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Laptop won't post-- no BIOS, new MOB, CPU...

I have a Toshiba laptop that won't post, no beeps, blank screen.
Fan spins, lights come on, that's it.

After much asking around, I came to the conclusion the motherboard was dead. I bought a new motherboard, exact same model, tested and working, and swapped it out.

Same-- no post.

I switched out the CPU with a tested CPU, thinking that could be it.

Same-- no post.

So, working MOB, working CPU, and no post, no beeps, with or without RAM. Any ideas?
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  1. Best answer
    Maybe the inverter to the screen went bad. Try get a flashlight and shine it on the screen to see if you see anything. Aslo try to connect the VGA cable from the laptop to a monitor and see if you are getting any display.
  2. Even if the screen is bad, it ought to post, beep, or the hard drive ought to spin though, correct?

    blackcell989 said:
    Maybe the inverter to the screen went bad. Try get a flashlight and shine it on the screen to see if you see anything. Aslo try to connect the VGA cable from the laptop to a monitor and see if you are getting any display.

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