Question about HP Compaq Presario C769US Notebook

3 Answers

Compaq presario laptop goes completely black (no start, nothing) after password is entered on welcome screen. I turn the unit and enter my p-word. It says "welcome" with the spinning circle for a rather long period of time and then goes directly to an all black screen. Re-booting gets the same result. Ctrl/alt/del does nothing, nor does esc. It was working fine last night.

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  • Chris Davis
    Chris Davis Dec 20, 2017

    You should also check your hardware on your computer. My laptop would sit at the post screen long enough that i just turned it off and tried choosing another key but come to find out there was a problem with my keyboard. I know it was the keyboard because i unplugged it and plugged it back in and now it starts up like a champ. But check cables,hard drives ram,key board etc and if you know for sure your hardware stated above is good then it could be a bad motherboard

  • Chris Davis
    Chris Davis Dec 20, 2017

    I unplugged the keyboard and then plugged it back (sorry forgot to say it up top

  • Larry Ng
    Larry Ng Dec 20, 2017

    Chris its 2009 post


    Posted by Skempson2000 on Apr 13, 2009

    btw his OS is corrupted or bad HDD
    not the keyboard.!

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Maybe looking for a external monitor. Sometimes they’re are hot keys on the keyboard in a light shade of blue. Usually called FE keys

Posted on Dec 20, 2017

  • Anonymous Dec 30, 2017

    the post is 2009
    the pC was sold long ago, or dumped.
    almost a decade ago. wow.

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Sometimes when somethings messed up like what your talking about you can during startup when you see your computers brand and options underneath push f8 and use the last known good configuration is what i beleave its called.

Posted on Jan 11, 2012

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Are you able to go safe mode? Reboot and when the logo appears, press f8 and select safe mode. If you are able to, you might want to run a antispyware or antivirus software.

Let me know if you are able to access that.

Posted on Apr 13, 2009

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Posted on Jan 02, 2017

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Hi Thanks for your question
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Shutting your computer down without closing operation system properly may cause start up issues like this one.
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Hello,
A password on boot is not set by default. The owner activates this option. If some prankster or michief maker has entered a password on boot on your computer without your knowing it, there is nothing you can do, save taking the machine to an HP Certified Service Center to have the password removed or reset.
As the password on boot is a deterrent against computer thefts, you might be asked to show proof of ownership. This certainly is the case with Toshiba laptops.

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I have a Presario C500 Compaq laptop


when upower up press F8 key then enter in enable vga mode.
then set screeen resolution to 1024*768
and if u r not abled to login enable vga then enter in safe mode.
then go to start menu run then type in run "chkdsk /r"
thats it
then restart it then it fix error on hardddisk.

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Enter password app. on start up


You have set a password for your BIOS. Try all passwords you would have for something and if that doesn't work, try entering "Compaq".

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Password


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no matter what the user sets the BIOS password to.
These passwords are typically used for testing and maintenance.
Manufacturers typically change the backdoor BIOS passwords from time to time.
BIOS Password Compaq

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