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I have this hp pavilion dv7 with the following configurations ram- 2(2gb-2rx8) hard disk- 160 with a wide screen 17inch windows7 running on it. Initially,i opened the cass to examine if the rams were the problem,later on to cross-cecked the screen and the inverter but still no display. my observations: fan will spine like 20secounds before everything went off again

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