日本語
SYMPTOM GUIDE

Graphics driver and display problems

Find GeForce, Radeon and Windows display troubleshooting guides. Match the GPU, driver and affected application before updating or rolling back a driver.

Choose the right starting point

  1. Record the GPU, driver version and laptop model if applicable.
  2. Check whether only a game or the whole desktop is affected.
  3. Match the official conditions before changing the driver.
Check your product and version →

Guides for this symptom 36

General troubleshooting guides are distinct from reports of a known issue affecting a specific version. Check the conditions in each article.

▦Gaming monitor OSD settingsTroubleshooting guide

Monitor shows "No Signal" after changing OSD overclock or DisplayPort settings: how to get the picture back

Right after turning on overclocking or raising the maximum refresh rate in the monitor OSD, the monitor shows "No Signal" or the screen stays black

Windows 11 / Windows 10. The screen shows "No Signal" or stays black right after you changed overclocking (a higher maximum refresh rate) or the DisplayPort version setting in the monitor's on-screen menu (OSD), or after adding a custom resolution in the graphics driver
Checked 2026.09.13Read guide ↗
▤Desktop PC graphics card PCIe slotTroubleshooting guide

Graphics card runs at PCIe x8 or a lower generation: check GPU-Z Bus Interface, M.2 lane sharing and BIOS link speed

The GPU-Z "Bus Interface" field reads something like "PCIe x16 5.0 @ x8 5.0" or "PCIe x16 4.0 @ x16 2.0", with the value after @ lower than the value before it

Windows 11 / Windows 10 custom-built or desktop PCs where the GPU-Z "Bus Interface" field (including the GPU-Z page in ASUS GPU Tweak III) shows the graphics card running with fewer lanes or an older generation than expected, such as x8 or PCIe 2.0 / 3.0
Checked 2026.09.13Read guide ↗
▦Windows 11 power mode / energy saver, laptop maker power profiles (Lenovo Intelligent Cooling)Troubleshooting guide

Laptop is slow only on battery: check the power mode, energy saver and the maker's cooling mode in that order

The same work becomes slower the moment the power adapter is unplugged: lower frame rates, longer exports, sluggish response

Windows 11 (energy saver on 24H2 and later, battery saver on 24H1 and earlier and on Windows 10). Lenovo ThinkPad Intelligent Cooling user guides are used as the published example of the maker side
Checked 2026.09.19Read guide ↗
▦Windows 11 and Windows 10 PCs with memory integrity (core isolation) on in Windows Security, or where turning memory integrity on reports incompatible driversTroubleshooting guide

A driver can't load on this device: what memory integrity is blocking, and the choices that leaves

A notification says a driver can't load on this device, without naming the hardware

Microsoft's support pages cover the meaning of the notification, why memory integrity ends up turned off, and the four hardware security capability messages shown on the Device security page in Windows Security. No build-specific differences are given. The pages were read on 2026-09-21.
Checked 2026.09.21Read guide ↗
▦A Windows 11 or Windows 10 PC with a built-in display. On a setup with only an external monitor, the Windows brightness slider itself may not appearTroubleshooting guide

The screen brightness changes on its own: telling content-based adjustment apart from ambient-light adjustment

Brightness and contrast shift on their own when a video moves from a dark scene to a bright one

Microsoft's support page covers changing brightness manually, changing it automatically with the lighting conditions, changing it automatically with the displayed content (on some Windows 11 PCs), and the limits on night light. The content-based setting has three options. No build-specific differences are given. The page was read on 2026-09-21.
Checked 2026.09.21Read guide ↗
Search by error code →