HP G62 US-340, Black screen and flashing caps lock

HP G62 US-340, Black screen and flashing caps lock when i power it on, And some time it comes on like it should. I tried draining all power from unit to reset and that wasn't any help. Can you help me Please ?
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Hi @mikeyh25
Thank you for your query, I will do my best to help!
I understand that when you start up your notebook you get a black display with no error messages,but you see the Caps Lock light flashing.
Here is a link to assist you. Computer does not start and the LEDs blink or the computer beeps.
Best of Luck!
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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Pavilion Dv5-1009el - Black screen and blink caps lock and block scorr

Hi,
I just replaced the motherboard of my pavilion that reported an error as object. The purchased motherboard is new and hp original.
After having changed, I turn on the pc and work fine, i see the hp logo and enter to bios, after I turned off the pc without starting windows.
I inserted the battery and powered on the pc and returns to the old error, the LED of caps lock and block Lock blinks...
So I tried to update the bios from USB using winkey + B. The computer emits two beeps but does not read from any USB port and the LEDs go out for a while and then blink again.
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Greetings,
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Hi @shmurray,
Welcome to the HP Support Forums!
I understand you are getting a blink pattern on the Caps lock LED, when you turn on the notebook. I am happy to help you with this.
I am including the page on the error codes for your reference: Blank Screen LED Error Codes
From that document the pattern you are getting indicates a memory problem. You said that you have tested the memory. What exactly did you try?
The document suggests reseating the RAM or trying a new set of RAM and then restarting the notebook. If you are still getting a memory problem after trying both of those things, ie a 3 blink code again, then it would likely suggest that there is a problem with the motherboard itself, either with the memory slot or one of the controllers related to memory.
In that case I would suggest contacting the technical phone support number at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region.
http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
If however reseating the memory or replacing it leads to a different error code or message please let me know, Although in that case the following may be helpful if you still have a blank screen.
Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot
Here are some other sources I found that may be helpful to you.
Resolving Problems with Notebook Displays (Windows 7 and Windows 8)
I hope that this is helpful to you.
Regards,
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping!

Pavilion DV6, Black Screen and 3 Caps Lock Blink

HI,
I have an Hp Pavilion DV6 and I am getting the 3 blinks on the caps lock. When I turn on the PC it starts up, the caps lock blinks 3 times and the screen is just black. I have already tested the memory sticks, drain the battery, and hooking it up to an external monitor. Nothing shows on the other monitor and it just remains black. Please help!

Hi @shmurray,
Welcome to the HP Support Forums!
I understand you are getting a blink pattern on the Caps lock LED, when you turn on the notebook. I am happy to help you with this.
I am including the page on the error codes for your reference: Blank Screen LED Error Codes
From that document the pattern you are getting indicates a memory problem. You said that you have tested the memory. What exactly did you try?
The document suggests reseating the RAM or trying a new set of RAM and then restarting the notebook. If you are still getting a memory problem after trying both of those things, ie a 3 blink code again, then it would likely suggest that there is a problem with the motherboard itself, either with the memory slot or one of the controllers related to memory.
In that case I would suggest contacting the technical phone support number at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region.
http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
If however reseating the memory or replacing it leads to a different error code or message please let me know, Although in that case the following may be helpful if you still have a blank screen.
Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot
Here are some other sources I found that may be helpful to you.
Resolving Problems with Notebook Displays (Windows 7 and Windows 8)
I hope that this is helpful to you.
Regards,
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping!

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http://support.apple.com/kb/HT1432
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Power down, unplug if needed.
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My computer bought 7 March 2009.
I am not sure if there is a voltage issue, but there is certainly a heat issue and has been since I bought it, almost constantly overheating. For circa 2 months it has become increasingly slower to load to desktop. For circa 1 month the operating system became stuck in a reboot cycle - rebooting over and over instead of starting up normally.
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Hello chiodo
Welcome to the HP Forums! I hope you enjoy your experience!
I understand the computer will boot to a blank screen. I will do my best to assist you! To troubleshoot the issue, please try the steps in this HP document: Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot
This document contains the steps to resolve your issue. If these steps do not work, I would contact HP support for assistance. You can utilize this website to learn how to contact HP appropriately, based on your region: Contact HP Worldwide
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Mario
I worked on behalf of HP.

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Message was edited by: Carolyn Samit

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Try these:
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2: Air cleaned the power vents around the fan same again no boot.
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Dear Customer,
Welcome and Thank you for posting your query on HP Support Forum
It looks like your Notebook has a blinking/flashing CAPSLOCK light and a blank screen all the time
Whenever the Capslock LED Blinks once that means CPU not functional and we need to replace the Processor
However, I would request with you to perform the below shown step before contacting HP
Step 01. Turn OFF the Notebook
Step 02. Un-plug the Power/AC Adapter and also remove the battery too
Step 03. Press and Hold the Power Button on the Notebook for a full minute
Step 04. Test your Notebook with Battery and Power Adapter alone
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Hope this helps, for any further queries reply to the post and feel free to join us again
**Click the KUDOS star on left to say Thanks**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem
Thank You,
K N R K
Although I am an HP employee, I am speaking for myself and not for HP

Bios update failore with black screen and 3 time flashing, my product name is (Pavilion g6-2162se) .

Hi
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Hi,
Check if this helps:
Restoring the BIOS
If it is blinking 3 times it usually indicates memory issue..So you can try reseating the memory modules or try one memory at a time in each slot..
Refer the links below:
HP Notebook PCs - Troubleshooting LED Blink Codes or Beep Codes During Startup or Boot
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Note:
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Although I am an HP employee, I am speaking for myself and not for HP.
**Click on “Kudos” Star if you think this reply helped** Or Mark it as "Solved" if issue got fixed.

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HP G62 US-340, Black screen and flashing caps lock

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