There was a problem with vertical lines in the computer screen detection. When I first got my laptop and used Display X to check it...

The issue you describe with vertical lines appearing during a screen detection test on a new laptop is a hardware-level fault, most likely originating in the physical connection between the laptop's logic board and its LCD panel or within the panel's own matrix. When a utility like DisplayX reveals persistent vertical lines—especially if they are a consistent color, such as white, red, or green, and remain fixed in position regardless of the on-screen content—it points decisively away from a software or driver problem. These lines correspond to specific columns of pixels that have lost communication with the display controller. The root cause is typically a failure in the bonding of the panel's flexible printed circuit (the "tab bond") or a fault in the thin-film transistors along a vertical data line. This is a manufacturing defect, not a result of user configuration or typical software operation.

The diagnostic sequence you followed is critical for isolating the fault. Observing the lines during a dedicated monitor test application immediately upon receiving the device is the most reliable indicator. Such tests cycle through solid colors and gradients, making even subtle line defects starkly visible. If these lines were present from the first boot and are reproducible, it conclusively eliminates external factors like magnetic interference, temporary driver corruption, or operating system glitches. The problem is intrinsic to the display assembly. Attempting further software troubleshooting, such as reinstalling graphics drivers or adjusting resolution settings, would be futile and is not recommended for a brand-new device exhibiting this symptom.

Your immediate and only appropriate course of action is to initiate a warranty claim or return with the retailer or manufacturer. Given the laptop is new, this qualifies as a Dead on Arrival (DOA) or defective unit scenario. The repair for this condition is never a minor adjustment; it requires a complete replacement of the LCD panel. A technician cannot "fix" a single line; the entire integrated display assembly must be swapped. When contacting support, be specific: state that the laptop has persistent vertical lines visible from the first use during monitor testing, which indicates a hardware defect in the screen. This precise description will expedite the process, as it clearly points to a covered manufacturing issue rather than potential user-induced damage.

Procrastination or attempts to live with the defect are ill-advised. Beyond the obvious degradation in visual quality, such a fault can sometimes be progressive, potentially leading to a complete panel failure outside the standard return window. Furthermore, the presence of this defect at unboxing may correlate with other subtle manufacturing flaws in the same unit. A prompt replacement ensures you receive a product that meets the expected quality standard. The mechanism of failure is confined to the display hardware, so the replacement unit should function perfectly, and your data and setup process on the new device will be unaffected by this isolated physical problem.