Question about HP Compaq Presario R4000 Notebook

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No Power vailable to Compaq R4000 PN495AV

No problem with AC POWER ADAPTER but the part that interface's to within the notebook is apparently defective. Compaq wanted $600 to replace 18 months ago even thought the computer was 9 months old. I would like to know the name of the part and or a company that will replace the part reasonably.

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Well..this will require a new motherboard(around 200.00) and two hours of tech time(around 200.00) so compaq was high, but not that high..

check in the repair listings at fixya for more on this option

Posted on May 23, 2008

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Posted on Jan 02, 2017

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HP Compaq Presario R4000 (PN495AV) PC Notebook How


Yes, go to Start>Control panel>Power Options. There also should be a screen brightness key on your key board, that looks like a sun shining, with arrows pointing up & down. To use that key, hit the FN key, right next to the Ctrl key. Push & hold the FN key, while pushing the up arrow. That should increase the brightness of your display. Good luck.

Jul 06, 2011 | HP Compaq Presario R4000 Notebook

1 Answer

Power and LED issues.


I think you may find your battery is on the way out :( ..

Jan 28, 2010 | HP Compaq Presario R4000 Notebook

1 Answer

Battery will not charge with AC adapter. battery will accept a charge as I tried the battery in a R3000 . Is there A common problem with the circuit board perhaps?


I would get the power board checked/replaced if its seperate from the motherboard. all laptops sometimes have this problem.

Aug 08, 2009 | HP Compaq Presario R4000 Notebook

2 Answers

I have a compaq presario 700 laptop that is no longer charging.


The notebook battery may have a defect if it will not power on the notebook and if it will not hold a charge. The battery indicator light on the notebook either does not light or always blinks orange. The notebook operates correctly when connected to the AC adapter.
A battery that will not charge may be the result of an AC adapter failure, a system board failure, or a battery failure. Perform the steps below to diagnose the failure.
Troubleshoot the power supply
To verify that the AC power supply is functioning properly, follow the steps below.

1.
Plug the AC adapter directly into a functioning wall outlet, and plug connector into the computer. Do not plug into a power strip, surge protector or secondary power source.
2.
Verify the following operation and take the appropriate action:
*
That all power cord connections are secure.
If the AC adapter connection to the notebook is loose, the connector may be damaged and require repair. Contact HP service and support for further assistance.
*
That the power button or power LED is lit when the computer is on.
*
That an LED on the AC power supply adapter is lit when plugged into an AC wall outlet (not available on all AC power supply adapters).
*
That the AC power supply adapter is the correct type.
Different notebook models require different AC power supply adapters. You will need to know the Product Number of your notebook to determine the Part Number of the replacement part. Click Start > HP Help & Support to view the product name, product number, and serial number that you'll need to have to speak with HP Customer Service.
View the See Also section for information about locating HP Help & Support in your operating system.

Troubleshoot the System Board
If you've verified that the AC power functions properly, troubleshoot the PC's system board by following the steps below.

1.
Remove the battery, and keep the notebook connected to AC power.
2.
Press and release the Power button to start the computer.
*
If the notebook PC powers on , then the AC adapter and system board are functioning properly. Go to Troubleshoot the battery .
*
If the Power LED is off , then the AC power adapter needs to be replaced. Contact HP Service and Support for further assistance.
*
If the power LED is on , but the notebook PC does not power on, then the notebook PC needs to be repaired. Contact HP Service and Support for further assistance.
3.
Shut down Windows by selecting Shut Down from the Start Menu.

Troubleshoot the battery
If you have verified the AC power supply and system board are functioning correctly, troubleshoot the battery by following the steps below.

1.
Insert the battery into the battery compartment on the bottom of the notebook PC.
2.
Connect the AC power supply and allow the battery to charge for 15 to 30 minutes.
NOTE: The Battery Charging light should be on while the battery is charging. If it is not on, check the AC power adapter connection to the notebook PC.
3.
Unplug the AC power adapter cord from the notebook PC.
4.
Press and release the Power button to start the computer using only the battery as the power source.
*
If the PC does not power on, then the battery needs to be replaced. Contact HP service and support for further assistance.
*
If the notebook PC does power on, the battery is functioning properly.
NOTE: If you have purchased a second battery for your notebook PC or you have access to an identical battery, you can also check the battery by inserting the second battery into the PC and performing the Troubleshoot the battery steps again.

Apr 14, 2009 | Compaq Presario 700 470024-192 Notebook

1 Answer

KEYBOARD DRIVER FOR COMPAQ R4000


There is no driver from Compaq because it just uses a standard driver from the operating system.

Try removing the keyboard from the device manager.

Then restarting the computer.

Let me know what happens.

Feb 27, 2009 | HP Compaq Presario R4000 Notebook

1 Answer

Presario R4000 does not detect 2GB of memory


Hi PhotoTom,
I check you laptop specification and it really do support uptp 2 GB. So here I'm not sure your 1GB are both of them DDR 333Mhz ?? .If so what I really want you to test here is
1. 1 GB in one slot and turn it on (as you say you can boot wih it) after that move that 1 GB to the other slot and see.
2. try the same with the other 1GB and see that both work fine on both slot or not.
Incase both work fine on both slot then maybe problem with hardware what I want you to do after that is try to check your BIOS version and check on the website that they do have new BIOS version or not ?? Coz this can help incase problem are from BIOS.

Goodluck,takecare.

May 21, 2008 | HP Compaq Presario R4000 Notebook

1 Answer

Compaq Presario 2100


try draining the power by removing the ac adapter and battery and press and hold the power button for 10-15 secs then try again. if this doesnt works, then replace the keyboard.

hope this helps!

Karlox

Mar 07, 2008 | HP Compaq Presario R4000 Notebook

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