I made the monitor(likom hd15a) as the extension monitor as my main monitor (i'm using laptop) is damaged. The main screen stil can be viewed but the pictures change very slow(laptop screen). Ok the problem is i cant view the video in my new likom hd15a. only the video! sound appears but only dark scren seen meanwhile i can see the video move slowly in my laptop screen. thnx to anyone who solve this
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Re: The monitor cant view video
To use the external vga connector of a laptop, you have to activate it. In many notebooks it is Funtion and F7 (Fn-F7). In your notebook it may be F5 or F6, look for a monitor sigh in the F keys.
The activation may sometimes rotate in sequence , ie, External + LCD, LCD, External... and so on.
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Sounds like a hardware issue. Make sure your settings on your computer are not causing it. If its not your settings then it is a hardware issue with the monitor which sadly means you will have to send it to the manufacture or someone who does hardware repair.
The best way is to buy a special microfibre cleaning cloth for LCD monitors. Very often the same cloths are used to clean sunglasses so you may already have one of those. Do not use any cleaning liquid. Rub the screen very GENTLY with the cloth until the prints are gone. You can rub fast but remember not to press too hard or you can damage your monitor.
There may wrong setting of refresh rate. Most monitors work at 60 to 70 Hz refresh rate. Above that they tunned blank screen or out 0f range message displayed. Also check the output video signal. Please confirm technical specifications from the documentatation of the monitor.
Just check that your monitor is not set to power down(Control Panel> Power Options) and check that the 'Turn Monitor Off' Power Scheme is set to never and turn off any screensaver to see if it still goes off.