Vast posts here on black screens of deathh
the screen is 100% black and never once shows text or that HP logo. 100% dead black, then that is the screen back lamps dead
as most long ago did, go dead , just not yours.
called the CCFL lamps dead.
ok the battery out test1
the other check is the fan is the fan blowing, it must or the CPU overheats fast and (it shuts itself off, like magic (intel inside)
see slide show here for Laptop link packup causes.overheated
http://www.pcdied.com/overheated.html
my guess is it is there, below... as all do every one at 20k hours.
see flash light test. there. on test one, do that.?
see test #1 (battery out, ac pack connected and working)
http://pcdied.com/black-screen.html#Basic-basics-101
if the flash sight trick passes, (see data) ask how to fix that
or read the service manual at HP.
see the list of HP , with CCFL here. dv9000 is it.
http://pcdied.com/monitors.html
if yes, ccfl dead
see here
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR0.TRC0.H0.Xdv-9000+ccfl.TRS0&_nkw=dv-9000+ccfl&_sacat=0
1% fail this way for inverter bad, 1 in 100.
see same page above for inverters sold the lamps run of it and it makes 500 to 1000vdc to do that,, HV inverter.
SOURCE: hp dv9000 will not start up. blue lights are go
you get a black screen right, nothing at all then no bios, no logo, nothing at all?
Do you get any beep codes and if so in what order?
did you try different ram?
First try to plug your laptop to an external monitor. If it works, you screen is bad, if it doesn't you probably need a new motherboard.
SOURCE: HP Pavilion dv4000 battery won't charge
all you really need to do to find out if it might be broken is to check and see if that DC Jack on the computer is "wiggling" around, if the center part is moving around. If it is, then there is a chance that it is broken. I used to work at a computer store where the owner would resolder new DC power Jacks into laptops, but he was the only one in town who did that. So you might want to check around at the local computer repair or electronics stores to see if someone does that type of thing. Also, have the power supply checked out, it could just be dead.
Hi Iceprincess5
The three flashing lights indicate the battery is dead. Since it still wont power up with the cable plugged in I'd say the port has gone. Try wiggling the adapter about in the port to see if it begins to charge. If not then you would need to take it to a laptop repair centre to get a new dc port soldered on or buy a docking station.
SOURCE: My compaq laptop doesn't turn on
Hello,
At the bottom of the laptop, find and open the placing of RAM. Unplug each RAM from its bank, clean each RAM and also its bank, Plug them again in different bank. Lock your placing, now check.
Just remember to take your time and don't get nervous working on the computer. Please report back to the thread the results of your work.
Regards;
Hassan
SOURCE: dv9000 won't power on or charge. blue lightning bolt flashes
I just had this problem with my HP Pavilion dv9005us Notebook PC, and the problem is one of two things (that I know).
For me, it was the secon problem. I went online searching for answers as to where I could buy a new cord for my Laptop. My previous one was universal, as the one that came with the notbook was chewed by my puppy. So Staples Canada, (or US) and Futureshop where the only places I could but this cord. They had the laptops on one wall, and the cords underneath them. In total, I paid $112.00, $89.99 plus tax, and $10 for an extended 2 year unlimited warranty. It sucked forking out the money, but I knew that I could trust the HP brand, and now have a working laptop.
Hope this helped (:
-Hannah
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