Solve : cleaning?

1.	Solve : cleaning?
Answer» hi , i OPEN one pc from MANY only to use CO2 for put away the dust inside. after i try to restart it ...i got one alarm ...i don`t change nothing but still exist ... i change PLACES of memory but the alarm is still there if somebody can help me with one advice ..thnx very much GeorgieYou may have blown a wire/connector loose...RESEAT all connections.

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