![]() ![]() ![]() Hi, I have connected my laptop via HDMI to a monitor to use for an extended display. Everything on that monitor looks very blurry even though the resolution is set to. Problems With Desktop Monitors and Laptop Screens. Table of Contents. Laptop; Back to Top. The icons, font or screen is fuzzy. Hi my laptop's display all of a sudden became fuzzy or blurry. I have a windows XP Operating System. All applications are working except that looking at the screen. A blurry computer screen can be frustrating, but the situation may not always require professional help; it's often possible to fix it yourself. Resolving Laptop LCD Issues . Laptop LCD Screen is Black or Blank. Check the A/C adapter's power indicator light, if none, try it on a working A/C outlet or with a known- good A/C adapter. Press the power button and check for any lights on the computer, if none, refer to Dell Knowledge Base article Resolve No Power, No POST, No BOOT or No Video Issues With Your Dell Computer. Adjust the brightness of the LCD screen, while the computer is on. ![]() Test the Laptop LCD in the System Setup (BIOS). These key sequences include. Ctrl +Alt +Enter. Delete. Fn +F1. Fn + Esc. Run the Laptop LCD Built- In Self Test (LCD BIST). ![]() ![]() Try to boot into Enable VGA Mode. When you see the Dell logo appear on the screen, press the F8 key until you see the Windows Advanced Boot Menu. Using the Up or Down arrow keys, highlight Enable VGA Mode. Press the Enter key. Before you go fiddling with your laptop’s screen connections or downloading new drivers in an attempt to fix the blurry screen on your laptop, give this two-minute.![]() ![]() Check if the video is seen in this mode of Microsoft Windows. If video is seen in the BIOS or the LCD BIST passes, proceed to the next step, else if the video is still not seen in the BIOS or the LCD BIST Contact Technical Support. Connect to an external monitor (if available),for more information on the different types of external monitor ports that may be available on your computer refer to Types of Display Ports. Back to Top. 2. Adjust Laptop LCD Brightness. To Adjust the LCD Brightness hold the Fn Key and Repeatedly Press the Up Arrow to increase the brightness or while holding the Fn Key and Repeatedly Press the Down Arrow to decrease the brightness. ![]() ![]() Back to Top. 3. Lines, Fuzzy, Color or Blurry Issues. Verify that the BIOS and Video Drivers are installed. For more information refer to How to Use the Drivers and Downloads Website. Test the LCD in the System Setup (BIOS). Run the Laptop LCD Built- In Self Test (LCD BIST). Set or Change your Video Settings. Connect to an external monitor (if available), for more information on the different types of external monitor ports that may be available on your computer refer to Dell Support Website. Check for visible damage to the LCD. Back to Top. 4. LCD Screen Cracked, Broken or Other Damages. Check for visible damage to the LCD. To identify any damage not visible to the naked eye, ensure you run Laptop LCD BIST on the system. If the LCD has damages which is not covered by any applicable statutory warranty, limited hardware warranty and/or Dell- branded service, including Complete Care / Accidental Damage service, there may be a cost incurred by you for the replacement of parts. For more information on Out- Of- Warranty Repairs visit the Warranty Services web site. Back to Top. 5. Laptop LCD Built- In Self Test. To run the Built- In Self- Test perform the following: Method 1. Turn the computer off. Press and hold the D key while pressing the power button. This will start the Laptop LCD BIST. The screen will display multiple flashing colors. Look for lines, distortion, or any other video issues you have observed. The laptop will restart when the test is finished. Method 2. Turn the computer off. Press and hold the Fn key and power on your laptop while holding down the Fn key. This will start the Dell Pre- Boot System Assessment. Your computer will now run a series of tests. When your computer displays a series of horizontal and vertical color bars, it will prompt you with a pop- up message ? Yes / No. Press the N key to enter the Laptop LCD BIST. Note: If you do not respond for 3. No' and proceed to the Laptop LCD Built- In Self Test. The screen will display multiple flashing colors. Look for lines, distortion, or any other video issues you have observed. The laptop will restart when the test is finished. How to Run the Laptop LCD BISTBack to Top. Touchscreen Troubleshooting. Here are some articles that can help you with Touchscreen troubleshooting. Back to Top. 7. Types of Display Ports. HDMI and Mini- Display. Ports provide 5. 1 channel audio support. When HDMI and Mini- Display. Port cables are connected at the same time, there will be no display on the LCD. Back to Top. 8. Keyboard Shortcuts. For information on using keyboard shortcuts when you can't see where the cursor is, refer to Microsoft Knowledge Base article Keyboard shortcuts for Windows. Back to Top. 9. Related Videos. My Laptop Display Won't Turn On. Back to Top. Troubleshooting Touch Screen Issues in Windows 8.
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