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[LG Gram Laptop Screen] Horizontal lines appear and disappear in the

Do you see horizontal lines appearing and disappearing at the bottom of the LCD screen?

[LG Gram Laptop Screen] Horizontal lines appear and disappear in the screen while using Windows 10 LG USA help image
[LG Gram Laptop Screen] Horizontal lines appear and disappear in the screen while using Windows 10 LG USA help image 2
[LG Gram Laptop Screen] Horizontal lines appear and disappear in the screen while using Windows 10 LG USA help image 3
[LG Gram Laptop Screen] Horizontal lines appear and disappear in the screen while using Windows 10 LG USA help image 4
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TroubleshootingMonitors

What to Check First

  1. This symptom may be caused by Intel's Panel Self Refresh Technology, which saves energy.
  2. It can occur due to a video driver error.
  3. Do you see horizontal lines appearing and disappearing at the bottom of the LCD screen?
  4. Applicable models: 17Z90P / 16ZD90P / 14T90P / 16T90P.
  5. 1. Press the [Start] menu at the bottom of the screen and launch [Intel® Graphics Command Center].
  6. 2. From [Intel Graphics Commad Center], click [System] and [Power] in order.
  7. ※ The menus may appear differently depending on your driver version.
  8. 3. Turn off the [Panel Self Refresh] and [Display Power Savings] options.
  9. ※ If the problem persists, then reinstall or update the graphic driver.
  10. This guide was created for all models, so the images or content may be different from your product.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for [LG Gram Laptop Screen] Horizontal lines appear and disappear in the screen while using Windows 10?

This symptom may be caused by Intel's Panel Self Refresh Technology, which saves energy.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

Buying Guides for This Product Type

Efficiency & running costMonitor Efficiency, Energy & Running-Cost GuideHousehold use caseMonitor Family & High-Use Household GuideFeatures & valueMonitor Features Worth Paying For — Value GuideFit & installationMonitor Fit, Installation & Delivery Planning

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Read the Official LG Guide