Hp pavilion dv 7 black screen

Hi, I have a dv 7 pavilion c670Ca, I had trouble with the motherboard when I tried to clean the fan(black screen and caps lock blink continuesiouly, no fan sound), I did replace it with a new you one but I still have the black screen with orange wifi light on, the fan is turning too and I have the light on on the behind of the screen. I tried to disconnect everything but nothing does work !
Any suggestions ?
Thank you

Hi @Taqui3 ,
Thank you for visiting the HP Support Forums and Welcome. I have looked into your issue about your HP Pavilion dv7 Notebook and issues with the LCD screen not showing on the display after fan replacement. if you can see the image on a monitor it is not the graphics card and could be the LCD screen or the cable.
Have you connected the Notebook to a monitor? Here is a document on how to connect to a monitor if you need it.
You could restore the BIOS with this document selecting the reloading the BIOS default settings which could resolve the issue with the fans.
Here is a link to computer won't start for Windows 7.
You can do a system restore. System restore will help if something automatically updated and did not go well on the Notebook.
When performing a System restore please note remove any and all USB devices. Disconnect all non-essential devices as they can cause issues.
I hope something here helps you.
Thanks.
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Similar Messages

HP Pavilion Dv7 4180ea Black Screen

Hi,
I have a HP Pavilion Dv7 4180ea and my problem is that last night I put my computer on sleep and today, when I turned it on, there was nothing but a black screen, even if the computer was working fine in the background.
I connected it to my TV through a HDMI cable and the laptop is just fine, everything works perfectly when connected to the TV, but when not, the bloody screen won't turn on.
I searched what the problem would be, but I couldn't find anything relevant to my situation.
I tried a hard reset and then I took the whole laptop apart, cleaned it out, changed the thermal paste and everything, connected the display cable...and made sure it was properly plugged in and turned it back on, but no luck with the display, it is still black, even though the computer itself works.
Any help would be greatly appreciated.

Hello Flav,
I see that you're having issue with a blank display. I will try to help you with this.
As you've tested with another output source and it's working, this generally imply something wrong with the actual display.
Though you've taken it apart and put it back together may not have resolved, it it wasn't just a loose wire.
Anything software related, may not be viable to try, but you can still attempt a few things:
The remaining steps in here: Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot
This may have additional steps -Resolving Problems with Notebook Displays
Also, make sure that the graphics driver is up to date. There were also recent Windows updates effecting computers in various ways included black screens. If this happened recently (after updates), try a System Restore
If none of the above works, I'd advise contacting phone support for repair/replacement options.
HP Technical Support, North America 1-800-474-6836. For all other regions click here.
Thank you for posting on the HP Forums
I worked on behalf of HP.

I have pavilion g6-2123us black screen

i have pavilion g6-2123us one day i turn on my pc screen was black, fan working hard drive working, i try hard start, i try battery disconnected, power drain, started but no success , I replaced lcd, reload recovery and drivers still black screen, external monitor works. would any one help me please?

Hello narut,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that your notebook is only displaying a black screen, and I would be happy to assist you in this matter!
Since you have already performed a hard reset and replaced the LCD, I recommend following this document on Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot. This should help your computer regain a successful display.
Please re-post with the results of your troubleshooting, and I look forward to your reply!
Regards
MechPilot
I work on behalf of HP
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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.
What can I do?
Greetings,
Enzo.

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
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Pavilion dv6-1230us Black Screen after installing Windows 7...Please Help

Hi,
I recently installed Windows 7 and everything was working fine until my computer went into hibernation. Before this, I installed all the drivers and software from the HP website for my computer for Windows 32 bit setup. After my computer went into hibernation, my computer will not start up in normal mode; rather, it starts in safe mode only. When its starts in normal mode, the screen just turns black and nothing happens. The login screen comes up perfectly fine but after I login at startup, the screen just turns black. Please help, I don't know what else to do whether it is a driver or software issue from the software from the HP site.
Thanks,
Daniel

Did you check Apple Support Boot Camp article?
iMac displays a black screen during installation of Windows 7
http://www.apple.com/support/bootcamp/
Installation Guide
Instructions for all features and settings.
Boot Camp FAQGet answers to commonly asked Boot Camp questions.
Windows 7 FAQAnswers to commonly asked Windows 7 questions.

