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BLANK screen while trying to fire up mr HP DV9000 laptop, removed battery, tried on AC power

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Plz resit the ram,check the power supply, if nothings happen then you have to send it back for servicing

Posted on Jul 24, 2008

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3 beep sound


If a PC suddenly fails to boot properly, you should perform a hard reset as the first action. Performing the hard reset will correct many problems. If the computer still does not start properly, select your symptom from the list below to guide you to the recommended corrective actions.
  1. Disconnect all peripheral devices and remove all USB devices and SD media cards. You want to test the computer not the accessories!
  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain all residual power and restore default startup settings.
  3. Reconnect the AC power adapter (but do not insert the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a fan or other moving parts turning.
  4. If the computer does not start, the LED lights do not glow, and the display is black, you can perform one or more of the following actions to resolve the no power issue.
    • Verify the computer is receiving power from the AC adapter . Verify that the AC adapter is not damaged and is connected correctly to a working wall outlet plug. Verify AC power is connected to the system board by examining the AC adapter, wiring, and pin connection for damage. The keyboard LEDs will glow when AC power is connected to the system board. Damaged components, like the AC adapter or the pin in the power connector, may require an HP-certified repair.
    • Use a different AC power adapter . If you have access to a different AC adapter or power pack that is designed for the computer, connect it to the notebook and try to start the computer. If you own or have access to more than one notebook, verify that you are using the adapter which belongs to the notebook. CAUTION: Using a power adapter that does not meet the power requirements or has the wrong type of connector may damage the computer. On newer notebook models, connecting the wrong adapter to the notebook may cause the power LED lights to blink but not power the computer.
    • Remove the battery and boot on AC power only . A discharged or defective battery may prevent the AC adapter from supplying enough power to start the computer. To verify that power from the AC adapter is available for PC; remove the battery, connect AC power adapter, and press power button. If available, try using a different AC adapter, that is rated for the PC, and repeat this test.
    • Remove the AC adapter and boot on battery power only . A defective AC adapter may not charge the battery and prevent the computer from booting on battery power only. To verify battery power available for the PC; connect AC power adapter, allow battery to charge for 30 minutes or more, disconnect the power adapter and press power button. If available, try using a fully charged battery, of the same type, from another computer and repeat this test.
      • If LEDS do not glow and the fan or hard drive do not spin, battery may need to be replaced.
      • If tests of both the battery and the AC adapter fail, there may be a problem with system board requiring service by HP.
      • If LEDs glow and PC boots, the AC adapter may need to be replaced.
      • If LEDs glow, but PC does not boot go to LEDs glow, fan is heard, but display is black or blank section.

Nov 21, 2010 | HP Compaq d530c PC Desktop

1 Answer

MY hp pavilion dv9000 does not come when I try to cut on. It holds a charge but it tries to come on then turns off.


Does the computer work with an AC adapter?...if it does, you'll have to get a new battery....Jeff

Oct 03, 2010 | PC Desktops

1 Answer

Hi, our HP Pavilion dv9310ca went blank last night whilst we were browsing the web. The hard drive light doesn't seem to be doing anything. When the power is on the auto fan runs intermitently. Ever so...


Your DV9000 has experienced what we call the black screen of death for most DV series laptops that have not had their motherboards serviced since new. There is a chip on the motherboard made by Nvidia and it controls a great deal of what happens on the 9000. This laptop has had a design and workmanship flaw since leaving production. The solder points on the chip are the weak link, it's not Nvidia'a fault, I would say it is the fault of HP for not listening to its customers and not realizing that they have failed the public miserably. Your motherboard has to be "reflowed" or replaced. It is cheaper to try and reflow the board, which is reheating the motherboard to allow the solder to flow and reconnect to all the connections on the chip. This usually does the trick 90% of the time. For the other 10%, the board will need to be replaced.

May 16, 2010 | PC Desktops

2 Answers

Blank screen, error code;0f00c.


The error you appear to be getting during diagnostics should not be related to the computer not starting. The error you are referencing has to do with a blank CD not being in the CD/DVD drive during that part of the test.
I ran the diagnostics again with a blank cd in the drive and I recieved error code 1000-0146.

Mar 12, 2010 | Dell Dimension 3000 PC Desktop

2 Answers

HP laptop does not start.LED on.black screen "warning-battery low


Im not sure but there is normally a button somwhere on the laptop which acts a a reboot button. normally very small and have to press it using a pin etc. You could try that then turn it on but not sure if it will help?

Jun 12, 2009 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

Hp laptop blank screen/black, despite power lights on.


I see this a lot at work. Here are the steps I go through to TS.
1. Make sure the computer is off 2. Unplug the AC Adapter and remove the battery 3. With nothing attatched to the laptop (including battery) press and hold the Power button for 15-30 sec. 4. Plug in the AC adpt. to the unit and the wall (leave battery out at this point). 5. Turn on the unit. At this point it might turn on (I've had about 50% success on this). 
If this does not work and you are still experiancing the same issue you computer may be under HP's Limited Warrenty Service Encancement. Which is basically a recall by all means but don't call it that. HP will throw a fit and won't help. Seriously. They are going to want to check your model number and your product number. 
Finding these is simple. Look on the back side of the unit and locate the sicker with 2 barcodes on it. the number labeled "P/N" is your Product Number. The official HP Model Number is located directly above the word warrenty. Example: DV6312US.
You can also look here on HP's website for more information the the LWSE.

Nov 03, 2008 | HP PC Desktops

1 Answer

HP dv6000, laptop will not start up, screen stays blank and the lights and fan turn off about every 20secs and it just keeps doing the same thing over and over again, sounds like its starting up then OFF,...


Hi civic-95-uk ,

Try performing power drain steps on thenotebook:

1) Remove the AC adapter and battery from the notebook.
2) Press the power button and hold it for a minute.
3) Reconnect the AC adapter, battery and try starting the computer.
Even if the issue is same then perform Hard drive self test from BIOS.

1. Turn on the notebook and press F10 immediately. Which will lead you to the BIOS setup screen.

2. Click on Diagnisis and choose hard drive self test. Perform both the short test and long test.


Sep 09, 2008 | HP PC Desktops

1 Answer

My hp pavilion laptop showing only blank screen not starting at all


Hey,

Contact your dealer or HP for repair service, if you got warranty it will be free, you can also try, removeing the laptop from the power adapter, and remove the battery for 1 minute, plug in the power cord and try starting up. other thing you can try is removeing the memory modules, starting up, then it beeps, place the memory back. start up.

Thanks,
Ekse

Aug 29, 2008 | HP PC Desktops

1 Answer

H P Pavillion dv 9700, problem : screen is black like in sleep mode. I shut off, removed battery reinstalled battery, turned back on could hear the windows sound coming on but screen is still...


Try this -- it is called a Power Drain Procedure -- HP technical support helped me with this --
1. Disconnect the AC Adapter.
2. Remove the Battery.
3. Hold the Power button down for 30 seconds to 1 minute.
4. Reconnect the AC adapter.
5. Turn on the Notebook power.

Jul 08, 2008 | PC Desktops

1 Answer

Screen problem with HP DV 9000


I think Your computer C.P.U. power supply unit is not working properly. because these type of problem occur when Power Supply Unit is not working properly.........

So Don't afraid at all just change your c.p.u. power supply unit with new one (it is not costly at all).

Mar 19, 2008 | PC Desktops

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