Acer 24 inch LCD monitor - Model B243W. I need to open this up to check the connections on the lamps/inverter board. This monitor lights up intermittently. I can't find any way to open this unit up!Any help?
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Hi Ricky, In most situations you won't need any special connections, as most LCD screens have the same VGA interface sockets and cables as your older screen. Let me know if I can be of any further assistance. Best wishes, Graemevm
There are 2 basic reasons for the "No Signal" message.
Loose video card inside the machine- if you're machine didn't come with on board video or if you are using an independent video card instead of on board video, the card can unseat at times, either due to movement of the machine or pulling on the video cord
Loose connection between the video cord and/or monitor and/or machine. Unless the plugs on both ends are secure (including tightening both screws to prevent loss of connection), the cord can dislodge just enough to interrupt your connection, causing a "No Signal".
If neither of these is the case, try hooking up a different monitor (if equipped, you can use an HDMI cable to your TV) to see if the "No Signal" message persists.If using a different monitor works, the issue is your Acer Monitor.
You can download the drivers for the Touchscreen Monitor directly from the Acer website:
Select "Monitor" from the Product Family list and select the correct series and model number which should be on the back of the monitor.
After you download the correct driver file, right mouse click on the file and "Extract" the contents.
Then you can run the installation setup. Follow the prompts and reboot if needed.
If you are comfortable with opening the case, you can try this: Unplug the power supply, make sure are constantly grounded (touching metal)remove add-in video card. Locate the "Clear CMOS" jumper (usually 3 pins in a row with two shorted via a plastic jumper). Remove the jumper and short the other 2 pins (if originally pins 1-2 with 3 open, short 2-3 with 1 open) for a few seconds. Then replace on original pins. Plug monitor into motherboard video port and power on. If it works, you can leave as is or try to re-install your video card following the same precautions when opening the case and probably changing BIOS settings to utilize the add-on card.
If it is a Dell Ultrasharp 2408WFP it can display a max of 1920x1200.
Mirage 3 is integrated graphics I believe and integrated graphics have no business running such HD resolutions such as 1920x1200. It will choke or refuse to do that resolution generally.
Other 24" Monitors can do a max of (1920x1080) which is basically 1080 HD resolution. You need to find which monitor you have, what its max resolution is, and then find what the max resolution is that your SiS Mirage 3 can output.
Do you hear a beeping sound when turning it on? Try connecting an external monitor (Desktop monitor) then press FN+F8 (Dell laptop only) and FN+F4 (HP laptop only). If it works on an external monitor, you may need to contact your computer manufacturer. check the warranty and request for an LCD monitor replacement.
If you hear a beeping sound when turning on your laptop or no power (no light). you may need to reseat the memory (RAM) or check the AC adapter (power adapter).
Let me also know the system model and computer manufacturer.
Check to see if the computer is turned on and that the monitor is plugged in. If all Ok, then your monitor is burned out. Do not open the monitor case and look inside because you can get a shock. Just replace it. Three years is about normal life span.
I have the same system acer aspire l320 and had the same problem. They sent an engineer hhhhhh replaced my motherboard This is the only fix to this problm, dontbuyreplacement monitor as u r wasting your money.