the checkmark from [Intel(R) Display Power Sav- expected when displaying photo- ing Technology]. (Î "Computing on the Road" in onscreen Reference Man- graphs or other images ual). Troubleshooting 47