Hp pavilion dv6 laptop black screen

Hi all please is any one help me I have my hp pavilion dv6 laptop.
The laptop is working,have the necessary sounds after i
turn it on,but the problem is that the screen stays always black
..I connect the laptop to external monitor and it shows that everything is working properly. But It not working on laptop screen what should I do heplllllll

Hi
I'll try helping you with this,
You'll have to give it for repair - display assembly replacement. The display panel might be at fault here as your system works good when connected to external monitor.
But before that,
Do a hard reset first --
Turn off the computer by pressing SHIFT KEY while you click SHUT DOWN.
Remove the computer from any port replicator or docking station.
Disconnect all external connected peripheral devices such as USB storage devices, external displays, and printers.
Unplug the AC adapter from the computer, shut down system.
Remove the battery from the battery compartment.
Press and hold down the Power button for about 15 seconds to drain any residual electrical charge from the capacitors that protect the memory.
Insert the battery and plug the AC adapter back into the notebook computer, but do not connect any of the peripheral devices.
Press the Power button to turn on the computer.
Next:
To confirm, connect it to other monitor & do a full extensive hard drive & memory test from BIOS, tap quickly F2 or F10 soon after powering on the system.
If all tests are passed, contact HP service center.
thanks,
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Pavilion dv6-3040sa, black screen, flashing caps lock

Hey all, In need of some help for a friend, her laptop has had this issue for a while now and only just come to me for help. Her HP Pavilion DV6-3040SA has an odd issue with it, if you power it up the display doesn't come on and the caps lock just flashes, it will continue to flash until the laptop is turned off. On the help section a flashing caps lock does not refer to any particular error. I've reseated RAM, tried hard resetting, reseated the CPU and it managed to power up, then after it was turned off, it wouldn't power up again and had the same issue, after playing with it some more it powered up and worked for 2 days, when it promptly stopped working again. Any reason for this issue?

Processor failures can be have inconsistently. I have seen processor failures start with 1-2 second hangs in the OS to working one day and not at all the next.
The blinking code you have desribed is a beep code of one. Review the following table found here.
Caps Lock/Num Lock
1
CPU
CPU not functional
Reseat replace CPU.
Service
Caps Lock/Num Lock
2
BIOS
BIOS corruption failure
Restore BIOS from onboard backup (jumpers)
Service
Caps Lock/Num Lock
3
Memory
Memory module error not functional
Reseat memory modules (see next section).
Test memory from UEFI or BIOS.
Replace bad memory modules.
Service
Caps Lock/Num Lock
4
Graphics
Graphics controller not functional
Service
Caps Lock/Num Lock
5
System board
General system board failure
Service
Caps Lock/Num Lock
6
BIOS
BIOS authentication failure
Restore BIOS from onboard backup (jumpers)
Service
The options for a blink code of 1 is to reseat the CPU as you have already done or to replace the processor. Since the issue returns after reseating the CPU, it looks like the CPU needs to be replaced. Sorry.

Pavilion dv6-7010us black screen, caps lock blinking indefinitely and orange wifi light

The laptop is a HP Pavilion dv6-7010us resently installed windows 8.1 pro, 8gb ddr3 (4gbx2), 320gb hdd (not the original hdd)
i was giving a normal maintenance to the laptop to remove the dust, nothing of the other world, the machine where functioning pretty well 'till this moment, i turn on the laptop and i see the caps lock blinking at 1sec intervals and the wifi light in orange not blinking just led on when i turn on (NOT NUM LOCK LIGHT ON), and this is it, nothing more, i dont know what to do, i use the WINDOWS KEY + B to reset the BIOS and nothing, i leave the power botton hold for a minute without the battery nor the power source, and plug the cable and turn on again without the battery and nothing, also where testing changing the memory from slots i have 2 memories of 4gb and nothing, anybody can tell me any combination of keys to resolve this that i don't use yet?

What did the normal maintenance include-any disassembly? I assume the laptop is still under warranty?
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HP Pavilion dv6 black screen

I've HP Pavilion dv6-3225dx black screen on startup. CAPS lock is blinking continuously, no beep sound. And WiFi LED is orange with no sound LED.
I've tried Win+B method but no use, I've tried other RAM but still no response.

