Question about HP Pavilion dv8000z Notebook

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Computer will not fully boot

Here is the problem. My computers hate me. This is the second one to go down this week. But we will work on this one. Last night during playing a game the computer froze. It would not do anything. No alt tabbing, not ctl alt del to get to task manager, nothing. So I shut it off using the power button. I turned it back on and the monitor did not turn on. I thought bad vid card so I used the onboard video. DIdnt work. THen i used a different vid card. Still no luck. Today I turn it on, get monitor on and it locks up at the windows boot screen. Then i try again, monitor does not turn on.. After a few attempts monitor turns on and it will not go past either the compaq screen or the screen that shows the type of video card. IT will not boot with any other hard drives. I tried disconnecting other drives. Used a drive from another computer, reseated the cpu, mem and all other cards. All fans are on and the green light is on the front of the computer. I have no clue where to go from here. The thing that confuses me the most is that the monitor only turns on about 25% of the time when I keep trying. Let me know if you can think of anything.

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  • remeizo Dec 04, 2008

    So. I pulled the power plug. Pulled the battery, Moved the jumper to clear the cmos. Took a shower. Put the battery back in. Moved the jumper back. Yanked one memory stick out tried to start it up and It got stuck at the compaq screen. I put that stick back in, yanked the other one and tried again. It got stuck at the video card info screen. I pulled that stick out and put in a good know working stick. Tried to start it up, Monitor did not turn on. I pulled it, put it in the other slot (to rule out a bad memory slot) fired her back up and the monitor did not turn on. I think that I am just about out of options and can pretty much say that either the cpu or the MOBO is done for. The cpu looked ok when I pulled it though. I dont know. Any thoughts. Now I guess it is time to work on the one that will not power on at all. On that one i flip the switch and all the fans move just a bit and... nothing. The power supply is not the issue. I went out and bought a new one thinking that was the cause of it not turning on. But the new power supply and the old power supply have the same effect. I think that the cpu or MOBO is fried on that one for sure.. Unless you can think of anything more for me to try.

  • remeizo Dec 05, 2008

    I have tried a few different graphics cards as well as the on board video. I am pretty sure it is not the power supply since it turns on part of the way. I cannot get into the bios, it freezes before I am able to do so. I can try my cpu in another computer possibly but i am unsure of the socket in the other motherboard. I will try it tomorrow. I do seem to have an over abundance of parts so yeah,

  • remeizo Dec 05, 2008

    I have tried a few different graphics cards as well as the on board video. I am pretty sure it is not the power supply since it turns on part of the way. I cannot get into the bios, it freezes before I am able to do so. I can try my cpu in another computer possibly but i am unsure of the socket in the other motherboard. I will try it tomorrow. I do seem to have an over abundance of parts so yeah, that

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It is almost certainly a memory error. First off remove the power cord and the small battery on the motherboard. You may see a jumper near the battery with something like 'rst cmos' next to it. If so pull it off and short it over the other pin. Wait 5 mins, replace the jumper (if found) and install the battery. Whatever you do make sure you dont forget to replace the cmos jumper back to its origional position or you could fry your motherboard.
Re-connect the power and turn on. You should be in bios, restore the defaults, save and try a reboot.
If this works then you had a bios setting wrong, if not it will be your memory / ram.
If you have 2 or more ram modules then try re-booting with just one installed to identify the faulty one. If you only have one then buy a new one.
You have tried everything else correctly although this is a classic ram fault. I'd put money on it!

Posted on Dec 04, 2008

  • Phillip Thorne
    Phillip Thorne Dec 05, 2008

    To be honest it's easier for me as I have loads of parts. Really you need to test your cpu, ram, graphics etc in another computer and the test your monitor also. I doubt it the power supply. It is possible but in my experience they either work or they don't.

    Well graphics card or mobo is my guess then.

    Can you get into bios when you turn on? Try and get to the 'Hardware monitor' option and check for overheating. Your cpu should be no hotter than 45c.

    Also check your themal paste between your heat sink and cpu is not all dried up and cracked. An overheating cpu would cause the faults you describe.

    Good luck.

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Hey just a shot in the dark here but I would start with replacing the ram and then the psu... If you have access to a p.o.s.t card throw that in there and it'll bring up most hardware issues.

Posted on Dec 04, 2008

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