Screen flashing black constantly (HP Envy dv7)

Ever since about a month ago, my notebook has been going insane. The screen flashes completely black for about a second every three seconds or so, and doesn't stop. It does this ALL the time. I've updated my graphics card, the NVIDIA and intel part, even reset the whole computer. Can anyone help? This makes the notebook basically unusable.

Hello @Ghstlghts
As T4M has mentioned your issue is hardware related.
I would recommend contacting 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.

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My ipod nano 5th gen wont play movies or videos on my ipod but plays them on itunes when i click on it the screen flashes black i have tried taking the movie off my ipod and putting it back on but it still won't work what should i do?

My ipod nano 5th gen. won't play movies or tv shows but it plays them on itunes. When I click on it the screen flashes black. I have tried taking the videos off my ipod and then putting them back on but it still won't work. what should i do?

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

Screen flashing black

My ipad with retina display has been acting up. The screen flashes black in all applications. Then the screen will turn off and I have to hit the power button several times before the screen will turn back on. What is wrong? What should I do?

Hello there, AlysonLB.
The following Knowledge Base article offers some practical troubleshooting steps that are applicable to your iPad:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Particularly:
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

Screen flashes black while playing games

When I play games. The screen flashes black for a few seconds and then comes back and does it again?

After reading this one sentence problem description it is not easy to say much about your problem.
Maybe you should tell us something about your machine, preinstalled OS, display driver that you use and of course be a bit more detailed about this issue.

From time to time screen flashes black when scrolling

Hi all!
My system: Fennec 32.0, Teclast x98 3g, Intel z3735D, Android 4.2.2
From time to time I observe screen flashing black when scrolling any page. I could not find consistent pattern, but maybe it happens when I have 3 or more opened tabs.
Could you help me to solve this issue?
Thanks in advance.

Hi IGOR,
There are alot of default features for scrolling in Firefox for android, but they are under the hood of the application in the about:config page.
Does this happen on pages with Flash player embedded in them?
The more current reasons why Flash may not work is if the phone/tablet has a Intel cpu and not a ARMv7 or v6 type of cpu that old Flash 11.1 for Android supports.. And if you have Android 4.1 or newer you need Firefox 27.0 and newer.
However if it is not, please open a bug with the device model and about:buildconfig page information as well as an example website where this happens all the time. Further investigation can be done with that information. :-)
[bugzilla.mozilla.org]

IMac screen flashes black and white when returning to top sites or screen saver

iMac screen flash black and white when returning to top sites or before sleep...any ideas why?

Howdy OatsaMae,
It sounds like your screen is flashing unexpectedly on you for some reason. I would recommend this section from the following article to help you get that resolved, named:
Apple computers: Troubleshooting issues with video on internal or external displays
Reset the system
You can reset the Mac's parameter RAM and SMC.
Reset the resolution
Start by resetting the Mac's parameter RAM. If the display does not come up, was previously set to an unsupported resolution, and still results in no video:
Start up in Safe Mode.
From the Apple () menu, choose System Preferences.
Choose Displays from the View menu to open the preferences pane.
Select any resolution and refresh rate that your display supports.
Restart your computer.
Thank you for using Apple Support Communities.
Take care,
Sterling

GE70-0ND Screen flashing black and gray

Hey,
I bought a MSI GE70-0ND laptop almost 1 year ago. I have not had any problems with it until now.
I run Windows 8 on it.
Today when I logged in on my laptop the screen just immediately went black. Now it is flashing black and gray. When I move the mouse you can see the cursor moving on the screen. The special buttons such as fan boost works.
I tried connecting my laptop to another screen with a HDMI cable. The other screen showed the same flashing screen..
My laptop forced me to upgrade and install something yesterday. I think it was a windows update but I to be honest, don't know. I suspect that that update is causing this..
Any help will be appreciated. If you want additional information that I failed to provide above, let me know!
Thanks,
msikiuru

Quote from: darkhawk on 18-February-14, 02:14:20
What happens if you do a CTRL+ALT+DELETE? Can you see the screen just fine?
Taking a video and posting it to youtube might also be very helpful, as this is the first time I've ever heard of this issue.
Hi, thanks for answering.
The problem fixed itself after a while. I have no idea about why it did.
CTRL+ALT+DEL did absolutely nothing.

