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Sony Vaio VGN-FS315M

This laptop has been dropped and I'm trying to resurrect it if possible.

The laptop seems to start up ok with all front and top lights working. The battery light responds correctly to the presence of the battery and the heatsink fan will switch on when the heatsink gets hot which suggests to me that the motherboard is mostly working.

The screen, however, never switches on and no picture is visible using the vga plug and external monitor either. I've closely inspected the screen and can't find any leaking crystal. The backlight also doesn't switch on.

The HDD sounds a little sick when the laptop starts up but I'm hesitating to say this is the cause of the problem because I would have expected to see the laptop at least boot into BIOS with it removed.

Does anyone have any other suggestions for what could cause this? My guess is the GPU or RAM but I'm looking for guidance as to which.

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  • spuzzdawg May 26, 2009

    Just to clarify, I didn't say that the laptop boots into BIOS with the HDD removed. I said that that is what I would expect the laptop to do if the fault was caused by a faulty HDD based on my experience with desktop computers.



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It Sounds like your motherboard that faulty, Cause if it boots into the Bios with the hdd removed, then its your motherboard, I have had the same problem a week ago with a HP notebook, I would suggest removing the HDD and connect it to a external enclosure, and them make a backup off all your data, before you try anything else.. good luck

Posted on May 26, 2009


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