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no display no sound just runing colling fan

By kabir Hossain ·
i have a desktop. some days ago when i on my computer. Just the cooling fan run full speed but no display .my agp is built in. My ram is ok IDE data cable is ok . what s may be problem.i change my ram also change ide cable but no output

kabir.1202@yahoo.com

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Well start off with the easy things and edit your post

by OH Smeg In reply to no display no sound just ...

To remove your E-Mail address as this is a Public Forum and your In Box will get filled with spam from the Bots roaming the net.

As for your issue try a Known Good Power Supply as it sounds as if more than one of the voltage rails has either gone off and is not producing the required Voltages or Current required to run the computer.

The Fan running only tells you that there is 12 V DC Present but doesn't tell you if there is sufficient Current on that 12 V DC Rail or if any of the other Voltage Rails is even working. So the 3.5 V DC Rail and 5 V DC Rail may be completely dead.

Col

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