Possible monitor burn-in ?

Hi, been using my Samsung SyncMaster 2493HM for about 2 and a half years now and after cleaning it today i have noticed 2 lines at the top of the screen, they appear to line up with the toolbars

How to prevent burn-in on a Philips monitor?

Real-Life OLED Burn-In Test On 6 TVs

How to fix screen burn on your iPhone or Android phone

VA panel burn-in?, [H]ard

Understanding Image Burn: Causes, Effects, and Solutions for Modern Displays - Riverdi

What's The Means Of Burn In Warranty In OLED Burn In Means

Potential screen burn in or image retention? Happened suddenly and displays on multiple inputs/ devices. : r/Monitors

XB271HU Odd display issue, possible burn-in. — Acer Community

How to Fix Screen Burn on Any Screen

What is OLED Burn-In and How to Prevent It - Easy 5 Minutes

AOC 27” CQ27G1 QHD 144Hz possible burn in upon purchase. Need help : r/ Monitors

Prevent LCD Burn In Effect, Anti-Burn-in Technology

Monitor Burn In, What It Is & How to Prevent It

What is the main cause of screen pixels burning?, by Yekta

How MSI OLED CARE prevents OLED from burn-in