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Backlight only stays on for a few seconds on compaq c700 that is only a year old

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When the external AC power supply is unplugged from a notebook, the LCD display will dim to conserve on battery power. During times of heavy battery power operation; such as during the startup or boot process, the display may be very dim or barely readable. If the display remains dim when the notebook is operating on the Windows desktop, follow the steps below to resolve problems with display brightness Restart the notebook with AC power Follow the steps below to determine if the dim display is due to a hardware failure:

  1. Connect the AC adapter to the notebook and a working electrical outlet.
  2. Power down the notebook PC by pressing and holding the power button for 5 seconds.
  3. Press the power button again to start the computer.
If the display is still dim after restarting with the AC adapter connected, try changing the LCD brightness. Adjust the LCD brightness using the function keys From the Windows desktop, hold the fn key and press the f7 key backlight only stays on for - c00776226.jpg to increase or the f8 key c00776225.jpg to decrease the brightness of the display. If using the function keys does not resolve the problem and you have a Lid Actuator on your particular model, check the movement of the Lid Actuator switch to determine that it moves freely and is not stuck. NOTE: The key numbers ( f7 or f8 ) may vary depending on the notebook PC; however, the images on the keys should be familiar. Check the movement of the Lid Actuator switch The Lid Actuator switch is available on some models. It is a small button or switch located above the keyboard near the hinge for the LCD. Pressing this switch when the computer is on may turn the notebook display off, or it may cause the notebook to enter a different power state. Press the switch two to three times while observing the display. If the display does not return to normal brightness when the switch is released, the switch may be sticking and need to be repaired. Contact HP service and support for further assistance. If the display turns off when the switch is pressed, the power management function may be set to hibernate or turn off when the lid is closed. Install updated BIOS and drivers To resolve certain hardware and software issues, use HP Health Check to automatically search the HP web site for an updated BIOS as well as any updated software and drivers. To launch HP Health Check, follow the steps below.
  1. Click Start , type health into the search field, and then select HP Health Check from the list. HP Health Check displays a list of available BIOS, software, and driver updates for your particular model.
  2. Click the description link for any BIOS, software, or driver updates, and then follow the on-screen instructions. You can only install one update at a time.
  3. Repeat steps 1 and 2 above for all updates that you want to install.
You have now installed the available BIOS, software, and driver updates for your particular computer model. Contact HP service and support If the display remains dim after doing the troubleshooting steps listed in this document, contact HP service and support for further assistance.

Posted on Oct 15, 2008

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How to reset BIOS setup password?


Well, I haven't worked on a Compaq for a few years but they're one of the models that respond to having the CMOS battery removed.

Basically, remove battery, find location of CMOS battery (usually under memory cover or HDD cover) and disconnect or pull it out for 30 minutes and you should be back to factory defaults.

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My laptop wont run when plugged into outlet


Replace the motherboard. I have seen them online for sale at $30 to $40 bucks.

http://www.getpartsonline.com/462439-001.html

[FIND the part number on the old motherboard. Make SURE you get the correct part number ]

Here's the link to a free Service Manual from HP,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lang=en&lc=en&product=3540082&

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Need guidance? Post back in a Comment.
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Lost my laptop presario c700 driver disk please allow me to download free


Hello there,
To be exact there are six models of Compaq C700 laptop. to identify the model, turn you laptop upside down and read the details on the sticker.
Compaq C700 Main Compaq C700 CTO Compaq C700 EM Compaq C700 ET Compaq C700 LA Compaq C700 CTO Compaq C700 XX
1. Select your OS 2. Scroll down, drivers are displayed alphabetically
Hopefully this helps. Thank you for posting..

Jul 08, 2011 | Computers & Internet

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I bought compaq c700 before 1 year,I need a


Coimbatore does not have a Compaq service center.
The nearest place would be to go to Anna Salai in Chennai or there is one in 5th Avenue Anna Nagar Chennai. They will be able to help you.

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Laptop LCD goes black after a few seconds


Hello,

Yes, The pink tint is an indication that the backlight is failing. Now the backlight is basically dead, the best way to get back going is to do an Ebay search for your model laptop and get a new screen. Most screens can be purchased for around $50.00 - $70.00 and they are very easy to swap. Email me if you need more info.

Buddy
Corporate Computer
www.ccl-la.com

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Compaq no power


try any other power socket

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