acer extensa 5635z DA0ZR6MB6E0 REV:E no start

Please write all information:
1.Model from case
2.Board model/number
3.Describe problem clearly
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Please write all information:
1.Model from case
2.Board model/number
3.Describe problem clearly
4.What you did to solve problem
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binmosfet
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acer extensa 5635z DA0ZR6MB6E0 REV:E no start

Post by binmosfet »

hello, pressing power on / off turns on both led power and power-on, turns the fan for two seconds, turns hd, but the screen remains black, after 5 sec everything turns off, then after another 5 sec it turns on again, everything as before with black screen, I tried to replace the ram but nothing changes, removed the battery but nothing changes, I checked the main voltages and they are all present, I also tried other CPUs but no results,I reprogrammed the bios, but without results, some advice?
thanks
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