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Laptop pavilion 8310 no dispaly, getting beeps on start up

Lcd monitor went black on my laptop pavilion 8310, on start up i get beeps and no display

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Remove laptop battery, and unplug AC power adapter for ten minutes, if this does not work there is either an hardware fault, or a system problem.

If the computer try to load Windows, then you get an error message,then you usually fix the problem reinstalling windows.

If the computer beeps and you get nothing on the screen, then it is usually an hardware fault.

Posted on Dec 27, 2008

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2 Answers

Screen gets black


Typically the graphics card went out. Other possibilities include, loose monitor cable or short in the cable, or incorrect graphics driver installed or missing, or monitor is shot (least possible). Things to look for: When booting up are you able to see words in the monitor or is there a series of non-regular error code beeps? If beeps then most likely your graphics card is either loose or fried, or incompatible. If you it works fine, but the light on the monitor turns orange and screen goes black, then it's most likely a loose monitor data cable or there is a short in the cable, or monitor's power cable is loose. Then check both connections, power and data on the monitor, and also where it hooks to the computer make sure it's screwed in snug.

Jan 13, 2012 | PC Desktops

1 Answer

I have a hp laptop. was on line and screen went black. and will not show again. it strats up sounds but black screen.what do i do


1) Do you have a VGA monitor that you can use for an external monitor?
{VGA monitor is also referred to as a CRT monitor. Looks like a small TV}

The back of the laptop, or side, has a VGA port. The VGA monitor is plugged into it.
{Laptop off}
Then the VGA monitor is turned on, and allowed to 'come to life'.

Now turn on the laptop. Press the Fn key down on the keyboard, and hold it down.
Now press the Monitor toggle over key.
Since you did not state the HP laptop Model Name, and Model Number, I can only give you generic guidance on this.

The monitor toggle over key has a monitor screen symbol on it. It will be one of the F keys.

(It's an External Monitor toggle key.
Press it one time and the display toggles over to an external monitor.
Press it again, and both the laptop LCD screen, and the external monitor have a display on them.
Press it once more, and the display goes back to the laptop's LCD screen )

If display shows up on the external monitor, you have a problem with the display of the laptop.

Primer:
An LCD screen cannot produce enough light by itself. It needs an additional light source.
A Backlight is used as an additional light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp {Bulb}
Similar to the fluorescent lighting used in homes and businesses, but on a MUCH smaller scale.

{Average Backlight is 3 to 5 inches long, and half the diameter of a No.2 pencil.
The Backlight is located on one edge of the LCD screen}

An Inverter is used to provide power for the LCD screen, and the Backlight.

90 percent of the time the problem is the Inverter.

Inverters are relatively cheap, and if I knew the Model Name, and Model Number of your HP laptop, I could give you a link to HP Support where you could download the Service Manual for free.

This way you would have a manual to show, and detail how to replace the Inverter, and I could guide you.

I could also give links for your perusal for Inverters.

There is one more thing however.

HP Pavilion DV2000, DV6000, and DV9000 series laptops, have a graphics chip overheating problem.
The laptop comes on, the blue indicator LED lights light up, but the LCD screen is black.

This video explains why, shows a solution to fixing the problem, and details out a lot more than I am privileged to state here,

http://www.youtube.com/watch?v=bnkQNmKauEc

Have further questions regarding any of the above, please state in a Comment.
(Believe upper right of your page)

Regards,
joecoolvette

Dec 02, 2010 | PC Desktops

1 Answer

Lcd monitor won't turn on


Hi,

the fact that there is no picture it doesn't mean that the lcd monitor wouldn't turn on or would be faulty.

It means that the monitor is not getting picture from the computer, the cord could be loose or the computer has a problem and its unable to start up or send signal.

you can try the monitor on another computer that works, to find out if the display works fine.

if the display works fine then the problem is the computer not turning on or starting up, if there is a fault or error you should hear beeps, the lack of beeps may also be a sign of a fault or a error.

What you can do is, unplug the computer for 10 minutes and try turning it on again, reconnect the display cable and try again.

Do you have a screwdriver and is the computer covered with warranty or not? if the computer is on warranty better not to get inside, just contact your dealer and get it serviced.

May 06, 2009 | PC Desktops

2 Answers

I have a HP Pavilion laptop ze4900. Every time I move th screen, the display either goes off completely, or it goes vey dim and I cannot read anything from it. The only thing I can do to get a display


You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

May 03, 2009 | PC Desktops

1 Answer

The backlight on my HP pavilion dv1000 notebook went out and I am trying to run another monitor as my primary monitor.


when you boot it up after you see the main screen, I know that you can barely see but you can see something, on your keyboard there's a key that have 2 screens like this: [_]/[_], it could be by F7 or on it, well you would have to hold down the Fn ( function ) button then press on that key and it will switch from the LCD display from your laptop to a monitor from a desktop, which is the connection you have on the back of your laptop.

Jan 28, 2009 | PC Desktops

3 Answers

I started my HP computer today and it starting beeping, the tower and monitor have power to them, but the display isn't showing up on the monitor, it's just black


You need to open the tower and reset the memory sticks still if you get those beeps then try those memory stick one by one or swap the memory stick


Regards
Samson Ved

Dec 03, 2008 | HP Pavilion xl756 (P1358A#888) PC Desktop

1 Answer

Hi I am fairly good with computers but i dont know how to fix this problem. My advent 7113 laptop turns on the power light comes on and they the fan starts but am not sure if the harddisk boots. Then...


It sounds like Either the onboard video card or the LCD controller has gone bad. To verify which one connect a monitor to the VGA adapter on the back of the Laptop. You may also have to hit a key combination to swap displays (Usually <Fn> + <F5> but may be different the keys usually have an offset that indicates its function.

If the Monitor displays the same black and white anomaly then the vid card went bad, if it displays a normal screen your LCD controller is faulty.

Either problem would likely need service from an experienced technician

Hope this helps
Dave

Nov 07, 2008 | PC Desktops

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