G470:: screen goes black for sometime (10-15 seconds)

I have a lenovo g470 laptop bought it a couple of months ago it came with preinstalled windows 7 64 bit.
It worked perfectly for a month but nowadays it seems like there is some trouble while booting my windows.
when start my windows windows 7 logo appears normally but after that screen goes blank for approx 15-20 seconds and then logon screen appears and after that everything works normally.

could be windows issue.
start-up your computer and press f8 to load "last known good configuration" when you see lenovo logo at start-up.

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New (3mo) macbook air screen goes black and sometimes won't come back on after I unplug it from the power cord. Any ideas why it is doing this? Sometimes I have to hold power button for 10 seconds for it to shut off then back on.

New (3mo) macbook air screen goes black and sometimes won't come back on after I unplug it from the power cord. Any ideas why it is doing this? Sometimes I have to hold power button for 10 seconds for it to shut off then back on. Sometimes holding the power button for a second is enough for it to come back on.

I took it to the Genius Bar, and they identified it as a hardware issue. Just got it back today. Parts replaced were:
620-5629 Display Module — Symptom: Distored/blurred/focus video issue
605-3284 Top Case with Keyboard — Symptom: specific key(s) do not work
So far so good. I'd suggest taking it in and not trying to work around it — it's a rare hardware issue (given the number of threads about it) and should be replaced.

The screen goes black for about 1/2 a second.

The screen goes black for about 1/2 a second. Is it time to panic?

I don't see any common link. Sometimes it is just one 'instance', sometimes it is several in a row. But there doesn't seem (to me) to be any sort of common circumstances. (Other than that I am using the computer!!)

Screen goes black for 3 seconds in premiere CS5 every time I click

This is the first time I run Premiere CS5... On a fresh system install.
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THank you for sending this.
I followed the benchmark directions, and I get an error at the final step
when I run the script:
line 99
Error: path not found
I tried for an hour different things, namely to re run the whole test
procedure, deleting the output files, etc... he script is looking for
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was written for a previous version, because the metadata settings are
different in my version of AME, and I don't know how much that affects it.
Also, AME increments the file names when it renders them so that I did not
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Screen goes black for no reason

Hi first post, My iMac intel seems to shut down intermittently, when it happens the screen goes black but you can still hear the fans running the white light is not on and there is no response from the keys or mouse so I have to hold the power button to turn it off.
Then when I turn it back on again you hear the fans start up, the light stays on and the screen stays black and would stay like that for life if I left it.
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There have been similar reports. Usually they needed to take it for a repair that was covered under warranty.
I suggest you plan for the worst and back up everything of critical importance. Call Apple for support, but do be prepared to erase your hard drive and reinstall your OS. If the problem then persists before you add any additional software or connect any other hardware, you've proven it's some hardware issue and can have Apple immediately fix it under warranty with no other effort on your part. Best of luck.
Message was edited by: myhighway

Macbook screen goes black for a few seconds then reappears fine

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Hello @bobbiy58,
I understand that your HP ENVY Recline 27-k150xt TouchSmart All-in-One CTO Desktop PC is going black for few seconds and coming back. I need to ask has this just started? Like since you connected your X-box? If so have you tried disconnecting the X-box to see if it stops?
Please re-post and let me know. Thank you for posting on the HP Forums. Have a great day!
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
Dunidar
I work on behalf of HP
Find out a bit more about me by checking out my profile!
"Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter

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Nellinaaaa wrote:
13" mid 2012!
If you have AppleCare, call them. Let them deal w/it.
I tried to do the apple hardware test and it doesn't work.
Meaning? Please provide details.

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Try This...
Close All Open Apps... Sign Out of your Account... Perform a Reset... Try again...
Reset ( No Data will be Lost )
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http://support.apple.com/kb/ht1430

Zen 4GB player freezing/screen going black

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Hey Lightgarden,
Welcome to Apple Support Communities.
From what I gather, your iPhone 4s intermittently stops responding and displays a blank black screen. If you haven’t already, take a look at the article linked below and try the troubleshooting suggestions that it provides.
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If your device doesn't respond when you press buttons
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Try:
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Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
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iOS: How to back up
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When I turn on my iPhone 4S the apple logo pops up for a split second then the screen goes black but the phone itselfs boots up just fine???

I tried replacing the screen with no luck. The same thing happened with the new screen. I replaced the backlight coil and the backlight ic and still have the issue. I don't know what else could be the problem. If the battery is completely dead and I plug it in the "charging battery" symbol shows just fine during the entire time it is charging, but as soon as it starts to boot up the apple logo shows for a split second then the screen goes black. The rest of the phone still boots up just fine. I can use SIRI, press the lock button like I'm about to use my phone and slide my thumb across where the "slide to unlock" would normally be and it will make the unlock noise just no picture display. I am pretty tech savvy when it comes to repairs and all of the connections look fine, replaced backlight coil and ic, replaced LCD/digitizer, tried a restore, tried a DFU restore, multiple hard resets, but I am at a loss as to where to go from here. I had dropped the phone and put a minor crack in the screen but the phone worked just fine for a couple months after before this started to happen. The phone is still under apple warranty but apple won't cover it because Apple is stating that it is "caused by the crack in the screen." But being a repair technician I know that is not the case... Good one apple. So I took it upon myself to try to determine the REAL problem. Anyone with a little more knowledge have any ideas? Any suggestions are appreciated!!

Yes, I understand that. But The screen issue is not a result of user damage. The phone was not dropped when the screen got cracked. My daughter was standing in a chair at the table and dropped one of her toys onto the bottom of the phone and cracked it right by the home button. (Nowhere near the LCD/digitizer flex cables, connections, or logic board components) then a few months later my phone had died, I plugged it in, it showed it was charging, then Apple logo disappeared and screen didn't work. AFTER contacting Apple about the issue and them telling me that it "is a result of the very minimal crack to the sheet of glass that has no relation to the LCD or Digitizer and that the warranty does not cover it I had taken it upon myself to change the LCD/digitizer to no avail, as well as backlight ic and backlight coil to no avail. But how do I go about letting Apple know that it is in fact NOT due to the cracked screen nor is it due to the flex cable connections? I can't. So the lady that works the call center phones trying to "convince" me that she knows what she is talking about and "convince" me that it is from the cracked screen I have to take her word because I can't show Apple that its not because of that without paying them $199 to fix the screen in which case they will just send me a new phone rather than fix the faulty hardware under warranty.

G470:: screen goes black for sometime (10-15 seconds)

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