Laptop (Sony Vaio VPCF1) won't turn on after disassembly

pticus

Estimable
Mar 22, 2015
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4,510
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Hi, I just disassembled my laptop to clean it up from dust and now it is not turning on. It makes no sound at all when I try to turn it on, but the light next to power button is flashing.

Can you tell by that which part I put in incorrectly? I had to put out and in both CPU and HDD when I was cleaning up the laptop.

Many thanks
 

C12Friedman

Distinguished
I'll suggest a reset to start here, with power adapter unplugged and battery removed from laptop, press and hold power button for ~30 seconds, plug in adapter and battery, try to power on then.
Unfortunately, no. We cannot figure out what was missed or improperly installed simply from a description (that would be an interesting "superpower").
Likely issues could be:
1) Fan did not get plugged back into motherboard
2) Ribbon cable not properly installed (not fully inserted or upside-down)
3) Something is shorted inside
4) CPU not locked down in socket
I simply listed the things I have seen, the list is by no means comprehensive as to all possibilities, if reset or the optical drive thing doesn't work you're going to need to start over (disassemble and reassemble again)
 

C12Friedman

Distinguished
I'll suggest a reset to start here, with power adapter unplugged and battery removed from laptop, press and hold power button for ~30 seconds, plug in adapter and battery, try to power on then.
Unfortunately, no. We cannot figure out what was missed or improperly installed simply from a description (that would be an interesting "superpower").
Likely issues could be:
1) Fan did not get plugged back into motherboard
2) Ribbon cable not properly installed (not fully inserted or upside-down)
3) Something is shorted inside
4) CPU not locked down in socket
I simply listed the things I have seen, the list is by no means comprehensive as to all possibilities, if reset or the optical drive thing doesn't work you're going to need to start over (disassemble and reassemble again)
 
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