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
If the Capslock LED Blinks continuously that indicates us to replace the System board to resolve the issue
Steps to drain the Static charge before contacting HP for further support
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 of the Notebook for a full minute
Step 04. Test your Notebook with Battery and Power Adapter alone
Note: If you are still facing the same issue try to remove and reseat the Memory Modules of your Notebook
You can Click Here and Click Here to peform some more troubleshooting steps if you need
You can also Check your warranty Here to verify the warranty status
Hope this helps, for any further queries reply to the post and feel free to join us again
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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

HP Pavilion DV6; Black Screen & Atikmpag.sys BSOD with external Monitor

Hello Guys.
I have HP Pavilion DV6 Core i7 with ATI Mobility Radeon HD 5650 Graphics Card. Two weeks ago, I started getting continous Atikmpag,sys BSODs. The operating system also started giving me warnings about the hardrive. After a few days, the BSODs got more frequent. Then one day, I was doing normal stuff on my PC and the Display Driver crashed. Instead of recovering, the PC froze. I forced restart my PC but it got worse. The display of my laptop went black. I connected the laptop to external monitor which detected the display. When I tried to load the windows, it started giving me the Atikmpag.sys BSOD on the start up. Now the operating system works fine in the Safe Mode but with nothing on the laptop's screen. The soultions I have tried so far are.
-Reinstalled the windows thrice
-Removed the drivers and installed the updated ones a bunch of times.
-Rolled back the bios to an earlier version
-Removed the hardrive and tried to load it from an operating system installed on external flash drive
-Tried loading the PC with linux on external flash drive
-Opened the laptop and cleaned it thoroughly
-Removed all the components and plugged them one by one.
-Removed the old Atikmpag.sys in system32 folder and expanded it with the latest ones.
-Installed every thing fresh from HP website
None of these tricks have given me any luck yet. The only way, I could use the operating system in normal mode, is to delete the atikmpag.sys file in safe mode and then log on back in normal mode. I also analysed the minidump file through window debugger and it says that atikmpag.sys is causing this crash with the TDR message. I did all these with an external monitor as the display of the laptop is black since that day.
Below are the detailed specs of my laptop.
OS Name: Microsoft Windows 7 (64 bit) Home Premium
Version: 6.1.7601
System Model: HP Pavilion Dv6 Notebook PC
Processor: Intel Core i7 Q 721 @ 1.60 GHz
Bios Version/Date: Hewlett- Packard F.29, 11/7/2011
Installed Physical Memory (RAM): 6GB
Graphics Card: ATI Mobility Radeon HD 5650 1 GB
I have tried almost every solution available on these forums but still have not gotten any where. I am wondering how could the display, graphics card and hard drive stop working at the same time .
I would really appreciate if someone colud help me through this problem.
Thank you
P.S. Kindly ignore my English mistakes as it is not my first language.

Hi Goloono,
Welcome to the HP Forums!
I would like to take a moment and thank you for using the forum, it is a great place to find answers. For you to have the best experience in the HP forum, I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
First I would like to reassure you your English was great, I had no problems understanding you.
I grasp that you are getting a black screen with the error message " Atikmpag.sys".
Here is a link to Troubleshooting Error Messages on a Black Screen that may Occur During Startup or Boot.
Have you run The HP Support Assistant to help with updates and resolving issues.
Here is a link to a Microsoft Community Page with this exact issue. There are some suggestions that may help.
Blue Screen error with atikmpag.sys in Windows 7 .
Here is a link to the HP software and driver page. You will need to input your exact model of DV6 you have and follow the prompts. This page will have the recommended drivers and it will list bios updates. if there are any applicable ones.
HP Drivers & Downloads.
How Do I Find My Model Number or Product Number?
At one point you state you had a hard drive error, to rule that out I would run a diagnostics. SMART Media Test Error Appears when Notebook is Started
Please let me know if this has helped.
Sparkles1
I work on behalf of HP
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Windows 8 HP Pavilion dv7-4285dx Upgrade results in black screen after intallation finalizes.

