The monitor is broken and it gets really irritating. It sometimes works and sometimes does not work. When it tries to go onto power saving mode or I switch it off When I switch it on again / 'it goes into power saving mode' the blue light, instead of going on / orange, starts flashing blue and no matter what I press I can't turn it on or off or do anything with it. Sometimes I pull out the power cable and leave it out for a while and then put it in again. After that sometimes it works, sometimes it just flashes blue again and sometimes the screen shoes about half the image and the rest is double that half!? In other words I can then only see half the image. ???
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The laptop may no longer be set for external monitor mode. Try boting it up and then holding the FN key down while pressing the F5 key at about 2 second intervals. This is the most common key combination to switch display modes on most laptops. If everything is working you might find the external monitor setting after a few tries.
If the monitor is displaying the "Power Saving Mode" signal to the monitor, then the monitors internal VGA board is functioning, so you can rule out a broken monitor. However I have seen monitors blow the internal fuse to the VGA board which causes a false "SLEEP" signal. If this be the case then it will require replacement of the fuse (usually a microfuse soldered onto monitor internal board) or most likely a monitor replacement.
Option A: you can connect another monitor to the monitor output on the back of the computer and see if you get a display. If this monitor goes to sleep, then it is likely that your Video card is malfunctioning. If you get a display, then it is definately the monitor.
Option B: If you have another computer, you can attempt to connect the monitor to another computer. Also most modern laptops will be equipped with monitor output, so if you have one you can check it. If the monitor sleeps, then it is definately the monitor. If you get a display, then it is definately the computer video card.
If the repair is not serious, your LCD may be able to be
repaired. Sometimes replacement parts and labor for broken LCDs are
often more expensive than the cost of a new monitor. If you really want to repair it, replacement
screens, power supplies and control boards can be ordered direct from
the manufacturer. Here is the LG Support Site: http://www.lg.com/us/support/product/support-product.jsp
Check this first:
Remove the power cord from the wall outlet, and the LCD unit, and reconnect the power cord. Try powering on the unit.
Hmmm...Stuck in power save. I guess when you push the power button, the monitor says power save, then blanks to power save, no matter if the Computer is on or not. This means the monitor does not see any signal from the computer. I would suspect the computer first. Try a different monitor (borrow one). If the size of the monitor picture is too high and the monitor is an older LCD, you may have set the image size too high (1280x1024 will not work with this monitor and it will do this very thing). A broken or damaged connector cable to the monitor can also cause this. Was the monitor unplugged from the computer just before this problem?
You'll need to troubleshoot a little.
SOmething may be broken, but you'll need to find out what.
1: Try the monitor on another computer, see wether it will work on that one. If it doesn't, the monitor's broken and you're probably going to need a new one.
2: If the monitor does work, put it back, but now use another cable to connect it to the PC. If that fixes it, your cable was broken.
3: If not, you could try to switch the graphics card in the PC with another one. Do not attempt that, however, unless you know what you're doing. If you don't, get someone you know to do it for you, or take it to a computer shop.
If the PC will boot with another graphics card, the old one is broken.
4: If not, it may be your motherboard that's broken. Repeat step 3 with it.
These steps should fix your problem. If not, please post back here.
This can be solved in either of two steps. >There should be "SPECIAL KEY" in the keyboard labelled as "SLEEP" or "STANDBY"...try clicking it.. <or> >Check the monitor ON-BOARD settings for "POWER SAVER MODE".