Question Laptop will not turn on.

HughMitch

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Dec 18, 2013
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Laptop will not turn on. Power button is lit up and green battery light is on. CPU fan starts for half a second and then nothing.

I came home last night to find my laptop had gone to sleep. Nothing unusual there, but upon pressing the power button nothing happened. I thought it had powered off so hold down the power to hard reset and start it again. The power key lights up, green power indicator lights up, the GPU fan spins for half a second and then the power indicator turns red and nothing happens. No screen. No other indicator lights.
Strangely, when the power cord is connected the power button lights up permanently but nothing else happens (this is not normal). If it is just on battery then it doesn't light up.
Things i have tried so far:
  1. Just used the battery. No change
  2. Just used the power cord. No change.
  3. Removed the battery and power cord and held down the power key to discharge the laptop fully. Then retried with the power cord. No change.
  4. Opened the case, took out the CMOS battery and after a long while replaced it with a brand new battery.
I am hoping that someone here can shed some light or provide some next steps to resolving the issue. After all of the steps above, the GPU fan still spins up for half a second before everything turns off.
I have opened it up and inspected the motherboard. As far as I can see there is no physical damage to the board. No cracks or burnt parts.
I did think that it might be the battery is drained and the power cord does not work properly which would prevent any form of start up with either. How can I test the power cord and battery status?

It is a 3-year-old PC Specialist Optimus Series Laptop. Never had an issue with it until now.
 
Last edited:

HughMitch

Honorable
Dec 18, 2013
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10,530
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It sounds like a dead motherboard.

Can you get into bios?
I tried a new RAM stick to see if faulty RAM was causing the issue. However, the problem persisted so I believe it was a motherboard fault. I was unable to get into the BIOS.

I have now replaced the laptop, however, if there are solutions for getting my old one up and running again, I would like to.

Thanks for your reply.
 

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