I have an HP Pavilion ZD7000 and I have replaced the board on this unit that came out of a working unit that had a broken screen. I know get power to the unit but now my HP will not show a display on the screen. Any suggestions on what the problem may be. Any answers will be greatly appreciated. Thanks in advance.
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I just built/repaired one of these the other day. My son uses it now. Motherboards are notorious for going out. However you need to give more description to your problem. You just say it has issues but that doesnt really tell me anything. If you turn it on and get no beeps and no screen and everything seems dead except for the power light then it needs the system board replaced. But if you see the hard drive light running like normal with nothing on the screen then try it with an external monitor. If the external monitor works then the screen has died but the motherboard video card components are good. If you still got nothing then the board is bad and will need replaced. I'm sorry it is almost always bad news on these.
The graphics chip needs resoldering (reflow). Got the same laptop in for repair yesterday. At first when power cord plugged in all LEDS stay, hard drive spins but fans don't work and nothing on screen. A bit later everything's dead. I've seen too many HPs with poor soldering issues. can't really say they're making good laptops these years.
pull the power cord out and the battery (or just let it run out). Then, try turning it back on again. If it does the same thing again then yes it may be old blue death and your harddrive may be worse than dead. I don't believe that the power button doesn't work. Hold it in for 10-15 seconds or so, any computer is DOS programmed to respond to the power commands above all, even above the dreaded blue screens. Let me know if I'm an ******* and I don't know what I'm talking about or if you need more help.
Dismantled notebook thinking compressed air removed component or connection. Nothing. Reassembled most of notebook. Left battery and power disconnected for 6.5 hours, I later plugged only AC power into unit. Fans started spinning. Completed assemble of notebook and installed the battery. Blue lights returned. Problem seems to be the battery. Shorts out something and needs about 6 hours drain out. Works great now without battery, using AC power only. Ordered new battery.....
How are you trying to use the monitor? Just connecting it to the laptop? I know on most laptops you have to select to use the external monitor it won't just come up. You usually have to hold down the 'Fn' button and then press 'F5' or 'F7' to toggle between - monitor only, monitor and lcd, and lcd only.
If you are trying that, what happens? Does anything show on the screen?