Question about HP Pavilion ze4300 Notebook

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No video when laptop is turned on system lights stay on , and no video

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  • spoonhead123 Aug 05, 2008

    i have a problem with mi hp pavilion ze4300 and waz wonedring who could help me. right um i lent it 2 a friend awile back and just got it back the other day. it has power the blue light comes on and then goes off after 2 seconds. az it is pasted its warentee i dont c much piont in sending it away unless there is something realy wrong with it. i cant seem 2 find my system restore discs eitha so if anyone could help me with this problem that would be g8 you can contact me on smokehead123@hotmail.com

  • densport69 Mar 09, 2009

    when i hit power button blue light come's on but scree all black nothing

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Check your hard drives

Posted on Aug 27, 2008

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If it boots up then the cable is probably loose. If all the lights just come on and it does not boot then it might be the motherboard. Post back and let me know.

Posted on Jun 04, 2008

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Why are all the lights on LCD screen on?


How to troubleshoot and fix video problems
Here are some tips and tricks for troubleshooting and fixing laptop video problems. Video issues are very common within portable computers and with the following tips you should be able to detect and eliminate basic laptop video problems.
Laptop LCD screen has a faint image.


all-lights-lcd-screen-4ztirbadqll2ypvmakqp10pq-2-0.jpg
Look at the LCD screen very closely and check if you can see a faint image on the screen. It's possible that the LCD lid close switch stuck in the "closed" position and the backlight stays off even when you open the LCD screen or turn on the laptop. The switch turns off the backlight when you close the LCD display to save the laptop battery power. Check the LCD lid close switch. Usually it is a small plastic pin located close to the LCD hinges. Try to tap on the switch a few times to turn on the backlight. If after tapping on the LCD lid close switch the backlight stays on, you fixed the problem.
It is also possible that after tapping on the LCD lid close switch the backlight works fine, you see a normal video on the screen for some time and then the backlight turns itself off again. In this case I would blame the FL inverter board. Try to reseat cables on both end of the FL inverter to make a better contact between the cables and the FL inverter board. If it doesn't help I would try to replace the FL inverter board.
Laptop LCD screen is solid white color.


http://www.laptoprepair101.com/wp-images/white-screen/1-laptop-white-screen.jpg
Most likely it is just a bad connection between the LCD display and the system board. I would try reseating the video cable connector on the back of the LCD screen first and check if it fixes the problem. After that I would try reseating the video cable connector on the system board. I would also try reseating cables if there is no video on the LCD screen at all.

http://www.laptoprepair101.com/wp-images/bad-laptop-video/washed-lcd-image-1.jpg
Try to connect the LCD screen to an external monitor. If the external video is fine, you have a problem with the LCD screen or the LCD video cable. You can try to fix the problem by reseating the video cable on the back of the LCD and on the system board.
If you see the same garbled video output on the external monitor most likely it is not the LCD screen problem. In this case the system board (with onboard video) is bad or the video card is bad.
REFERENCE: http://www.laptoprepair101.com/troubleshoot-fix-laptop-video-problems/
GOOD LUCK.

Jun 30, 2015 | Computers & Internet

1 Answer

Laptop starts up then the screen stays black


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

Apr 08, 2012 | Computers & Internet

1 Answer

Why does Sony laptop screen stays black when booting?


Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout you having to do anything. Some systems will require you to hit the FN(Function key) + F1 thru F12. Hold down the FN key then hit the correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

Mar 31, 2012 | Computers & Internet

1 Answer

When i turn it on it wont show desk top it stays on a black screen


Does your laptop have its lights on the keyboard even if your screen is black? If it is , try to remove the cables and battery of the laptop. Press and hold the power button for 8 seconds. Then reinsert the cables and battery on the laptop. Turn on the laptop, and if there is no light on screen & keyboard, it means that the power supply or the motherboard has trouble. That is the time to contact Dell support for possible repair or replacement. Otherwise if the keyboard has lights but the screen is still black, that would be a video card problem since the LCD screen is not a separate entity. Just make sure if it has the power button on the screen, it is turned on. That instance would need a video card replacement...

Jul 12, 2010 | Dell Inspiron 1000 Notebook

1 Answer

System starts, but no display. Light stays gree.


Maybe video card problem. Try hardware resetting your video card:
- turn off your pc (let it stay off about a minute)
- remove the video card from slot and re-insert again
- turn on the system

Jan 03, 2010 | Sony Playstation 3 (PS3) Console

1 Answer

Laptop motherboard


could be bad screen ok or video controller will have to have parts to test

Sep 05, 2008 | Toshiba (P000204210) Motherboard

1 Answer

System Stay's dark


This is most likely going to be a failed system board component. If it were the screen or video card you would still hear Windows starting up. However, let's try a few simple things that could cause this in order to rule them out. First, take the battery out and start with the supply only. Then remove the memory and try them one at a time in both slots. If it's still not working, then this will be a board component, and this problem can be very hard to track down, so I suggest taking it to a shop for diagnosing.

Jul 30, 2008 | IBM ThinkPad T43 Notebook

1 Answer

MY SONY LAPTOP WONT BOOT


Hi,

The flashing amber light means the screen is in power save mode. Since you are not seeing a "No Video Signal" things are looking up.

You want to use the menu buttons on your screen to navigate through and locate the power save time out settings. Its best to set it for 'never'.

If that makes the change a fix, let me know, I'll guide you through the settings on your desktop display to control the display time out.

Regards,
Worldvet

Jul 24, 2008 | Computers & Internet

1 Answer

Ps3 wont start up


This could be one of 2 problems...
1. The firmware is corrupted and it needs to be fixed by Sony.
2. The video defaults need to be reset. Here is how to do this.

Reset the Video Output Settings. While the PLAYSTATION 3 system is in standby mode (red light on the front of the system), hold down the touch-sensitive On/Off button on the front of the system until the system goes into standby mode again . (So the light cycle would go from: red light to --> green light --> then back to red light) This will ensure that you have held down the On/Off button long enough to reset the Video Output Settings. Once you turn it back on, it should work fine.
2. If option 1 does not work call Sony because the video out chip has blown or come unsoldered.

I hope this helps. Good luck to you.

Jul 01, 2008 | Sony Playstation 3 (PS3) Console

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