HP Desktop turns on but the screen says no signal?

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• Equium A300D - 16 c turns on but the screen does not show anything / remains black

  Hi, I have a laptop Toshiba Equium A300D - 16 c.

  It was fine until now...

  When I press the power button, my laptop turns on but the screen remains black / off.
  The indicator disk HARD is not Flash or anything... (in case that helps)
  I also tried to remove the battery, hold the power button for 30 seconds and then reconnect the power cord... Same laptop turns on but the screen is black.

  I tried to connect my laptop to my PC using a HDMI cable screen, but without success... Laptop turned on but monitor my pc showed nothing.

  I have not changed anything inside my computer laptop or unscrewed it.

  PS:
  Quite often, I kept my laptop on the bed/pillow it may have something to do with overheating or something.

  How did I get to this point:

  Yesterday, my laptop was fine, there was nothing wrong with her... I turned off during the night, but when I tried to turn it on this morning it is where I have faced this problem.

  Any help would be appreciated.

  Thank you very much
  Rejanu.

  Long ago, I had similar problem on my old Satellite. CPU was faulty. After replacing the CPU, everything was OK again.
  I put t really know what to say.
  Maybe you should contact Toshiba and let check your laptop. They have diagnostic tools and may know what is the problem.

  What do you think?

• Qosmio X 770 turns on but the screen remains blank

  So my Qosmio X 770 turns on but the screen remains blank, it was randomly turning every so often, but now it is just blank.

  The hd works fine again, I tried to plug it into a TV to see if it works, but no signal is found. I was informed by a friend that it could be a problem with the graphics card, I wonder if it can simply be exchanged if I buy a new one or if he joined, and I have to replace the whole motherboard?

  Any help would be appreciated.

  Even if the HARD drive is faulty, the laptop should be able to IT and you should see the home Toshiba on the internal display screen.
  If its definitely NOT drive HARD problem.

  You said that you have connected the laptop to the TV. You see the start of Toshiba on the external monitor (TV) screen? Are you able to access the BIOS by pressing F2?

  If this is not the case, there is certainly a hardware problem.
  It could be a fault of memory modules, graphics card or the same motherboard malfunction could be possible.

  GPU problems or the motherboard, the whole motherboard must be replaced and that's expensive fix because mobo belongs more expensive laptop.

• Satellite P10-304 turns on but the screen is off.

  Hi there... Please someone help me. I m having this problem since last week with my P10-304... it was working fine... but now last week I turned it off and turned the morning we return on the use of battery that he kept on going stand-by mode... and when I turned it off again and plugged the AC adapter is on, but screen didn't seem to turn on...

  I thought that the screen has gone... but last night I turned it on. He walks and went to hibernation! Don t know why. And now the same problem again... I turn power turned blue and the screen is blank (as it s off) I put t know what to do. I tried using the recovery disk. But nothing comes on the screen, as I said, the screen is blank as is it turned off s.

  Please help me... !!!

  Hello

  Well, this is a strange question. It's not easy to say what can be the problem.
  But first you must remove the battery and the AC adapter for 1, 2 hours.
  After this procedure, use the power supply for the test to work.
  If the problem is still topical, I guess that it s a hardware malfunction.
  In this case, the best way is to contact the service partner.

  Best regards

• MacBook Pro 2015 turns on but the screen remains black...

  Hello

  Today, I tried to turn on my MacBook Pro, but my screen stays black. When I press the caps lock button, it turns green which I guess means he lit. I've also heard the startup chime it generally makes when you turn on. I already tried to turn it on and off several times and reset the SMC and the LANDAU... The screen is always black.

  Could someone help me please?

  Also a few minutes ago the fan has started to make noise in the macbook...

  But the screen remains black.

  Thank you

  Shaynidw

  Hi shaynidw,

  From your description, it seems that your MacBook Pro is powered, as soon as you hear the startup chime and see the light on the keyboard.  Thus, it seems that the problem may be with your screen or the video card.

  On the screens you see when you start your Mac

  Power on

  

  When you turn on your Mac, display is off (black) and you hear a startup chime. Your Mac Initializes his BootROM and memory (RAM live). It then performs a power - on that self test (POST) and a test of BootROM. If you hear beeps or chimes at this stage, this indicates a possible hardware problem and start stops. If you add memory to your Mac, check that it is installed correctly.