Screen flashing/black screen for 1-2 seconds - 7850 power edition 2gb/OC

I recently bought the MSI R7850 Power Edition 2GD5/OC. I have installed amd catalyst 12.10. I have no issues while playing games...the only game i have played since i bought the card is prototype 2 (all settings set to high). The problem is while browsing or when not playing my screen flashes (just once - screen becomes black) for about 1-2 seconds. This does not happen regularly, but quite a few times.. i have uninstalled and re-installed the same catalyst version twice (downloaded from different sources - one from msi and the other from amd). The problem still persists.
Board: ASUS P8-H67-M PRO
VGA: MSI R7850 Power Edition 2GB DDR5/OC
PSU: Cooler Master GX550 550W (44a 12v rail)
Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W
MEM: Corsair 1333 8gb (2x4gb)
HDD: Seagate 500 GB 7200 rpm
Thanks.
OS: Windows 7 64bit ultimate.

I've experienced the same issue exactly as described, with the R7850 Twin Frozr OC Edition. However, I've also experienced a crash or 2 in which the screen goes black and the monitor goes to sleep. The computer doesn't wake up and I'm forced to do a hard reset. One such event was severe enough that I was unable to restore Windows 8 and had to do a full reinstall...!)
Everything is clocked at factory default, passes Memtest 86+, Prime95 overnight run, even FurMark successfully...
Board: ASUS P8Z77-M
Bios: American Megatrends Inc., v1708
VGA: MSI R7850 Twin Frozr III 2GD5/OC
PSU: Seasonic X-750 (+12V@62A)
CPU: Intel Core i5-3750K
MEM: Samsung DDR3 PC1600 8GB (2x4GB)
HDD: WD 500 GB 7200rpm
COOLER: GPU: Stock. CPU: Xigmatek SD1283 Gaia w/Scythe 120mm Slipstream PWM
Sound card: Creative SoundBlaster X-Fi XtremeGamer
OC: No overclocking, factory default.
OS: Windows 8 Pro, 64-bit
When I tried to save the GPU-Z BIOS settings to a file, my computer crashed my computer (!)... Hopefully this is sufficient to indicate if I should follow the same steps or if this is a different issue / hardware issue / ???
TechPowerUp GPU-Z 0.6.7
Driver Version: atiumdag 9.2.0.0 (Catalyst 12.10) / Win8 64
BIOS Version: 015.017.000.000.000861 (113-C4030400-100)
edit:
S/N: 602-V273-010B1210251006
Also updated format of table above
(Perhaps worth noting that the box didn't include any driver CD for some reason)
Thanks for the help.
-DH

Screen flashing black only when viewing .pdf or .doc

I installed OpenOffice about a month ago. Shortly thereafter, my screen began flashing black whenever (and only when) I opened a document or pdf.
I installed OpenOffice and installed Microsoft Word. No help. I uninstalled Adobe Reader and reinstalled it. Still same problem. I called Dell computers. They had me do a System Restore.
No help. For some reason, they had me log in as an administrator. No help. The screen only flashes when a .doc or .pdf is open. It's a software, not hardware problem. Please help.

Assuming that you are on Windows, it could be a problem with your graphics driver. What is your display adapter, device driver version & date? See http://forums.adobe.com/thread/945765

Late 2008 Macbook Pro Screen Flashes Black

Earlier this year I had a problem with the screen of my late 2008 15" Macbook Pro flashing black. The entire screen would flash black for about half a second, then come back on. This would happen maybe once a day or as frequently as once every minute or so.
In January I took it to the Apple store for repairs, at which time they serviced my computer twice (Jan 10-14, Jan 14-15) to fix the problem. Everything was awesome until this month when I started noticing more issues. My battery was "swollen" and the fans were clicking (probably because I was also having over heating issues after upgrading to Lion). Anyway, I take the computer in, the employees at the Genius bar are very helpful, but as we're sitting there looking at my computer--the screen flashes. Not once, but 5 times. I confirmed that the Apple employee saw it and he took it in to get repaired.
I just got it back--they replaced the logic board for the third time, the ODD Super Drive, Optical Cable, battery, and two fans.
......aaannndd my screen just flashed black again. I'm not sure what's going on. Do I have a dud? They also didn't screw in one of the back screws all the way so I have to take it to the store to get it put in (I don't have that tiny of a screw driver). It's really annoying that they didn't put it in all the way, considering it sticks out enough to scratch the surface of any table I'm working on.
Anyway, anyone else continuing to have these issues?

