Question about HP Pavilion DV9727CL Notebook

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Hp dv9727cl laptop screen goes blank after a few min. How to check if mono,graphics, or inverter prob.

Laptop screen displayed all kinds of colors,and i was told that the screen needs to be changed. I replaced the complete screen and frame assembly and now the screen comes on for a few minutes and then goes off. If I cold boot the laptop again, the screen stays on a few minutes and goes off. It goes ff each time displaying for less time until it does not display anymore until I discharge all power and start again from cold boot. Could it be the inertia, graphics chip, or motherboard that is the culprit. Thanx

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  • 29 Answers

Format your system

Posted on Dec 11, 2012

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Posted on Jan 02, 2017

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SOURCE: HP Pavillion DV2000 (dv2415)laptop w

We can troubleshoot the Overheat issue but first we need to turn it on. Perform following steps and check if you can see the diplay on screen.

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 and do NOT connect the battery now.
5. Turn on the Notebook power.

If the Notebook power up and shows you display, then proceed with further steps (or you can connect a desktop monitor to check if its displaying. Press Fn+F4 to toggle the display on external monitor)

The notebook may overheat and make noise or stop working due to the following conditions:
1. Due to incorrect power supply from the AC adapter.
2. If the Fans/Heat Sink are not working properly.
3. If the power management and BIOS settings are messed up in the Notebook.
4. Finally due to other components on the system board.

To resolve this problem with overheating, perform following steps.

I check your Laptop and see that your Laptop product number is "GA534UA#ABA" with Windows® Vista Home Premium pre-installed, if you are using the same, process with following steps.

Step 1: Reset the BIOS to factory defaults:
1. Click Start, Turn Off Computer, Restart.
2. When the HP logo appears, press F10 to enter BIOS Setup.
3. Press F9 when you are in BIOS Utility to load the BIOS to default. Click YES. Then press F10 to Save & Exit.

Step 2:Re-install Power Management in Vista
1. Press Windows key + R
2. Type devmgmt.msc and press enter.
3. Click the plus (+) sign next to System Devices.
4. Right-click the ACPI Fixed Features button and select Uninstall.
5. Restart the system.
On restarting the system, Windows will automatically detect and install Power Management on the computer.

Step 3: Installing an update for BIOS:
Caution: Install this BIOS only if you are using pre-installed operating system with above mentioned Product number.

WinFlash for HP Notebook System BIOS (for Notebooks with AMD Processors):
ftp://ftp.hp.com/pub/softpaq/sp43501-44000/sp43666.exe

Step 4: AirVent cleaning:
Reducing Heat and Fan Noise by Cleaning Air Vents:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01657439&cc=us&dlc=en&lc=en&jumpid=reg_R1002_USEN

In case there is no display, remove and reseat the Hard Disk and RAM and check for the issue. If display comes up after removing and reseating the RAM and HDD, then you need to follow the above steps again.

Service Manual to remove reseat HDD and RAM:
http://h10032.www1.hp.com/ctg/Manual/c01035657.pdf
Memory Module Page: 127 of 310
NOTE: If you have more than one memory module, you should test them individually to determine if one or both of them are faulty. Insert each module separately, then turn on the notebook to determine if the inserted module is working. Once you have determined which memory module is faulty, you can replace the faulty module and reseat the working module.

Hard Disk Page: 121 of 310

Contact HP at www.hp.com/support/chat for further assistance.

Posted on Aug 22, 2010

  • 928 Answers

SOURCE: HP Pavillion dv2500 laptop will not boot up.

Pressing the f8 key doesn't work either? This should boot the laptop to safe mode, if it doesn't then check the memory cards before you do anything else, try to get somebody with the same type of memory card to lend it to you. If that doesn't work, then your HDD is corrupted, and to re-install Windows.

Posted on Sep 05, 2009

KatFishGR
  • 90 Answers

SOURCE: compaq laptop display not working

Have you tried an external monitor? Plug one in while the laptop is off, then turn it on. If no video on the external monitor, then there's a hardware issue somewhere else. Such as ram, motherboard or possibly cpu.

Posted on Oct 26, 2007

  • 788 Answers

SOURCE: HP laptop display issue

If you are recving 1 long and two short beeps, it is not a memory problem.
It is not a Lid closing or lid switch problem.
If you are able to switch to and from your LCD and Monitor, you are lucky.
I have been up and down the road with several HP DV6000 series units, all have had the 1 long and 2 shot beeps.
HP is aware of this problem and has offered an extended 1 year from date of original warranty expiration. Another words 2 years from date of purchase. HP will ask for $365.00 + or - ? for this repair.
Their repair consists of a motherboard replacement.

If you go to HP's web site, you can look up your model and if in warranty, have it sent back for repair.
The problem will not get better in time but only worsen. The heat sink on the dual core units is not handling the heat transfer properly.
The board is a 2 sided wafer which has displayed failure in several places, due to the heat load and transfer design. Area of problem is directly under NVIDIA chip look for craters. Theses are solder points the size of a pins head which because of the heat and the stress of the transfer bracket above, have separated making in some cases an intermittent connection to chip.
The best thing to do is have a technician remove the board from inspection and blow out the heat sink and surrounding areas.
Apply new heat sink tape and grease where needed and re-assemble.

You must update your BIOS ver. to current.
This new version will address the Voltage and Fan Control Speeds in a better manor.
If your unit is just now giving you these errors, now is the time to act.
Just like in a A/C unit at home, a restricted air flow will make unit run longer and hotter.
Their are no filters here, once lint and dust have collected in the coils, it is just a matter of time.
Hope this helps you in your problems.
Anybody reading this note having a DV6000 series unit, should check at their web site for warranty and call back issues.
John
john@johnrraycomputer.com
P.S. if you are a technician and feel you want to repair the board yourself, drop me an email with the model number and I will explain in more detail.

Posted on Jun 11, 2009

  • 1 Answer

SOURCE: hp dv6000 laptop beeps 4 times n won't display on start up

I had the same problem, i found it was because my RAM stick was installed loose. I removed and fixed it again properly.
Issue was sorted.

Posted on Mar 29, 2010

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