Question about HP Pavilion dv9000z Notebook

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Lights turn on when starting up but screen stays black

The system keeps reboot and i tryied taking out the batter. Putting just one ram chip at a time but no luck. Pressing Ctl. alt. del. nothing.

Its not the black screen you get after you see the windows logo, it diesn't even get to that the screen just stay black from the beginning.

I appreciate any help thank you.

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  • 87 Answers

Reboot and hold down the delete key to open the bios. Reset the bios to default settings then see if that fixes it. If not you may have to reload the computer to its factory load.

Posted on Mar 01, 2009

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Why is my lap top just intermittently beeping with a black screen


DELL BEEP CODES
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What's your problem?i have a dell optiplex 755 (tower).. it was working fine.. but one day when switched it on,, it doesnt behave normal.. and no screen was showing on the monitor.. the pc was sho


Welcome to the world of Windows 7. Don't you miss Windows XP? LOL, Windows 7 is a nightmare just like Vista.

Anyway I think it's your Memory. You mentioned moving the memory chips around, but you didn't mention trying one at a time. I think one of them is bad.

Memory ChipRemove the Power Cord, Open the Case and remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.Try just working with one of them in Slot 1 and swap them out in just Slot 1.

Oh, I just thought of something else, Maybe you have bad Capacitors on the motherboard. Remove the Power Cord, Remove the Case. Take a flash light and look inside the computer at the capacitors. They look like little Battery Towers. If any of them are spewing corrosion out of them, they can cause the computer to go crazy just like yours is doing.

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Toshiba tab turns on but Screen stays black what do I do


I would check the ram chips first,, pull them out and reinstall them, most of the time this will work. if not.... try starting the laptop with only one ram chip installed, then try the same thing with the 2nd ram chip install,, test one at a time..

If this dont work it may be a bad GPU connectoin to the mother board,
This can be fixed but in most cases a new mother board is needed.

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Computer had a replacement cord purchased and battery purchased from Compacq (HP) last year. Problem Number One: Cord will not stay plugged into back of computer. Keeps falling out of slot. Problem Number...


Try to get in long enough to check for Battery drivers in your system devices,they may need to be reinstalled,as your computer keeps crashing,this may corrupt them.Also try running your laptop with 1 Ram card at a time,you will find the cards located on the bottom of the laptop..just take the screw out till the door opens and leave 1 Ram card in,see if the laptop still acts up....if it does,take that Ram out and try the other one by itself.You may have to get a new plug and solder it in or you can just hold the power plug in with a peice of black electrical tape.Please let me know how you make out :)

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Promlems turning on


Hey,
Issue with the memory chips(Ram of the notebook). U need to take out battery and ac adaptor and check for the ram compartment which will have a small image of a teeth or a comb like structure, compartment placed at the bottom of the computer. After U opened up the compartment U will find 2 green chips placed one over the other with two clips holding them from the side.
First push the clips on the opposite direction and then the chips will come out put them back again firmly(be carefull too)
If still beeps then take one chip and boot the notebook if it beeps take this one out and put the other one in if the nb doesnt beep with a ram then the other one has gone bad needs replacement.. if still the issue not resolved replace the ram chips.

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1 Answer

Laptop LCD Screen won't come on and computer keeps rebooting


Try checking the inverter, if that is intermittent, it could short the system and cause the symptoms you are describing.

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Change RAM


If you put the original RAM back in (both sticks) does the system boot?

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Black screen on start up


yep

unplug the system
open the case
look for a battery and take it out
take out the memory (rams)
wait ten minutes
press power button 5 times
put everything back in

and boot it

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