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Hi, I have a compaq C740TU laptop. I am not able to switch on my laptop with battery alone...when i connect the power chord to my laptop, it doesn't get the power for sometime ... but after sometime (approximately 30 mins) the power is generated and the laptop switches on. Once it is switched on, if i remove my power chord..it works fine..but if i shutdown the system and try to start my laptop again...it again doesn't start....please let me know what the probl

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Remove yhe battery then check it if it starts normal then the battry is faulty but if problem persist with power then repair the motherboard

Posted on Jul 16, 2009

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Audio driver for Compaq Presario C740TU Notebook PC


Drivers and software you can find here. Just choose Operating System and press Next

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I have a Presario F730US laptop and my battery wont charge?


Try this,
Remove battery and ac ADAPTER from the laptop
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Remove the battery and the power chord and press the power button for about 30 seconds. Then place the power chord and battery and turn on the system.

Sep 04, 2009 | Compaq Computers & Internet

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Laptop Doesn't start


Hi...

Now let's discuss what we should do when the laptop seems to be booting up without problems, the hard drive spins appropriately, and we even hear the welcome sound of the operating system, but we have no display on the LCD panel.
The easiest and most foolproof method for testing your LCD Screen is to hook up the laptop to an external monitor. If the video output on the external monitor looks fine, this means that the problem is with the video connector, with your LCD panel itself, or with the circuitry that turns on the LCD.
What do we do? It all starts with disassembling the notebook. Find the video connector on the system board (if the video is integrated on the motherboard) or on the video card that is attached to the motherboard. Try re-connecting the cables. You may as well locate the display connector on the back of the end LCD panel. Re-seat that one too. This way you can be sure that the problem is not related to connections.
image002.jpgEvery now and then the switch located on the system board that turns the backlight of the LCD on and off can become stuck. If this is the problem then your LCD never powers on. There's a little switch that detects whether the screen of your notebook is open or closed. That's the one we're talking about. Try to push it down and hope it gets unstuck.
Disassembling the laptop to unstick this switch is an option, but sometimes you can get away with not taking it apart. Try lightly hitting that plastic switch. But wait, this isn't the only possible cause, unfortunately. Re-seat the other connectors and cables that are present around the LCD panel and the video on board (including the inverter).
All of the aforementioned can usually be fixed, but let's not forget about the screen itself. Sometimes the screen can become defective. Here we'll enumerate a few scenarios where the screen has gone bad and must be replaced: lots of vertical lines or bands appearing on the screen; half of the screen works fine but the other half stays either black (blank) or really white; the output on the screen looks blurred and changes to different patterns; and so forth. These are almost always signs of a defective LCD panel.
However, if the output on the screen is nothing but garbage, such as incorrectly placed special characters, shadows around the characters, unknown randomly placed marks of different colors, distorted or ugly-looking geometric patterns, or tiny little white dots all over the screen, then these are almost always due to the system board or the connection between the LCD panel and the video card. Re-seat the connectors.
All in all, these are some of the most common hardware failures. Nevertheless, before we finish this part, let's name some of the others that will be covered in the second segment of this guide, along with the promised system instability troubleshooting strategies. These include clicking noises coming from the HDD, which is the well-known symptom of a dying HDD. Thus, back up your important data as soon as possible and order a replacement. Overheating is also discussed thoroughly.

Good luck !!!

Regards
PCmania

Jul 16, 2009 | Compaq Presario R3000Z Notebook

1 Answer

Sound driver problem in Compaq C740TU / O.S- Window XP


Hi there.
Your audio is "Conexant High-Definition Audio"

Download and install this driver and see if will work as HP don't supply a driver for XP
Post back if the driver does not work and don't forget to restart the laptop after installation >>>>>>



http://asia.cnet.com/downloads/pc/swinfo/0,39000587,50002418r-39535777s,00.htm



Good luck and thanks for choosing FixYa!!

Jun 09, 2009 | Compaq Computers & Internet

1 Answer

Laptop won't turn on, battery won't charge


I had a similar issue with the Armada M700 from Compaq. Never did figure it out exactly. But I do know this. When you unplug the power chord and take out the battery and plug the power chord back in while the battery is out usually for some reason it turned on allowing me to replace the battery which would then begin charging. Your problem interests me because I can really relate!

Jan 14, 2009 | Compaq Presario 1200 Notebook

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Audio driver for C740TU,compatibale with win XP sp2


Hi,

For a Compaq Presario C740TU Notebook PC running Windows XP, audio drivers would be for Conexant High-Definition Audio. Importantly, SoftPaq Number SP31994, "Microsoft Universal Audio Architecture (UAA) Bus Driver for High Definition Audio," (or later) must be installed on the notebook before installing SP32823.
  • sp31994.exe 1/1 (6.12M) (ftp://ftp.hp.com/pub/softpaq/sp31501-32000/sp31994.exe)
  • sp32823.exe 1/1 (6.12M) (ftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32823.exe)
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Oct 13, 2008 | Compaq Presario 700 470024-192 Notebook

1 Answer

Compaq C740TU speaker does not deactivates if external speakers are connetced


The internal speakers should automatically be disconnected by inserting a 3.5mm jack plug in the audio out socket. It may be that your headphones or external speakers are using a 2.5mm jack which is too small to operate the switches in the audio out socket. Purchase a 3.5mm jack plug [cheap] and plug this in if it disconnects the laptops internal speakers then you need to connect accesories with the correct size plug.

Mar 14, 2008 | Compaq Presario 700US Notebook

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