Hi we have a compaq 7550 screen that when turned on has a red sheen over the whole screen. Any solutions or is it ready to throw away. thanks

May be a bad HDMI cord.

We are living with it till the whole screen turns red. Can't afford to have it fixed.
Thank you for your concern.
fred

u must click on any button on the screen and try to control one by one till u find the destination which u want

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

Bring your Compac to top floor and throw away.
Fedup wirh Compaq , only 1.5 yr making trouble mother board .
Cannot on .Waste my money.

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.

Here is some great source to solve any kinds of laptop's problem.

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a38

there is a Windows XP setting to invert the picture (I guess it is if you hang the CRT upside down from the ceiling). I don't remember the key presses needed, but check under Properties for the CRT

Is there a cheaper solution? $600 sounds like you just throw it away to me...

This is a sure sign in CRT screens that it is on it's last hours of life. I saw this in one of my customer's screens and I told him it was probably dying, it died the next day. You could try opening the menu and hitting degausse or whatever it's called. That helps sometimes, but if this is doing this repeatedly, it means your screen is dying.