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    Plz help:Hardware problem - HP zt3000

    Discussion in 'HP' started by mcurto, Nov 6, 2007.

  1. mcurto

    mcurto Newbie

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    I have a HP zt3000 witch was offered to me along with a "doesnt work" statement.As i cant aford a laptop and im not easily scared by hardware i decided to download the corresponding technical manual and try to locate hte problem.After several atempts I still havent determined what the problem is.

    -Computer powers on but after some brief seconds (aprox 5sec) theres no graphical output and fan stops.Laptop aparently keeps on but theres no activity I have to press power button for a while until it turns off.

    To keep things easier I'll post my attempts,these are the things I have tried so far:

    Tried to use external monitor
    Tried to remove extra RAM (add-on) and nothing
    Removed battery and CDROM
    Removed hard drive
    Swapped internal RAM with external (living the internal one out)
    Removed WI-FI and Bluetooth

    Since I dont have an extra graphics card this was the only thing besides motherboard I can think of being broke.

    I even removed graphics card (ATI Mobility 9200) and tried to boot just to see what happened and the result was the same:

    Leds would go on and fan would stop after 5sec and then:nothing.

    BTW:Caps Lock and Num Lock dont work or at least leds don't come on.

    Im not very familiar with laptop motherboards.I know I can diagnose desktop ones by BEEP codes.Is there anything similar for laptops?

    Any help appreciated.

    Ty in advance.

    Miguel Curto
     
    mcurto, Nov 6, 2007
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  2. vassil_98

    vassil_98 Notebook Deity

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    Yes, you can diagnose the MB by the beeps but apparently yours is working (you didn't mention any beeps, right?) Usually, when the MB is dead you will hear 3 or 4 beeps and the computer will turn off.
    Further, are you sure that this computer has a detachable video card? Actually, I'm 99% sure it hasn't...
    Sometimes, after an unsuccessful BIOS upgrade, laptops do exactly what you describe.
    I have never heard of a dead CPU but I wonder how the computer would react if for some reason the CPU is bad. Could it be the monitor connection? Do you get any HDD access, I mean does it try to read from the HDD (you said the leds are on). Do you have a floppy drive to try to boot from it?
     
    vassil_98, Nov 7, 2007
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