I have a 2011 HP Pavilion dv7-4285dx with Windows 7 64 bit Home premium installed. The notebook/laptop has a AMD Radeon HD 6300M series display adapter with driver version 9.2.2.0 dated 9/27/2012 and an ATI technologies Intel HD Graphics display adapter with driver version 8.7771.1.0. The notebook/laptop has not had a hardware upgrade and contiains the orignal factory OS. BIOS is current to latest available.
The issue I had while upgrading to Windows 8 is after the install finalizes (settings and preferences are entered) and the system boots to the tiles screen, the display works fine. Clicking to the desktop works only for a few moments before the screen goes dark. Pressing the power button and/or closing/opening the lid results in at times a black screen (no power to the screen) or black screen (power to the screen) or a black screen where only the mouse pointer is visible and moves around the screen. Restarting the computer results in a repeat of the issue at times while other times it will boot directly to what appears to be the windows desktop. You can interact with the file folder icon on the task bar as well as internet explorer, and you can get the charms bar and tile screen. Any attempt to open computer management or any control panel or task manager will open the window as an icon on the task bar. You can mouseover the icon to "preview" a small version of the window but you can not click on it to maximize.
I attempted the following workarounds:
1) Clean install of Windows 8: Installs but fails with same result as above
Refresh PC from windows 8 rescue media: Works slightly longer until AMD driver fails and then reverts to situation above.
2) Uninstalling all display adapters (via computer management) and then upgrading to Windows 8: Results in microsoft drivers getting installed, works much as refresh above until AMD driver fails and then reverts to above situation.
3) In Scenarios 1 and 2, I also tried to use windows update within Win8 to update the drivers there are updated MS drivers available ,(dated as late as 10/27/2012) but intalling those drivers also resulted in a failure of the adapter within a short period of time as did NOT updating the drivers.
4) Disabling display adapters and then restarting: Results in a BSOD (Blue Screen) IRQL_NOT_LESS_OR_EQUAL Stop: 0x0000000A error during boot as the OS runs into trouble with the driver before Windows 7 boots. This happens if one or both drivers are disabled.
5) Disabling display adapters before in-place upgrade to Windows 8 results in the Windows 8 equivalent of a BSOD and results in the system shutting down and then reverting to Windows 7.
Through research, I determined some ppl had luck connecting another monitor/HD TV through VGA/HDMI and then using the function-screen button to switch, with my system this resulted in the same issue displayed on the TV/Monitor. There are also updates to ATI and Catalyst center available including drivers and installing these do not remedy the issue. Intel was checked and there are no drivers available as HP uses a "custom" driver for intel. Attempting to install any of these Intel drivers will result in a fail with a compatiblity error.
Windows 8 has no safe mode ability from the windows 8 rescue media disk, you cannot F-8 as you could in the preview. Safe mode must be reached via charms, settings, startup and then selecting safe mode as a boot option, which is not available as the display adapter malfunctions. In those scenarios where I was able to get a windows desktop to boot up as in the first paragaph I can get to the restart settings via charms, but clicking to bring up the restart menu requires another window to open which is only visible as a "preview" on the windows task bar.
if you are going to attempt to try any of these,
1) Use a third party software to image your pre-win 8 upgrade system that you can boot into from USB or CD;
2) Before starting the process, disable the UAC prompt and remove any passwords from logon, as those things will require you to interact with the OS and you will not be able to do this when the adapters fail. The screen will shadow out as it usually does but the prompt will not be viewable.
3) Create an ISO image of the Win8 install media and write down the product key. If you are able to get a successful boot, before the drivers fail, create a Windows 8 rescue media disk.
I spoke with HP tech support this morning (10/29/2012) they are aware of the issues and they lie with the display adapters. They are working toward a solutuion but there are none available at this time and no date when they will be available. They recommend checking the support website and having the web page autoscan your PC as the drivers will show there when they are posted and they will be installable from Windows 7 so there will be no issue with upgrading to Windows 8. Bottom line, do not upgrade to Windows 8 at this time.
MS Tech support escalation tier reps also informed me there is no present workaround available.
Hope this helps and saves somebody some time!
JJ

My laptop sat at BestBuy from Friday night until today (10-31-12)! They couldn't figure out how to fix the problem so I finally told them to revert my latop back to Windows 7! I hope HP reads these and will hurry up and make the updates needed so that I can run Windows 8 on my Laptop! I just bought mine in July of last year there is nothing wrong with it and after dropping about $1200.00 for my dv7-4285dx along with the Best Buy Geek Squad package I do not feel like having to drop more money into another laptop!! PLEASE HURRY AND FIX THIS I DIDN"T DROP $69.99 plus tx to not be able to use Windows 8! Even before I did the upgrade I had the GEEk Squad check to make sure I could make the upgrade and was told this laptop well surpasses the required minium to run Windows 8!!!!!!

Flashing black screen hp pavilion dm4

For a few weeks/months (since mid august) now my laptop (hp pavilion dm4-2070us) has been flashing a black screen every so often, sometimes repeatedly within a few minute time span or there could be hours at a time that it does not flash. Also, only parts of the screen flashes black not the whole thing. I have taken it to the store I bought it from and another store and they said it could need a new screen, but I am not sure if this is a hardware problem. The laptop has no water damage and no other external damage. I do not know if this is a sign of a crashing computer.
Thank you for your help!

A flashing screen is usually a hardware problem, along the lines of a damaged ribbon cable. However, there are a few things you can try to resolve the issue. Try the steps in this document and let me know if any of those help.
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Click the "Accept as Solution" button if I resolve your issue.

