Lenovo IdeaPad S9e -FR User Manual download pdf (Page 51)

LCD-related symptoms

Table 5. Minimum quantity of defective pixels required for LCD replacement in IdeaPad S9e,

S10e, and S10

LCD resolution Bright dots Dark dots Bright and dark dots

WSVGA 5 5 7

Notes:

v Lenovo will not provide replacement if the LCD is within specification as we

cannot guarantee that any replacement LCD will have zero pixel defects.

v A bright dot means a pixel is always on (white or color.)

v A dark dot means a pixel is always off (black color.)

v One pixel consists of R, G, B sub-pixels.

Table 6. LCD-related symptoms

Symptom or error FRU or action, in sequence

No beep, power-on indicator on, and a

blank LCD during POST.

System board.

v LCD backlight not working.

v LCD too dark.

v LCD brightness cannot be adjusted.

v LCD contrast cannot be adjusted.

1. Reseat the LCD connectors.

2. LCD assembly.

3. System board.

v LCD screen unreadable.

v Characters missing pixels.

v Screen abnormal.

v Wrong color displayed.

1. See important note for “LCD-related

symptoms.”

2. Reseat all LCD connectors.

3. LCD assembly.

4. System board.

Horizontal or vertical lines displayed on

LCD.

LCD assembly.

Important: The TFT LCD for the notebook computer contains many thin-film

transistors (TFTs). The presence of a small number of dots that are missing,

discolored, or always lighted is characteristic of TFT LCD technology, but

excessive pixel problems can cause viewing concerns. The LCD should be

replaced if the number of missing, discolored, or lighted dots in any background

is as follows:

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Lenovo IdeaPad S9e -FR User Manual Page 51