Question about Compaq Presario Notebook

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My laptop Preasario cq61 has the black screen problem, when it starts it shows the first screen fine ( the one where you can hit ESC to enter the bios) after that it goes black and in the top left corner theres a white line blinking all the time. If i prec Ctrl+Alt+Del it restarts, i cant enter safemode because the freakin F8 doesnt work, just makes beep sound when i press it, and i can reinstall windows because it wont boot the cd, i set boot from cd/dvd in the bios boot up, but it still wont start, it just goes to the black screen and thats it, please help because im two steps away from using my laptop for hitting bricks!!!

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OK download that service manual, follow the troubleshooting procedures and you will sort your problem out in now time, i have a hunch, that your HDD, is faulty... and may need replacement. Anyway Download and use that manual, it's a generic one.. but will still work for you.

Posted on Apr 11, 2010

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Compaq presario cq 61 boot in black and white screen

Posted on Apr 24, 2010


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Posted on Jan 02, 2017

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1 Answer

Why do I have a Black screen but can see and move the curser?

Try hitting ctrl+shift+esc if the task manager opens click on File>Run new task. Type here "explorer.exe" without the quotes and hit enter. If it loads properly reboot the computer again.

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Compaq Presario CQ61 will not start. Have removed battery and tried to start with just power cord. Nothing happens. If battery is installed the led with the lighting bolt will flash but laptop still will...

nothing happens, I will take that as no text shows on the screen
at boot (power button on ) time as it did for

CQ61 is not the full model number making accurate answers x10 harder. for any helper, who knows HP gear.
forget that huge battery, no laptop needs it to run on AC power.
most batteries this old are bad. same with the RCT/CMOS coin cell in side. page 55 shows how to replace IT.

The big battery is ALWAYS fix last DEAL. ok?
the blacks screens are 1st always, to diagnose them first.
ill pretend you said CQ61-100 (not 200,300. and so on)
looks like it was made in 2009 .
for 8 long years , you pushed power and saw
"Press the ESC key for Startup Menu" text,
but today, you see 'NOTHING" (nothing is nothing)
does the fan inside blow air and heard ? if not the AC pack is bad.
(wall AC >>>>Pack>>>>19vdc-to-PC)
so that is the black screen of deathh(sic) I call it.
so if the power pack is still good, we do the flash light test.
ever heard of CCFL back lamps, they ended in 2010
(see why my wanting real model numbers matter?)
if it has ccfl lamps they all fail about NOW.
the flash light test.

the black screens of ***** list is here. and tests.
it has many causes. the ABOVE OR top CAUSES. ONLY
THE GOAL IS BIOS SCREENS. "esc" key BIOS is first
the cause of those are . here, 14 steps
remove power pack, and AC pack
push power button, for 10 to 30 seconds this is the HP
magic RESET, (its harmless)
AC PACK back in place. and to wall power hot.(means live power)
NEXT , if the fan works.!
if the fan does not work (say so please) and we can work that FIRST.!!! (in truth fan is first, it must blow )
ever clean out 9 years of lint inside? service it?

most CCFL were in fact inside Old C61 PCs.

see this? (this os folks changing them over and over)

They ended these junky CCFL in 2010, phase out.
a key year to not buy PCs older that that Laptops.

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Black screen enter password

after typing your password and once the screen goes black again press [ctrl+shift+esc] this will open task manager

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I love posts that use haywire words...
old Cq61 (310us) is it a 310? for sure, as the service tag shows?
no photo of screens, i can promise you that missing photo
is worth 1000 words !
does it run with them main battery out on line power AC?
it must for as long as you want too.

my guess, besides above test 1 on all laptops
is to
make sure its not overheating. and fan blows, and fan is not packed in lint if the GPU chip overheats it can go nuts. all can,.
we run temp monitor program that lets me see all that.
but im not teaching that now.
this PC has an LED screen so is very good.
but if hit, they break easy, super easy. kids playing thowing things at the screen or dropped PC.

The pC has and external VGA jack to test the PC on any VGA desktop monitor.. (barrow one for a day)

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Hi i had a wireless internet connection on my advent laptop till about 2 weeks ago and it doesn,t work anymore i have a internet conection as i,m using a different one and work perfect but this one...

Hi Friend, In this case as you have told me that you have other laptop which is working fine wirelesly. I would like you to check the IP address of the system in which you are facing the issues.
To check the IP address: 1) If system has XP Click on "Start" and then "Run". Type "cmd" in Run and hit enter A black screen will pop up, in that type "ipconfig", where the cursor will be blinking Check the IP adress under " Ethernet adapter local area connection" & " Wireless adapter"
2) If it is Vista/Win 7 Click on Start again and in Search field type cmd and hit enter Same black screen will pop up and repeat the same above steps in the black window and check the IP adress

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HP zv5430us laptop has no video. Blank

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yes, good do the ESC key, BIOS entry, .see BIOS work.
great , if yes, the the HDD is not booting windows? what?
Suspect now is the power pack. as low as $15 cost.
the pack is 19vdc, does it measure that? if not its bad. (or the pc is shorted)

at HP, the support ended. and is offically Retired

got any beep codes , or keyboard blink codes there?
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Entering the bios

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Good Luck

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