Worse on HDMI, on DisplayPort there is just a faint line, but still visible.
24inch FAULTY QVIS 4K Monitor Ultra HD
ASUS TUF Gaming VG27W 27" WQHD 165Hz LCD Curved Gaming Monitor Black - Faulty
XUM Gaming PC Desktop – FAULTY – FOR REPAIR
Benq xl2730z pc gaming monitor slightly faulty
KOORUI 27” Gaming Monitor GN06 Faulty Screen Lines HDMI DP Parts Repair
Sony PlayStation 3 (PS3) PS2 Compatible Fat Console Gaming System CECH03- Faulty