Question about HP Compaq Presario SR2050NX PC Desktop

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Monitor on PC goes off after 2 seconds. Power and PC still on.

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Your operating system setting are possibly in the "sleep" mode and the display is set for 2 minutes.
1. check the "power options" in the Hardware and sound" located in the control panel for Windows 7. click the link that says " change when the computer sleeps"
2. windows XP check the helps or the power management in control panel.

Posted on Oct 18, 2010

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Monitor comes on and then immediately goes dark goes off


Your monitor's power supply is probably bad. If your inclined, you can pry apart the monitor shell and replace any bulged capacitors you see on the power supply. Replacement capacitors are available from mouser.com.

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Dell monitors automatically go into power-save mode after a preset amount of time when the computer is inactive. The Dell monitor will go completely black, instead of showing a screensaver. This doesn't mean that your Dell computermag-glass_10x10.gif has shut down. Instead, this allows your monitor to essentially turn off until it's needed again. You can change how long it is before the Dell monitor goes into power-save mode by changing your display settings.
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franh, Typical of a lcd/fpd monitor! There is nothing you or hundreds of others can do to repair it all by yourself. I have repaired 3 monitors and helped tutor 2 others on fixya with their monitors. All had same exact symptom as your monitor. I need you to do a simple test for me. With failed Acer monitor near to your Fully Booted PC with a known good desktop being displayed on back-up monitor, quickly swap out the monitor cables from the back of the PC. Keep touching the CTRL key on you keyboarb every 30-50 seconds to keep the PC from sending out sleep mode command to monitor while doing the reconnect of acer to your PC monitor output port. Make sure the Acer also is connected to a live wall outlet/power strip. Turn on the Acer and note what happens. If screen shows a sharp clear image for a second, then goes black, do the following. Get a bright flashlight and shine it on the screen from a distance of 1 or 2 inches and tell me if you can see the desktop display. get back to me with your observations. I'm louie12fix on fixya or lmistyrel@ aol.com.

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1 Answer

My monitor goes black for about 2 seconds then goes back to pict.


Sounds asif the Xenon tubes that backlight the LCD are losing power. Probable cause, a power invertor or PSU fault.
It can be repaired by a hardware specialist, but best written off.
The cost of repair will be better spent on a new monitor.

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Monitor goes blank less than a second after turning on.


Monitor is bad for sure. Try another known good monitor on your computer and if the problem stops then you know for sure the original monitor is bad. Hope this helps.

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1 Answer

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it seems tht the monitor has gone bad & needs to be replaced....try running a monitor self test by unplugging the monitor cable frm the back of the cmputer & make sure the monitor is receving power frm the wall outlet....chk if the monitor displays anything......let me knw if it wrks

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