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Laptop no display

Discussion in 'Hardware' started by obetskie1960, May 19, 2018.

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  1. obetskie1960

    obetskie1960 Thread Starter

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    I am working on my lenovo laptop G400. The problem is when i turn on my laptop the fan is spinning, the power light is on, charging light is, and cpu fan is spinning but the hdd light is off and no display. I did hard reset thrice and replace the RAM with the good one. Now my next step is to plug my laptop into the external monitor just to check if my monitor is defective. Now my question is it safe to say that plugging my laptop into the external is just a waste of time because there is no hdd activity and hdd light is off. Granting my monitor is defective there should be an activity on my hdd and the hdd light should be on. My hdd is not spinning when i turn on my laptop. Please advise and thank you

    Sent from my Lenovo PB2-670M using Tapatalk
     
  2. SpywareDr

    SpywareDr

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    If a HDD refuses to spin, it's dead.

    Even without a HDD drive though, you should be able to access the laptop's CMOS/BIOS Setup. If you can, then you'll know the laptop's LCD screen is working.
     
  3. obetskie1960

    obetskie1960 Thread Starter

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    Spywaredr:
    Thank you for the reply.
    What i was try to say is that when the hdd light is off when i turn on laptop that would only mean that culprit might be the gpu. I have to rule out the ram because i already replaced with known good ram. I cannot access the bios either.

    My question sir is if there's something wrong with my gpu the hdd will definitely will not spin. Am i right?

    Sent from my Lenovo PB2-670M using Tapatalk
     
  4. SpywareDr

    SpywareDr

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    I don't think so. As far back as I can remember, whenever I connect a HDD to power you can feel the platters start to spin. It might then stop spinning, but when first plugged into power, they spin up.
     
  5. obetskie1960

    obetskie1960 Thread Starter

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    Thank you for your time sir

    Sent from my Lenovo PB2-670M using Tapatalk
     
  6. SpywareDr

    SpywareDr

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    No problem.
     
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