A horizontal gray line guard appearing through my paintings.

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  In the little time when I click on a link and Firefox loads the page, there are these small gray lines that appear. (http://prntscr.com/56zhsd) When I bought my computer, there are not. But less than a week, they began to appear and they kept adding just now since.
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  You can try to disable hardware acceleration in Firefox.

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  • https://support.Mozilla.org/KB/troubleshooting+extensions+and+themes
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• Horizontal line to appear in the display of Toshiba 32BL502

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• HP Pavilion DV6-6117dx - horizontal flickering lines appear after the display turns off automatically

  The DV6-6117dx model (as well as other HP Pavilion laptops) have experienced a problem where the screen will display a flickering, horizontal line to the top of the screen, after it has been automatically disabled (note: not in sleep or Standby Mode).

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  Hello
  I think it's the right time to get in touch with HP and use the guarantee. How to do?
  Click on the link below and choose your country:
  Contact HP worldwide

  You can also try the suggestions from the link below before you send it to the service:

  Common issues with the screens

• HP pavilion dv7-6b55dx - line quarter inch Horizontal gray in the middle of the screen

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  It is usually the screen.  LaptopScreen.com has replacements for usually less then $60, which includes shipping. To be sure that it is the screen, connect an external monitor and make sure that there is no grey lines on the external monitor.  If there is, then it is assumed the video chip. Move fourth screen of the laptop and see if the lines disappear.  If they do, then it is the cable from the motherboard to the screen.

• OfficeJet L7680 - thick horizontal white lines when printing faxes and fed through copies

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  Print fine, but now when you print a fax or copy a fed, I'm thick horizontal white lines making it impossible to read some of the impression.

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  Hello sz6,.

  Looks like you may need to clean the lid of the scanner printer and it's other components.

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• HP C5380 all-in-one printer: a thick black/gray line down the page when scanning.

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  bbjae, it looks like there may be a residual electric charge accumulated in the unit.  When was the last time you did a Hard Reset on this unit?

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• HP Officejet Pro 8600: scanning on glass OK; scanning with ADF gives a gray line

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  When I scan a document on my HP Officejet Pro 8600 glass all in one, everything is OK.  However, when I use the ADF for scanning, a gray line appears on the scanned document.  Can I reslove cela to clean something or is this a technical problem?

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  I'm sorry to learn that when you scan from your ADF file, you see a line on your document. This is usually fixed by clean under the scanner, however there could be other causes. I have the best guide for this type of situation that will show you where clean and give the appropriate instructions. I hope that this rid your question!

  Click here to start: vertical stripes, lines or streaks in the Copies, faxes or Scans

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• LaserJet M5035 MFP: I have a purple line which appears in the scanned document

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  When sending e-mail through the printer scanner, I have a purple line which appears in the scanned document. Scanning is done from the "feeder ' ' the printer and not the glass.

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  You have a solution to this problem?

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  The small windows of the charger scanner had a small red above mark.  When the analysis has been done and sent on an e-mail, the line shows as it is scanned were made with the color scan option.  If I print the line doesn't show because the printer is not color!

• Photosmart B109n-z printer: printer HP Photosmart Wireless B109n-z-horizontal gray stripes on a black background

  My printer has started to produce printing black ink poor quality despite the change of cartridges and all other things related quality control. Black text is periodic display faded horizontal lines with sharp text blurry. All switches quality of ink have been increased to the highest quality without result.

  The Test page shows no problem with black type face being perfectly crisp and clear and colours print normally.

  The diagnostic test page horizontal gray bands shows in the black print ONLY. See below. Is it a matter of change, printing headed into black ink?

  Thank you

  

  Hi Chatsworth52,

  Sorry to hear that none of the steps has helped solve this problem.

  Most likely the print head needs to be replaced, but no guarantee that will fix this problem either.

  Thank you.

• HP Pavilion m6 random Gray lines at startup

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  Well, I sat for an hour after struggling to understand the problem...

  Sometimes if you held the power button down it would be arrives at start of Windows then going crazy, went from a gray staticy flicker to blue to red, etc., then turns off. I took out battery, hold the power button for 1 minute to get rid of all the energy stored, deleted RAM memory and reinstalled everything.

  Oddly enough, the computer starts fine in mode safe mode, but not in the regular windows all the time.

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