No signal means there is no communication between your monitor and your system unit.check and be sure your monitor signal cable is firmly connected,if nothing happens, try the monitor on your friend's system.if no change then try and replace the monitor signal cable,
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I'm sorry my friend but seems your LCD monitor having problem. There are three options with your LCD monitor. Option 1: repair your LCD monitor *commonly problems are the LCD inverter*. Option 2: Replace LCD monitor with a new LCD monitor. Option 3: Instead using your dim LCD monitor plug CRT or LCD monitor external serve as your monitor. Have a nice day.
1. change the VGA cable and test.
2. Plug to another PC or notebook and test.
if still no signal, it might be the display board inside the LCD is faulty.
You need to get a certified technician to fix it.
If cost is higher than 1/3 of a new 18.5" new :LCD monitor; I think you need to think of purchasing
a new LCD already. As new LCD will cover you with 3 years warranty.
The acer LCD monitor is plug and play.You don't need a driver.But unless you have a graphics card that supports at least 1440x900 you have problems. Also if your card has a div connection, use that instead of the analog connector, The monitor comes with that connector. Use the old one to connect a second CRT monitor if you want. Don't connect both to the lcd monitor and to the computer unless you are using a second monitor. Like everything these days, every purchase seems to need an upgrade of sorts, On board graphics **** anyway. Buy at least a 128 MB graphic card with a digital connector and more RAM never goes astray.....
your describe: connect a laptop VGA out to a monitor but no signal: you need check
1) newer monitor have two signal interface (analog or digital) and you may try to do a logical change the signal way by select buton
2) any laptop have two way display (local LCD or extenal VGA) change by the key (fn+f key showing creen icon)
Have you tried booting into "Enable VGA" mode via the "Windows Advance Option" screen? By press F8 before Windows XP loading screen comes up. In this mode the Video Card drivers are disabled. So if your screen appears normal and not white in this Mode then it is your video card drivers which are causing the issue.