Update: let it rest for ten minutes. Rebooted, I get a grey screen with vertical rainbow colored lines in three places.

Every so often my screen flashes black when typing a text message. It happens randomly. Does anyone have any idea what to do?

When texting my screen randomly flashes black and won't respond. Has anyone else experienced this or knows what to do?

Try Reset PRAM.
Some of the display settings are stored in PRAM.
Reset PRAM: http://support.apple.com/kb/PH14222
If this does not help, contact Apple.
Genius Bar reservation:
http://www.apple.com/retail/geniusbar/
Best.

Screen flashes black when launching video apps

Hi everyone,
I need some help getting a diagnostic of a problem I have.
I am using: xorg+catalyst+openbox
When I launch a video (with mplayer or vlc for example) or when a guest OS is booted in virtualbox, the screen flashes and becomes black for half a second before coming back again.
So far, this has led to no crashes or anything really unpleasant, but it would be nice to fix it if possible.
Here is my xorg.conf in case it could be useful. http://pastebin.com/m2137bab7
It was generated via hwd and aticonfig
I would appreciate any help you could give me.
Thanks a lot for your time
Vincent

I am not keying out green, but I have the same exact problem. I am also using ProPresenter for most of the service elements (lyrics, video, etc) but I switch to Keynote so I have more creative control of sermon notes. I have the same graphic up in both programs and would like to seamlessly switch between the two. However, the "black flash" is a huge problem and distraction. I've noticed the same thing does not occur in Windows programs I have used in the past (say going from PowerPoint to SongShow Plus).
Is there a fix??!

Screen goes black constantly, okay with Windows

My mid-2010 21.5" iMac has been having issues for a while now. The screen goes black randomly. This happens anywhere from once a week to once every two seconds for days on end. I've done plenty of research and seen similar problems but no real solutions.
Symptoms:
Screen goes to sleep. Shine a flashlight on it, can still see stuff, so it's just the backlight out.
It'll either happen at startup, before the Apple logo, or after using for a while.
Using a hot corner or keyboard shortcut will temporarily wake it up.
If watching video, sound still plays even though screen is black.
Had it in a 60 degree room with A/C blasting on it, no change.
Tried resetting PRAM, SMU.
Hardware test was fine, but I can't do this when it's not actually working.
External monitor works fine.
Really weird- this does not happen with Windows XP. It runs fine. So maybe a software problem? BUT, the problem occurs when booting from Install DVD. So maybe not a software problem. I was going to wipe and re-install but can't even do that due to it blacking out.
I've had it in and they replaced the LCD, didn't help.
I wish it would just permanently stop working so it'd be easier to figure out, as it is, the intermittent nature is driving me nuts. Can anyone please help?

I meant SMC, not "SMU". Oops.
billkline, thanks for the input, the fact that Windows works has really got me scratching my head. That's when I went to reinstall OS X but couldn't when it blacked out on the Snow Leopard Install DVD. Thoroughly confused now.
Also, starting tonight it now hangs on the gray startup screen for thirty seconds before booting up. This usually is a one or two seconds before getting the Apple logo.

FF beta 9 on Presario; scrolling screen - flashing black line at botton; Very annoying! Occurs with mouse-wheel OR down-arror scrolling

Unlike 3.x , and i *believe* your beta 8 , scrolling the screen causes the most-bottom screen line (one text line in width, from left edge to right edge of FF beta 9's screen) to rapidly flash. Its color is black and is extremely annoying.
scrolling with Logiteck wireless mousewheel OR via keyboard arrows causes same serious problem.

Well, look at that. I actually had this problem before--and SOLVED it before! [facepalm] I'd forgotten all about it....
https://bbs.archlinux.org/viewtopic.php?id=140151
I just added "vmalloc=256" to my linux line, and X started right up!
[edit] Well, mythtv had the solution, as well: http://www.mythtv.org/wiki/Common_Probl … _too_small
Last edited by wilberfan (2012-11-05 19:38:06)

Screen flashes black and then shows slide to power off

While playing music the screen repeatedly flashes to black then flashes to the slide to power off screen. When I tap cancel it usually works for a few min before doing it again but sometimes it flashes between the black screen and the itunes screen several times before showing the slide to power off screen.

Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
- Make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar

Screen flashing black constantly (HP Envy dv7)

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