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Why my Toshiba Tecra A2 turns black screen suddenly?
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Q:
I have a Toshiba Tecra A2 laptop, few times after I restart my laptop, it suddenly turns black screen, and then there’s nothing could be seen on the screen. But when I restart it again, it could recover running normally.
I’ve already added a DDR of 512MB before, but this problem still happened. It seems useless to update memory, so I really hope to get your help and suggestion. Thank you a lot!
A:
1) From my experience, this symptom might be the connection issue before your monitor and motherboard, the first step you need to do is to connect your laptop to an external monitor, and then try restarting several times, check whether the same problem happens again. If the situation’s still the same, then it means the display circuitry on your system motherboard has something wrong. If there’s nothing happening, then it indicates that your laptop screen fails. Still follow this method, you can find out where’s the problem gradually, and then suit the remedy to the case. Hope this could help!
2) If it’s totally black that you can see no any image on your laptop screen, then the point should be to connect an external LCD screen and check up your laptop. Confirm whether the problem is relevant to the LCD screen or video connection cable. Then you may find some obvious failures. In fact, for the failure above, just observe carefully again, check whether the external screen works or not. If yes, then it means the problem is on the internal screen and video circuit. If it doesn’t work, then it should be

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