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How do I replace the backlight?

I need to replace the backlight on my presario C300. How do I do that?

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Replacing of the back light is a very complicated thing. it better should be done by authorized service personnel. why to waste 10 if you can give 1 to authorized service personnel.

still if you want to replace it you can find the dis assembly guide in the following link

http://www.google.co.in/url?sa=U&start=1&q=http://h10032.www1.hp.com/ctg/Manual/c00753552.pdf&ei=c27uSYniJKTW6gPE0YTNAw&usg=AFQjCNEi_H3tB_6ddQd28x6fb4Iw8524lw

Posted on Apr 22, 2009

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Posted on Jan 02, 2017

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1 Answer

The lower part of my lcd is not showing


Hi
Confirm the issue lies with the screen and not the graphics chip by testing the laptop connected to an external monitor, if you get a good diaplay on an external monitor, then the screen backlight and maybe the inverter is damaged, it could also be a faulty VGA cable. The only way to test this is by replacing the screen.

If however it fails to display correctly on an external monitor, you have a failing graphics chip

Jan 03, 2011 | HP 435768-001 - Compaq Presario C300...

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Compaq presario c300 vga driver needed


Hi psg_vision,

You can find all the drivers for your model here, just select your exact model and operative system.

Hope it helps

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Compaq Presario laptop C300 - issues (orange light)


Sometimes when a PC gets stuck in hibernation mode, the only way to reset it is to remove the CMOS battery for 10 minutes and replacing it. It resembles a large watch battery and is usually located near the center of the motherboard.

Dec 16, 2009 | HP 435768-001 - Compaq Presario C300...

1 Answer

Replace keyboard presario c300


Below is the link for the service manual. The keyboard replacement procedure is on chapter 5, page 21 to page 25.

http://h10032.www1.hp.com/ctg/Manual/c00753552.pdf

Nov 26, 2009 | HP 435768-001 - Compaq Presario C300...

2 Answers

I had to replace the hinges on my c300. the screen worked before i unpluged everything now i only see a faint screen. any suggestions


Sounds like a backlight inverter issue. Perhaps during the repair the wires disconnected or there was a short circuit. You should look for improper connections from the display. If every connector is ok, then maybe you need to replace the inverter.

Sep 07, 2009 | HP 435768-001 - Compaq Presario C300...

1 Answer

Presario c300


first uninstall old audio driver then downlaod from this link.
http://h10025.www1.hp.com/ewfrf/wc/pfinder?lc=en&dlc=en&cc=us&query=presario%20c300%20&dest_page=softwareCategory&tool=softwareCategory

then install.
First you have to select your model and operating system.

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Compaq Presario C300 Recoivery Disc 2 corrupt


Hi John.

F11 process is not working and you get a NTLDR missing when you turnon the notebook.

Steps to be performed:
1. Perform hard drive self test from BIOS.
2. If it is passed then use retail version of operating system disk to install XP or try using new recovery disks which nay cost you $15.00.

In your notebook model this issue appears if there is any issue with the hard drive.

Jul 04, 2009 | HP 435768-001 - Compaq Presario C300...

1 Answer

Lost my sound drive


Compaq Presario C300 support

1. Select model
2. click software and driver downloads
3. select OS
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3 Answers

How to take apart the case of a Compaq Presario C501NR Notebook PC so i can see the motherboard?


Hello,

According to HP, the C500 guide isn't readily available but you can use the C300 manual listed here http://h10032.www1.hp.com/ctg/Manual/c00753552.pdf

You will need to start with the Removal and Replacement Procedure section.

Thanks

Aug 25, 2008 | Compaq Computers & Internet

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