Pavilion dv6-3227cl entertainment notebook powers on but only has a black screen

An HP Pavilion DV6-3227cl Entertainment Notebook, that is approximately 2 years old and is running Windows 7 Home Premium, AMD Vision Premium, will power on but not boot up. The fan runs and the "caps lock" light flashes once approximately every 4 seconds but all I get is a black screen with no cursor or error messages. There are no beeps. The power supply indicator illuminates (white) for about a second, then turns to a dim orange when the battery is installed, but remains white when the battery is removed. However, the two indicator lights (I'm not sure what they are for) next to the USB port nearest the power indicator light illuminate as follows: the one on the left (as you are looking at the right side of the notebook) is white; the one on the right is orange. Both are fully illuminated (not dimly as the power indicator light). The power indicator light is not as bright as the other white indicator near the USB port. The notebook has booted up and appeared to be running one time since having this problem started, but I have not been able to get it to boot up again. I am told the battery is bad (it's my brother in law's notebook), but is it possible the problem is with the power source rather than the processor or motherboard? I appreciate your comments/advice on this matter. Thank you.
This question was solved.
View Solution.

Hi fejevitzky,
Your question, "Based upon that, I believe you are telling me you do not think it is the BIOS--is that correct?" Yes, as long as you dont see any "white" light reveal from LCD bezel back side while with blank screen state. LCD bezel is the cover around LCD, most design put LED modeule at the bottom side next to LCD. While back light is not on during boot up sequence, that means system doesnt have chance to get BIOS program running. It also means, it stuck at state of hardware bring up. Normally motherboard related.
I quickly checked hp.com and found some link that may help. Or 1-800-HP invent (1-800-474-6836) can save times. This forum only intends to quick/simply reply users questions. About another service and repair charge, I have to give you other links to reach.
HP Partner and Store Locator: (I try to search your city, but doesnt work well. Suggest you call for quick response)
http://www8.hp.com/us/en/store-finder/index.do
Contact info:
http://www8.hp.com/us/en/contact-hp/phone-assist.html#section1
Contact HP:
http://www8.hp.com/us/en/contact-hp/contact.html
HP SmartFirend Services: (I saw it with price of service)
https://h30617.www3.hp.com/HP/home/index.asp?jumpid=in_r11682_us/en/hho/pps/suppgateway_gi_ob_ds_pd/...
Thank you so much. If you think my reply helps your product, please help to close this case once you feel comfortable. And, click "KUDOS".
I work for HP.

Re-occuring Black Screen - HP Pavilion a6700F desktop

We have an HP Pavilion a6700F desktop Vista that started getting a black screen - from what we can tell, it started when the Nvidia driver auto updated. We then upgraded to Windows 7 and ran the latest HP Updates, hoping that would fix the issue. It has not.
We've tried to remove the Nvidia driver, however, each time the system restarts, it auto-installs it.
We've been reading recommendations about upgrades to video cards, power supplies, etc., however, thought we'd come to the main source for advice, before we attempt to swap anthing out on own.
Your guidance/recommendations is greatly appreciated.

Hey italianice,
I'm sorry you're running into this issue with the black screen. Is there any pattern to when the black screen appears? During videos? Games? High CPU usage? During other specific programs?
It would be helpful to know which video driver and BIOS version you have currently. Here is a link for steps to find your current BIOS version. I'll keep an eye out for your reply

HP Pavilion DV7-1428ca _ CAPS + NUM LOCK Continually Blinks + Will not Start up Black Screen

Would appreciate any suggestions on the issue I am encountering.
I have an HP Pavilion DV7-1428ca that was left powered on, so it went into Safe mode (screen goes blank). Once I came back to my Laptop hitting any key would take out of of the Safe mode however this time it did not. It remained with black screen irregardless of buttons pressed.
Had booted and can hear the fan and hdd go for the 2secs then it stops to a Black Screen with the "CAPS + NUM LOCK" Continually Blinking. Tried to Hard Boot several times but the same thing re-occurs.
It does not seem to be blinking in a series a code, just a steady blink (every sec) for both the CAPS + NUM Lock for as long as I leave it on. HP Site provides a chart from 1-6 series of blink codes which does not seem to apply to me.
Being out of Warranty I am hesitant in bringing it to a local repair shop without trying any alternate trouble shooting first.
Thanks

Hi,
First of all, shutdown the notebook, unplug the AC Adapter unplugged, remove the battery, and then hold down the Power button for a full minute. Plug in the AC Adapter ( leave the battery out ) and see if the notebook will start.
Regards,
DP-K
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Hp pavilion dv 7 black screen

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