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It appears your display adapter is set to a different refresh frequency or resolution,
either accidentally or due to some power glitch.
If you cannot set the resolution because this message is preventing you from getting to the
display settings window, try rebooting your PC in Safe Mode. It'll take a while longer
than usual, but when you're finally running, try setting your display adapter to the
1280x1024 60Hz settings. This is available under "Advanced->Adapter->List all modes".
To reboot in safe mode, try pressing the PF8 keys repeatedly after the POST messages
disappear just after turning the power on. This only works if this key is enabled to
operate from the BIOS settings.
To get to the BIOS setup, Look at the first messages displayed on your screen indicating what key to press. It's usually the Delete or PF2 key, but different BIOS manufacturers use different keys.
Once inside the BIOS setup, find the way to enable the PF8, PF9, PF10, keys. Save your
settings and reboot.
Now you may try PF8 again to go to Safe Mode.
resit your ram if the problem perssit then remove the video cable which is attaching to the cpu,check for any message in the monitor(monitor should be power on),if you are getting any message then your motherboards's display adapter has malfunctioned, send it for repair
This one should work for you it's the same voltage and amperage as your unit. 19VDC 3.16A Any standard power cable from an old printer or computer will work with one of those PS's.
The only thing you need to check before you buy is the polarity of the barrel connector. I looked on the net but could not find out that info so look at the jack where the power plugs into the monitor. You might see a little diagram showing a + and - signs. If the line coming off the + sign goes to the semi-circle than the barrel is positive and if the - goes to the SC the barrel is negative. Ask them before you buy which way that one is. As long as they are the same you will be able to use that PS.