Hello! I've been using my Compaq Presario (M2000) Laptop for 2 years now, then all of a sudden I saw 2 vertical lines on the screen. 1 line is a clear red line (but not so thick & dark) located about 1/3 from the left of the screen while the other is a very faint (thin, almost transparent) line located about 1/5 from the right of the screen. I think it might be a monitor problem. I'm not very good in fixing computers so I have not done anything about it yet. I'd appreciate your help very much. Thanks!
Most of the time, symptoms like those appearing on your laptop are caused by problems with your video card or the LCD screen. One of the main causes for the problem is excessive heat buildup in the laptop that damages either component, or both of them. If you have a jack for connecting an exterior monitor, try hooking up a monitor to the laptop. If the problematic lines don't show up on your LCD, that;s the component that's going bad, If they are still visible, there's a good chance your video card is going bad (or both the video card and LCD screen are going bad).
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I would suggest you try safe mode.
Safe mode is a troubleshooting option for Windows that starts your computer in a limited state. Only the basic files and drivers necessary to run Windows are started. The words "Safe Mode" appear in the corners of the display to identify which Windows mode you are using. If an existing problem does not reappear when you start in safe mode, you can eliminate the default settings and basic device drivers as possible causes.
If you don't know the cause of the problem, you can use the process of elimination to help you find the problem. Try starting all of the programs you commonly use, including the programs in your Startup folder, one by one, to see if a program might be the cause of the problem.
Follow the steps to boot the computer in safe mode with networking:
1. Restart your computer if it is powered on.
2. Tap the F8 key after your computer initially powers on.
3. Once you see the Advanced Boot Options menu you can stop tapping.
4. Use the up/down arrow keys to highlight your selection.
5. Select Safe Mode with Networking and press Enter.
6. You should see drivers loading, and then please wait.
7. You should then be at the Welcome Screen.
8. Logon to your computer using an account with Administrator privileges.
Power the unit off (holding power buttom) and selecting Power off, then simultaneously hold the "back" button and on button for about 8 seconds. When the android icon appears, press back buttom, in the menu select wipe data/factory reset pressing the home buttom and then press the back buttom, in the next screen select "yes delete all user data" pressing back buttom, and in the next screen select "reboot system now" with the back buttom and wait.
You placed your problem with wrong category, I assumes. Is it a projection TV or a laptop? If it is a TV; check the site linked here for one color predominant screen faults. If it is a computer, re post your problem by computer category. http://electronicshelponline.blogspot.com/
If you have a Windows OS, press and hold the ALT and CTRL (control) keys and then press the Up arrow. (If that doesn't work, try holding the Alt and CTRL keys and pressing the left (or right) arrow key twice.) If that fails, right click on the desktop (Windows+D will minimize all programs), anywhere with no running programs or icons. Then select the Screen Resolution option. Look for the line Orientation; use the drop down menu to select the correct orientation. Click Apply and then confirm the setting change if a confirmation window pops up. (This works in Windows 7 and 8.) For older Windows versions on laptops, you may need to select Graphics Properties (or a similar line) and then repeat this. The Windows screen rotation option is dependent on your video card. With some models, you'll need to open the graphics card properties to undo the rotation. You should see a line for the graphics adapter when you right click on the Display.
For Macintosh OS, make sure that the System Preferences is closed. Then open it by pressing Option/alt + CMD . Select the line Display. Find the button labeled Rotation: Standard then choose the correct screen orientation.