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Hi there!
This usually happens when switching from a CRT to an LCD monitor. If your
monitor is new and you are connecting for the first time, reconnect to the old
monitor, set the resolution to its lowest setting (usually 800 x 600), shut the
machine down, plug in the new monitor and boot the desktop to watch the screen.
If you are unfamiliar with how to change the resolution, here are the steps to
do so:
1. Right-click on the desktop
2. Select Properties
3. In the Settings tab, click and drag the Screen Resolution option to its
furthest left position.
4. Click Apply and OK.
If this doesn't fix the problem, it's likely that there is a driver conflict. If
you still have the old monitor, or if you have another CRT available, boot up
again when connected to the CRT and perform the following steps to remove the
old drivers from the machine:
1. Click Start
2. Right-click My Computer
3. Select Manage
4. Select Device Manager
5. Expand Monitors
6. Right click on the monitor you wish to uninstall and select
"Uninstall"
7. If there are any other entries, uninstall those, as well.
Then shut your machine down, plug in the LCD monitor and boot the machine.
If the above mentioned steps don't help, try switching the type of cable used
to connect the monitor to the desktop. If you are currently using a VGA cable,
try switching to DVI (depending on how old your graphics card is this
option might not be available). If using DVI, try switching to VGA.
If the LCD monitor manages to work, I would recommend you verify the proper
drivers are installed. To do this:
1. Click Start
2. Right-click My Computer
3. Select Manage
4. Select Device Manager
5. Expand Monitors
6. Right click on the monitor you wish to update the drivers for and select
"Update Driver" (you will need to be connected to the Internet for
the automatic update to work)
7. Select "Yes, this time only" and click Next
8. Leave the default option selected on the next screen and click Next.
If the automatic driver update finds no match for the hardware, you may need to
download the driver and install it manually. Click HERE
to download the driver for your monitor.
Save the file to your desktop and extract the file to your desktop. In Device
Manager, right click on the Acer monitor and select Update Driver.
Select "Yes, this time only" and click Next.
Select the Advanced option on the next screen and click Next.
Check the checkbox next to "Include this location in the search:"
Click Browse.
Minimize any option currently expanded and search for the recently extracted
folder underneath "Desktop".
Expand it and select the folder inside.
The OK button should now be available. Click OK and click Next.
The driver should install and your monitor should function normally from that
point forward.
If none of those options work, you might want to think about opening a support
case with Acer or returning the monitor for one that is comparable.
I hope I was able to help you! If you have any questions, please feel free to
respond.
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