Dell Vostro 1520 - Czarny ekran, diody migają, 2-3 piknięcia przy starcie

Cytat:

Please try the below mentioned steps and check if there is any change:

1. Remove the battery and AC adapter from the computer.
2. Disconnect any peripherals such as printer or any other USB devices.
3. Press and hold the power button for 10-15 seconds.
4. Remove the following components one by one:

a. Media bay device (Optical/DVD drive)
b. Memory (or RAM)
c. Hard drive
d. WLAN mini-card
e. Keyboard

Cytat:

1. Run LCD BIST. To run LCD BIST power off the computer and then power on using "D + Power Button" and see if the colors appear on the screen. If nothing appears on the screen or the video is distorted it indicates the test has failed. If test fails, the LCD is faulty, else follow next Step
2. Check Video on external Monitor.
3. If video is displayed on the external monitor and no video on the notebook LCD, this is another indication of the LCD failure.
4. If the Video is not displayed on the External Monitor also, this indicates Video Card failure.