I have an HP mx705 CRT, with only a year and a half of use on it. The monitor turns on and displays fine during boot (black Windows screen), but turns to standby with a yellow light right before it switches to what i think would be the login screen. I've seen a few problems in the forum that had an inverter board repair as their solution, but my monitor just goes to standby rather than going blank with a green light - which seems like a software problem. I have no idea what the source of the problem would be - I've tried this monitor on other computers as well, with the same results.
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Re: Monitor goes standby after boot
Look the problem it may not your monitor it's your windows XP.
Let me guess you have a VGA/Svideo card. From prior experience I can tell you that dual output Nvidia cards will default to Svideo first, and then "adjust" your windows settings to do so every time even if a VGA monitor is re-connected (HIGHLY ANNOYING).
So if the last thing you see before nothing is the Windows XP boot screen, here's how to fix it.
Boot to safe mode
uninstall your video driver, reboot then reinstall.
You can substitute a system restore for uninstalling your drivers if you can remember when the monitor was last working.
This really really pissed me off when it happened to me.
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I'm going to guess that your monitor has different imputs and maybe you aren't selecting the right one? There is usualy a button to change imputs on the monitor. If there is no signal and you've checked all the channels, the cable your using might not be functional or your monitor might be broken.
If the HP has onboard video but you have an add-on video card, remove the add-on and connect the monitor to the onboard vid. If it works you have a bad add-on video card. If it doesn't or you are already running on on-board video hook the mx705 up to a compatible HP. The older PB may be TOO old to handle it or not hve the correct drivers.
Even my monitor HPM704 does the same thing from 12Mar08. I bought this monitor an year before. It looks like this batch of monitors have issues from factory itself. Plan to get support from customer care.
While it is sounding like a hardware problem. I'll throw in my 2 cents. Have you check the cables from the power to the source and from the monitor to the computer. Just make sure those aren't loose.
One other thing...you mentioned you turn off the computer "afterwards" then it fixes itself. Is the fix for longer than it turns on at first? or does it stay on longer then goes out?
Let me know what happens.