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My laptop presario cq40's monitor is not displaying anything. but caps lock key and scroll lock is blinking automatically

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My laptop presario cq40's monitor is not displaying anything. but caps lock key and scroll lock is blinking automatically

Posted on Nov 09, 2010

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Try to re flow GPU or try to reballs

Posted on Jan 11, 2013

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1 Answer

Loptop presario cq40 turn on with out display


You probably have a mbr virus.

Download The following iso listed below. It is the latest version of the Kaspersky rescue disk. You need to burn it to a CD with a program like Imgburn (Which is also FREE like the iso file). Then you need to boot from the CD and run the scanner. It should fix you right up.

Kaspersky rescue cd download:
http://majorgeeks.com/downloadget.php?id=6501&file=1&evp=ef4247319d4b536cb88b74d1ae4842b0

Imgburn download:
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Aug 18, 2012 | Compaq Presario CQ40 CQ45 CQ50 18.5V 3.5A...

1 Answer

My laptop presario cq41's monitor is not displaying anything, but caps lock key and scroll lock is blinking automatically


remove the adaptor and the battery from the laptop tilt the laptop and remove the memory from the compartment and clean the memory with a clean cloth and insert the memory and press it to lock and restart the laptop by inserting the battery

Jul 30, 2011 | Computers & Internet

1 Answer

My laptop presario cq41's monitor is not displaying anything. but caps lock key and scroll lock is blinking automatically


Try moving the mouse or push the power button. If it doesn't work try turning off the comp., then unplug the ac adapter and remove the battery. Hold the on button for 10 seconds without the powersource. The put the battery back in and the ac adapter and try turning on the comp. again.

Mar 18, 2011 | Computers & Internet

4 Answers

Good day.. my compaq presario cq40..is powering on but blank on the screen and caps lock and num lock blingking only..thanks


Hello good day,sir
My compaq presario cq40..is powering on but blank on the screen and caps lock and num lock blingking only.I try ready so many time but everything are not meaning for me that's why i need your help,sir.please,give me some advice for power back.
Thank sir.

Feb 18, 2011 | HP Compaq 6735s Notebook

1 Answer

My compaq presario cq40 is power on but no display in screen.. the caps lock and num lock light is blinking...


Please get and test your Display chipset this causes that problem as you walkthrough the steps of how BIOS works. It stops from the execution of the program written to test the functionality of the output which is your DISPLAY or LCD screen or PRN.

This might cost you around RM200 bucks.

Nov 12, 2010 | HP Compaq 6735s Notebook

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