  White screen

  

  After that only walking self-test is completed, your Mac sends a video signal to your connected screens. The screen may appear black or grey at this point in the boot sequence and backlight of the screen should light up. If you do not see the image appears on your screen after a few moments, try increasing the brightness of your screen. If you use an external monitor, make sure it is properly connected and turned on.

  shaynidw, if set up the brightness of your screen does not help, you have an external display (computer screen or TV) that you can attach to your MacBook Pro to test?

  In addition, you can try to start your computer in safe mode to see if you get different results.

  Try safe mode if your Mac does not end commissioning

  If the problem persists, you may need to take your computer to an Apple Store or service provider authorized Apple , so they can inspect the video card and cables to isolate the problem.

  Take care.

• HP Pavilion g7-1261nr turns on but the screen remains blank

  I turned on my HP Pavilion g7-1261nr the other day, and the fan ran hard, as well as the caps lock and number lock LED flashes once every two seconds. The screen remains blank during the process. Could someone help me with this problem please?

  PcMatic I invite you to read the links provided, because they are there to help.

  If you entered my link, you would have seen this:

  Caps Lock/Num Lock LED component tested error Condition

  LED flashes 1 time CPU CPU not functional

  2 times for BIOS BIOS corruption failure LEDs blinking

  LED flashes 3 times non-functional Memory Module error

  LED flashes 4 times Graphics Graphics controller not functional

  Map of 5 times the system board failure system general LEDs flashing

  Authentication failed for the BIOS BIOS 6 times blinking of the LEDs

  According to the times that they blink, of what I mean, it's once and then a pause. Which would indicate that the CPU is broken.

  Only a repair can fix that.

• Laptop turn on but the screen is completely black

  Hi guys,.

  I was wondering if someone have an idea as to why my laptop (which was working perfectly last night), now has a black screen when I try to turn it on.
  I read in some other forums who offered to take out the battery and hold the power button, but that didn't work...

  Remedies?
  Thank you.
  Jess.

  Hi Jess

  Is a busy HARD disk when you start your laptop?
  You hear Windows sound?

  If possible try to connect your laptop to the external screen or a TV to see if you can see anything on an external device.

• NB200-10Z starts but the screen is blank

  Hello

  I have a Toshiba NB200-10Z netbook.
  It turns on but the screen is blank.

  Can someone help me coz I don't know the cause of her

  Hello

  Try this:
  Remove the battery and unplug the AC adapter.
  Then wait a little (1 hour should be enough)
  Then reconnect both sides and try to turn on your NB200.

  If it s not a serious issue, then your NB200 should turns correctly.
  Otherwise it s a serious question, and you will need professional help from a technician of the ASP.

• Satellite L40 is power on but the screen is blank

  Can someone help me with a problem?

  I'm not a computer expert and my laptop won't do anything. If I put power turns on but the screen remains blank

  Hello

  Try this:
  -Remove the battery and unplug the AC adapter from the portable computer
  -wait for about ~ 40 min and reconnect the two parts
  -then try to turn on the laptop

  If this does not work and the laptop does not start in windows OS, then you could try to insert a bootable recovery disk Toshiba and could attempt to reinstall new OS.

  If the procedure still does not have a hardware malfunction is possible, and in this case only the authorized service provider would be able to help.

  Good luck

• Acer blue 720 and the fan are on but the screen remains black

  Hello

  I appreciate any help that can be provided.  I tried to remove the batter on my daughter 720 and reinsert, but this problem persists.  I can hear the fan and the blue light turns on but the screen remains black.  I tried to rest for 30 seconds and esc, refresh and power.

  Thank you

  Well, when the scrween does not at all (even in text mode which allows a recovery) then it is most often a problem with the cable bwteeen the motherboard and screen, most often following it is a failure of the screen (which requires generally a matter of co-location as cracked screen) and from time to time, it is the motherboard. Probably time to contact Acer support to see on a repair.

• Aspire power E1 light - 572P stays on when I stopped. Screen turns off, but the router is plugged

  When I quit my Aspire E1 - 572P the screen turns off but the blue light and the router remains connected.  Ethernet services and internet used to go off. Any suggestions please.

