a 6ya Technician can help you resolve that issue over the phone in a minute or two.
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Acer produces a number of LCD computer monitors. Acer's monitors range from 17 inches to 27 inches. Some monitors offer wide-screen viewing, embedded speakers, high-definition visuals, and various display connection ports. Acer computer monitor problems include common issues such as dead pixels, error messages, and blank screens caused by incorrect connections. Some reviewers have also detected image problems with DVD playback on some models.
"Input Not Supported" Error Message Acer computer monitors such as the G24 may issue an "Input Not Supported" error message when users set the display resolution too high. The G24's maximum display resolution is 1920x1200 with a 60Hz refresh rate. Maximum resolutions vary according to the specific monitor model and according to the capabilities of the computer's video card. b> "Input Out of Range" b> Some Acer computer monitors may report an "Input Out of Range" error message due to incorrectly set monitor refresh rates. Much like the display resolution, each monitor also has specific monitor refresh rates with which it is compatible. Blank Screen or "No Signal" Error b> Like other monitors, Acer computer monitors feature color-coded power indicator lights. If the power indicator light shows green, the contrast or brightness levels may be set too low and should be adjusted via the OnScreen Display. If this does not rid the monitor of a black screen, the monitor may be experiencing hardware failure. The "No Signal" or "Check Cable message" may indicate a problem with the monitor's cable connection with the video card. This error may also appear on a blank screen backdrop if the monitor is plugged into the incorrect port on the computer or if the computer is frozen and needs to be rebooted. Faulty power cords or outlets may cause the screen to be black and to show no power indicator color. b> Image Issues b> Some review sites such as CNET have reported problems with streaking and ghosting during DVD playback on some Acer computer monitors such as the AL1931. (A "ghost" is an identical offset image as the primary or desired image.) Unstable or unclear image issues may be caused by incorrectly programmed VGA timings or incorrectly installed monitor drivers. b> Dead Pixels b> Dead pixels and sub-pixels can cause a variety of display enjoyment problems. Acer will only accept returns on LCD computer monitors that have "more than four (4) defective pixels per million pixels." Further, the central area of the monitor may have no more than one defective pixel. Acer does not differentiate in warranty terms between pixels and sub-pixels. Hope this helps.
Computer viruses are a real pain to deal with. One way to combat computer viruses is to restore your computer to its factory settings. This means restoring the settings to the specific date that you bought and set up your Dell Lattitude. There are two ways to do this. You can use the System Restore function available with your Windows operating system; or, you can use the pre-installed system restore utility that comes with your Dell Lattitude laptop.
Turn on your computer, and then click on the Windows "Start" icon in the bottom left-hand corner of the screen. Click on "All Programs," and then select the "Accessories" dropdown menu. Select "System Tools," and then click on "System Restore." Wait for the System Restore welcome screen to appear. Click on "Restore my computer to an earlier time." Click on the "Next" button to continue. Click on the back arrow next to the calendar until you have reached the date you purchased or set up your computer. Select that date, and then click on the "Next" button to continue. Your computer will automatically restart. b> Using Dell System Restore Utility b> Turn on your computer, and then press "F8" as your Dell Latitude is booting up to enter the "Advanced Bootup Options" screen. Press the down arrow, and then select "Repair Your Computer." Press the "Enter" key to continue. Select "English" as the default language, and then click on the "Next" button to continue. Enter your administrative username and password, and then click "OK." Click on "Dell Factory Image Restore," and then click on the next button to continue. Click on the box next to "Yes, reformat hard drive and restore system software to factory condition." Click "Next" to continue. Wait for the factory restoration process to complete, and then click on the "Finish" button to complete the system restore process.
If you attach the VGA and just the projector(or external screen) is not working and your computer still works, it could be a settings option. Connecting it then going to Start>Control Panel> Hardware and Sound>Connect to a projector. Make sure "computer only" isn't marked.
Dell's web-site has a "automatically detect my system" which will determine the Dell Service Tag, and display it.
Or, start your computer, and enter BIOS SETUP.
Browse through the various menu items,
and the Dell Service Tag will be displayed.
One thing that I've noticed about the Inspiron 1000, is the LCD ground is done exclusively thru the hinges. Try tightening the LCD hinge screws (Marked with a (D)) 2 on the bottom of the chassis and possibly 2 on the back. (I just tightned every screw I could find)
Once the ground connection is improved, the LCD may work better
same problem, broke my screen, ordered a new screen off ebay and replaced it. now it works fine most of the time but sometimes external display freezes. sometimes goes black, sometimes goes multicolor pixelated (full screen, in blocks, or lines) when this happens sometimes touchpad still works, others not. removing battery usualy temporarily fixes.