When my laptop (Presario CQ40 AMD Turionx2) power on, it cannot start with a black screen and no response to any keys. The leds indicating Caplock and Numlock blink four times. I appreciate if anyone here can advice me a clue?
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When my laptop (Presario CQ40 AMD Turionx2) power on, it cannot start with a black screen and no response to any keys. The leds indicating Caplock and Numlock blink four times. I appreciate if anyone here can advice me a clue?