  Go to power options. On the left side, click on choose what the power button. Scroll down and uncheck quick start. Save changes and close.

• I had checked "extend my desktop to this monitor". I have only 1 monitor though. Now the screen is empty. I rebooted the pc in the hope to go in safe mode but the screen remained blank.__How can I go back to single screen? __

  I had checked "extend my desktop to this monitor". I have only 1 monitor though. Now the screen is empty. I rebooted the pc in the hope to go in safe mode but the screen remains blank.
  How can I go back to single screen?

  Hi Bilipino,

  You have more than one display card? Try to connect your monitor to the another card and see if you can get the display.

  Reference: http://www.microsoft.com/windowsxp/using/setup/hwandprograms/monitors.mspx

  I hope this helps...

• Laptop screen turns off but the system never sleeps when closed.

  Hello!

  I have a laptop Alienware M14x and quite frequently when I close my laptop, the screen turns off but the system will not. When I reopen it, the screen stays off and the system seems still to go but no matter what I press on, the screen does not turn. To fix it, I just turn it off power then back on the power button. I know that my laptop is still running because the fans are still running and the lights on the front and on the keyboard are lit. I don't know if this is a problem common or not, but it's really annoying.

  Any help would be greatly appreciated! If there are other details that might help, do not hesitate to ask!

  Thank you!

  -S.

  Firstly I find a windows command can tell you if you have something that prevents the mode 'sleep'. Run as administrator command window and use the command: powercfg-query.

  If you have my problem and SRVNET is active, you will see this:

  SYSTEM:
  [DRIVER] \FileSystem\srvnet
  An active remote client recently sent requests for this machine.

  2. to add SRVNET to the exempt list, do the following at the command prompt (EXACTLY as shown below.)  DRIVER MUST be written in capital letters):

  powercfg - requestsoverride DRIVER '\FileSystem\srvnet' system Awaymode

  and for good measure (not sure if necessary but I did anyway)...
  
  powercfg - requestsoverride DRIVER "srvnet' system Awaymode

  3. once all is said and done, it should look like this after you run:

  powercfg - requestsoverride

  [DRIVER]
  \FileSystem\srvnet SYSTEM AWAYMODE
  srvnet SYSTEM AWAYMODE

  4 enjoy again the "sleep mode".

  Credit is to JohnnyN to http://yabb.jriver.com/interact/index.php?topic=79201.0

   

• I tried to use my photoshop cs program after a long period of non-use and he said "need to reactivate the program but I not activate - then the activation of the phone no longer works and the screen says that it summer more then 30 days so that program do

  I tried to use my Photoshop CS after a long period of non-use and he said "need to reactivate the program but I not activate - then the activation of the phone no longer works and the screen says that it was more long then 30 days if the program will not even start righteous outputs photoshop so I can't use the Help menu - I went to the adobe Web site and logged into my account and it lists my Photoshop CS as. activated in 2011 - which I guess is when I activated it - does - what I do?

  Download Adobe Acrobat 7 and Adobe Creative Suite 2

• computer won't goto sleep IE screen turns off but the hard drives will not be

  No matter what I put in power options, the computer won't go to sleep.

  The monitor turns off but the hard drives, fan to continue working.

  I can't force the drives to put beyond the control of the characteristics to uncheck in the power options.

  The computer turns off when the power off but sleep option does not work.

  Thanks for any help.

  Hello

  Thanks for posting your question on the Microsoft community.

  I would like to know some information about the problem so that we can help you better.

  What is the brand and model of your computer?

  Thank you for details on the question and your efforts to resolve.

  This problem may be due to the following reasons:

  -The drivers are not updated.
  -Power option settings are incorrect.
  -The devices connected to the computer are preventing it from going into standby mode.

  I would suggest trying the following methods and check if it helps.

  Method 1:
  Run Troubleshooter of power and control.
  Reference:
  Open the troubleshooter of power
  http://Windows.Microsoft.com/en-us/Windows7/open-the-power-Troubleshooter

  If this does not help, use method 2.

  Method 2:
  Please use the suggestions in this article and check the issue.
  Reference:
  Windows 7 is not going to sleep
  https://Support2.Microsoft.com/kb/976877

  I hope this information helps.

  Please let us know if you need more help.

  Thank you