Question about HP Compaq FS 7550 17" CRT Monitor

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Compaq 7550 Monitor no display

I have a compaq presario with a Compaq 7550 monitor that the green light comes on after blinking for awhile but the screen never comes on. I have no idea if this is the monitor or signal from the computer or what. The power was off just before this happened.

Posted by on

  • May 11, 2010

    With the monitor turned on, disconnect it from the computer. Does anything come up on the screen?

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5 Suggested Answers

SOURCE: Screen color changes, white becomes yellow.

Try moving the cable that goes into your graphics card i had a connection problem with mine, i either moved my tower or the cable to correct the problem

Posted on Nov 04, 2007

SOURCE: Screen color changes, white becomes yellow.

I think you need to clean your monitor inside of it, dust can conduct heat making the screen material active and creating the yellowish tint to the screen.

I don't think it's a connection problem, becuse it if was you would not see nothing on the screen at all but only one connection error message or like 3 colors.

so you have to open it and clean it I usally use a hair dryer to clean inside stuff or a paint brush.

try cleaning it, but if you have special screws that you have to take out from the monitor you then have to buy special tools for those screws.
I had the same problem right now with my monitor, it's 7 years old, and decided to get a dell flat screen 22 inch.
but that's what I think is your problem, it's either dusty or oxidized meaning different oils are layered inside on the circuit boards. which are like insulators

Posted on Nov 24, 2007

worldvet
  • 859 Answers

SOURCE: Compaq 1720 Monitor

You may need an adapter plug. They come with new monitors so ask around to see if anyone has one you can borrow.

Posted on May 11, 2008

eagle338
  • 4889 Answers

SOURCE: Compaq 1501 15" LCD Monitor ( Blinking Display)

Hi BOY! :P
Check if there is anything wrong with the video input cable to the monitor. If not then you should move ahead with the replacement of the ceramic fuses. There should be around 6 of them in most monitors i have fixed. They will look like this(click here) They should cost you around 1$ each.
If none of these work then your monitor's inverter board is probably screwed and needs to be replaced. should cost you around 30-60$.

Posted on Aug 30, 2008

bammbammfran
  • 159 Answers

SOURCE: Power Light Blinking & Black Screen

A blinking blue light indiactes that your power-inverter board is not putting out what it should. It needs an overhaul which may be a simple as changing out the capacitors on the boards.
It could go beyong that to transistors or even a bad bulb.
It will have to be opened up to do that.
A picture may show visual signs of damage. If you can take one and email it to me , I'll take a look.
Fran

Posted on Oct 18, 2008

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1 Answer

My speakers on my compaq 7550 have no power. when you turn on the sound, the green light is not lit up, so they are not getting power.


Have you checked the Power supply adaptor and the power cord plugs? If all are okay, then the power supply adaptor is the problem. Change the power supply and it should work.

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Click here for more information

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Hi,
if the light blinks orange after a few minutes after use. The monitor would either require repair or replacement since the power board has gone bad.


Thanks
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Actually it boots, just that you don't see it. Try using another monitor - even a tv will do: disconnect the present monitor, connect the new one and reboot. If you get an image then the monitor is dead, replace it. If you don't then the onboard video card id dead, get a new one and try again. If even now it.s dead then you need a new motherboard.

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Hello,

The picture board on your monitor is faulty or bad, since it goes graphics is displaying after booting, it means the picture board of your monitor has developed fault.

The best thing for you to do now is to take the monitor to a local repairer within your vicinity a service center to help with the replacement of the picture board because the fault is not something you can fix yourself. in order not to complicate issues.

Take care.

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Hello.

Could be the monitor or your Presario's VGA card. Swap the monitor with another system to see where the problem lies. If another monitor works on your system , it's your monitor. If another monitor doesn't work, then the problem is the VGA card.

Hope this helps.

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Use the control panel in front of the monitor to adjust screen.

Here's the manual for your monitor:

http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c00385928/c00385928.pdf

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1 Answer

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Your monitor is having thermal problems. Some part in the horizontal circuit is changing value as it warms up, and you're seeing the effect. It's possible to troubleshoot this kind of problem by using spray chiller to cool down parts and find the culprit, but labor and parts would probably mean you're better off just replacing it. New LCD's are quite cheap today, and you'll gain extra space on your desk if you get one.

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1 Answer

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Did monitor work's on another pc?

If YESS so u need to change ur VGA

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