My monitor will not stay on

select menu > wide, then select wide or zoom.
some TV channels add black bars to the picture.

If the display is dim like on half of the screen or any kind of color variation, this could mean that your monitors CCFL lamps are going bad, more so than the display High voltage inverter, unless you can web search on how to replace the CCFL lamps for your monitor, it may be time for a new one..

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm see FP7317 album.

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Spend $10 and replace the VGA cable, before it short-circuits, and causes a fire, and burns down your entire home.

h10032.www1.hp.com/ctg/Manual/c00264775.pdf
http://www.fileden.com/files/2007/4/4/956157/HP-vf17-FP17-f1723-FP7317.pdf
Above is your service manual, above that is a user manual. With the service manual, you can troubleshoot and hopefully repair your unit. The service manual,is what engineers used to troubleshoot and repair these units.

You need to open it up and inspect the caps in the power supply, look for caps with bulging top, post back what you see so we can help you more, see example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

You ether got a short in there or the plug cable has a short ether way this needs to be looked at a quick fix would be to buy seperate speakers.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

copy and paste this link into your internet address bar and it will bring you to manual download site:

http://office.manualsonline.com/manuals/mfg/compaq/fp7317.html

My monitors green light stays on, but the screen will come on for a second then goes off
comaq fp737

any ideals

I suspect that when you reattached the monitor back you might have moved the agp card out of her slot. Check if you have connected properly your monitor to the pc And if the agp is in it's slot properly attached. Hope it helps, good luck!!