Question about HP Compaq Presario V2000 Notebook

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BOOTING PROBLEM My laptop is compaq presario v3029 AU.My laptop faced booting problem twice within the warranty period and the motherboard was replaced.Now its happened for the third time and replacing motherboard,would cost me half the price I had purchased my laptop for.I feel the problem am facing is repairable instead of replacing.The compaq service technicians have not given me any convincing reason for the problem occurring twice and they just repalced.However I feel it could be repaired. When I switch ON my laptop,all the LEDS are lit up but screen is blank.I tried a reseating the RAM but in vain.But surprisingly one day I tried starting the laptop with the AC adapter as my7 battery had got fully discharged(No LED'S were lit too).And the laptop started I used for a long time then the next day too it started but the system hanged and started restarting.It stopped again now.1)Is it something to do with the battery??(As it started last time after the battery completely got drained) I convinced about one thing that, no components have failed.It is something to do with the power.power adapter,connector or battery..Please suggest

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1. Look at the power supply to determine if the fan is working.If not replace the motherboard to see if the computer starts.If the fan is working, try another power supply anyway.
2. Shake the case and listen for loose metallic objects that may cause you computer to stop starting.
3. Inspect the motherboard for broken or burnt components.
4.If you hear beeps when you start your computer try to decode the beep code using the internet.
5.Try a different video card.
6.See if the CPU and memory will work with another motherboard.if yes it means that they are not damaged.
7.Replace the motherboard.If the computer starts it means that your motherboard was damaged.
Unless your machine took a bad fall down some stairs, I am guessing you have a problem with hardware. Unplug the machine and remove the battery. Unplug any external devices like cards, USB devices and printers, etc., and then reboot. Is the hard drive running? Try F10 into setup, and then select LOAD SAFE DEFAULTS AND REBOOT, or something similar. If this does not get it going, check to see if the harddrive or memory has become unseated in their bays somehow. Turn the laptop over, remove the screws covering the little doors, lovingly and gently unscrew the harddrive retaining screw and remove it, and then put it back in and secure the screws. Check to make sure the memory modules are seated correctly, and reseat them if necessary. Then try rebooting. If you get the same problem, go into the BIOS again and check to make sure you are booting to the HDD as first, and then start turning off devices in the BIOS and rebooting in cycles until it boots. Also, try booting to CD (for example, OS installation disk) and if that works, you likely have a boot problem or hardware problem on the hard drive.

Good luck....

Posted on Jan 28, 2008


    If you are unable to get it past the BIOS boot screen, you must have a hardware problem locking out the BIOS from completing.

    Try this.

    Unplug everything and remove battery.

    Turn the machine over, uncover the hard drive in its bay, and remove it. Then try to reboot. If this does not fix it to allow you to enter the BIOS, shut down again and remove the memory and any other card from the system you find exposed on the underside of the machine.

    When you reboot, you should either get a BIOS message saying the memory count is incorrect, or other memory error, or else a beeping sound from the laptop. If you do not get one of these, I would guess you either have a motherboard problem, or, possible, the keyboard, which is connected to the motherboard by a thin ribbon, has become disconnected.

    If you get the beeping sound or a memory error, try putting the memory back in one chip at a time until you get a memory count and BIOS message and can enter the BIOS. If you put the memory back in and get the same error as before (machine locked, cannot enter the BIOS), it might be a memory problem or (more serious), a motherboard problem.

    If you cannot access the BIOS to troubleshoot the problem using the above methods, you probably need professional help with troubleshooting the hardware, or need to find a friendly geek who can help diassemble the machine, test the keyboard and memory, etc. If you want to have a bash at this process yourself, post again with the results of the above process.

    Good luck...



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