Question about Lifetime Compaq Presario CQ42 Replacement Laptop Power AC Adapter / Charger (91812068753)

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Presario cq42 no display in the screen but there is power

No display but there is power

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Compaq presario caps lock blinking no display


You have some problem with motherboard, search over internet.

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Presario


You. most likely, have backlighting issues. It could be a couple of things. Are you intending on a repairing it yourself?

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My laptop cq42 fan too noisy


Get a can of compressed air and clean out all the vents and fans. You can also use a vacuum with a hose attachment to clean it.

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No power hp compaq cq42 notebook


try to remove the battery and plug the charger.

Dec 17, 2011 | Lifetime Compaq Presario CQ42 Replacement...

1 Answer

I am not able to connect the laptop to projector


press the source button of the projector, or maybe your laptop did not set to display to the project.. there's a button "Fn" + the Function Button with a logo of a monitor..

Nov 25, 2011 | Lifetime Compaq Presario CQ42 Replacement...

1 Answer

I have compaq presario CQ42. How to decrease the brightness of the screen. I have tried holding with FN key and light option but not working out.


If you have vista right click on the battery icon in the bottom right corner and choose "power options" then click on "Adjust the display brightness" on the left side. then move the slider where you want it.

Jun 17, 2011 | Computers & Internet

1 Answer

I have compaq presario cq42, its screen sudenly half dark and half light. what i shud do?


try to change colour seetings using button given on the screen if it dosent work then ur monitor is faulty . replace the screen

Mar 06, 2011 | HP Compaq Presario V6000T Notebook

1 Answer

Please help me, I couldn't install win XP in Compaq Presario CQ42, blue screen was displayed 0xF78D2524,0XC0000034,0X000000000,0X000000000


For most hp Compaq laptop, when installing Win XP resulting in Blue Screen Of Death (BOSD)

Take note** Reset your Bios setting,
"Disable" ->SATA Native Support -> save & exit

Then install WinXP.

Hope it helps.

Aug 25, 2010 | Computers & Internet

2 Answers

I just bought Compaq Presario CQ42 which black in color (i don't know the model exactly). i have a problem with the touchpad. i want to lock it but i didn't find the button and i don't know how to lock or...


Underneath the Laptop is a Users Label marked Model it should give the FULL model No. - e.g. Presario CQ42-100 - HP made something like 150 different models for the Presario CQ42 !!! so you can see, I'm going to have to guess about this...
If your Touchpad has a black(?) dot in the top left corner - tap this once to turn the Touchpad off while you are typing.
Touch it again, to turn it back on.
Other Presarios' have a switch nearby to do this...

Aug 03, 2010 | HP Computers & Internet

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