Support Knowledge Base

"PCIe not supported" legend shown on Intel Arc Graphics on systems with A-Series mobile discrete graphics cards

Content Type: Troubleshooting | Article ID: 000102794 | Last Reviewed: 05/11/2026

Description Resolution

Environment

Operating System

Windows 11, 64-bit*

Laptop is Intel NUC 15 AC57 with A730m. NUC 15 AC57 with the A550m. Lenovo laptop with A370m

Description

With old drivers (July 2025), the Intel app show Resizable BAR enable and PCIe 4.0 supported. After installing any other driver, when opening the app the Resizable Bar is either not present or show unsupported and PCIe Not Supported.

Resolution

Intel is currently investigating this issue. Please contact Intel Customer Support for more information.

Related Products

This article applies to 9 products.

Intel® Arc™ A380 Graphics Intel® Arc™ A750 Graphics Intel® Arc™ A370M Graphics Intel® Arc™ A580 Graphics Intel® Arc™ A770 Graphics (8GB) Intel® Arc™ A770 Graphics (16GB) Intel® Arc™ A570M Graphics Intel® Arc™ A350M Graphics Intel® Arc™ A530M Graphics

Need more help?

Contact support