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Cq45 caps lock light blinking no display what is the solution

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  • 113 Answers

How many blinks? eg. *** *** *** post back here or email arjoon.ken@gmail.com

Posted on Oct 17, 2013

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Posted on Jan 02, 2017

gsage
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SOURCE: my compaq presario cq40 is

You have a m/board failure

Posted on Jul 10, 2011

  • 2 Answers

SOURCE: my compaq presario cq40 is

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.

Posted on Aug 26, 2011

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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.

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I have compaq presario cq45. When I start laptop First start fan for 5 Second then blink caps lock and num lock LED .and display not visible.I chack RAM that is proper ..


If the fan stops after 5 seconds and you can't get a display your motherboard, GPU, or CPU are shot. Remove the ram, and power it on if you hear no system beeps your, GPU, or motherboard are shot. Probably cheaper to replace laptop then repair, just remove your HDD, so you or someone else can retrieve your information for you.

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


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

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1 Answer

Power light comes on but not working


First you need to determine how many blinks you are getting when you try to power on the laptop. Check the blinking codes below and reason behind that for HP Compaq laptops Blinking battery power LED Battery Insufficient charge on the battery Blink: 1 - Caps Lock/Num Lock - CPU CPU not functional Blink: 2 - Caps Lock/Num Lock - BIOS BIOS corruption failure Blink: 3 - Caps Lock/Num Lock - Memory Module error not functional Blink: 4 - Caps Lock/Num Lock - Graphics Graphics controller not functional Blink: 5 - Caps Lock/Num Lock - System board General system board failure Blink: 6 - Caps Lock/Num Lock - BIOS BIOS authentication failure You need to first Remove the memory module (RAM)- Try to power on the laptop ? then again reset it and try to power on. Check whether it is coming on or not. try the same procedure with Hard drive. If laptop is getting power on after removing one of the device then we can be sure that that particular device is faulty and we can change that then? Let me know if you find any difficulties doing this.. I hope this will help you to get it work. Plz vote for me..Dreamkam

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Compaq Presario CQ45 screen remains blank... help


Open the Notebook from the back side and locate the RAM. Now remove the RAM and place it again and check, you can even try inserting the RAM in different slot if any used slot is available.

Check out.

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1 Answer

When I press the power button, caps lock, scroll lock, num lock, power led and hard disk led blink in every 5 seconds


they continue to blink every 5 seconds until you turn it off? It should blink all lights upon powering on but then remain off,

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