diff --git a/WIN10_WinISP_SrcCode_For_MOKA_20250416_1/WinISP/FormISP_MSI.cs b/WIN10_WinISP_SrcCode_For_MOKA_20250416_1/WinISP/FormISP_MSI.cs
index 768434d..64b9f1b 100644
--- a/WIN10_WinISP_SrcCode_For_MOKA_20250416_1/WinISP/FormISP_MSI.cs
+++ b/WIN10_WinISP_SrcCode_For_MOKA_20250416_1/WinISP/FormISP_MSI.cs
@@ -1663,6 +1663,8 @@ namespace WinISP
                 SetStatusMsg("Ready");
             frmISP.WriteLog("===== Start ISP =====", "info");
             frmISP.WriteLog("binFilePath = " + _binFilePath + ", simI2cCtrl = " + _simI2cCtrl, "info");
+            frmISP.WriteLog("[ENV] GPU = " + GetGpuInfoSnapshot(), "info");
+
             //int totalFailCnt1 = 0;
             int failCnt = 0;
             int checkSumFailCnt = 0;
@@ -2288,5 +2290,92 @@ namespace WinISP
             }
             return buffer;
         }
+
+        /// <summary>
+        /// 通过 WMI 采集所有显卡信息快照，用于诊断不同 GPU 厂商(N/A/I)下的 ISP 行为差异。
+        /// 该方法自带异常拦截，任何失败都不影响主升级流程。
+        /// </summary>
+        private string GetGpuInfoSnapshot()
+        {
+            var sb = new System.Text.StringBuilder();
+            try
+            {
+                using (var searcher = new System.Management.ManagementObjectSearcher(
+                    "SELECT Name, AdapterCompatibility, DriverVersion, AdapterRAM, " +
+                    "VideoProcessor, PNPDeviceID, Status FROM Win32_VideoController"))
+                {
+                    int idx = 0;
+                    foreach (var mo in searcher.Get())
+                    {
+                        idx++;
+                        string name = SafeWmi(mo, "Name");
+                        string vendor = SafeWmi(mo, "AdapterCompatibility"); // 厂商: NVIDIA / Advanced Micro Devices / Intel
+                        string driverVer = SafeWmi(mo, "DriverVersion");
+                        string ramStr = SafeWmi(mo, "AdapterRAM");
+                        string gpuProc = SafeWmi(mo, "VideoProcessor");
+                        string pnp = SafeWmi(mo, "PNPDeviceID");
+                        string status = SafeWmi(mo, "Status");
+
+                        // 归一化厂商标识，方便日志里一眼区分 N/A/I 卡
+                        string vendorTag = ClassifyGpuVendor(vendor, name, pnp);
+
+                        string ramMB = "N/A";
+                        long ramBytes;
+                        if (long.TryParse(ramStr, out ramBytes) && ramBytes > 0)
+                            ramMB = (ramBytes / 1024 / 1024) + "MB";
+
+                        sb.Append("[GPU#" + idx + "] tag=" + vendorTag
+                            + " name=" + name
+                            + " vendor=" + vendor
+                            + " driver=" + driverVer
+                            + " ram=" + ramMB
+                            + " proc=" + gpuProc
+                            + " status=" + status
+                            + " pnp=" + pnp
+                            + " | ");
+                    }
+                    if (idx == 0)
+                        sb.Append("No Win32_VideoController found.");
+                }
+            }
+            catch (Exception ex)
+            {
+                sb.Append("GetGpuInfoSnapshot EXCEPTION: " + ex.Message);
+            }
+            return sb.ToString();
+        }
+
+        /// <summary>WMI 字段安全读取，避免某些字段为 null 抛异常。</summary>
+        private string SafeWmi(System.Management.ManagementBaseObject mo, string prop)
+        {
+            try
+            {
+                var v = mo[prop];
+                return v == null ? "null" : v.ToString().Trim();
+            }
+            catch
+            {
+                return "err";
+            }
+        }
+
+        /// <summary>根据厂商字符串/名称/PNPDeviceID 的 VEN_ 归类为 N/A/I/Other。</summary>
+        private string ClassifyGpuVendor(string vendor, string name, string pnp)
+        {
+            string s = ((vendor ?? "") + " " + (name ?? "")).ToUpperInvariant();
+            string p = (pnp ?? "").ToUpperInvariant();
+
+            // 优先用 PCI VendorID 判断，最准
+            if (p.Contains("VEN_10DE")) return "N(NVIDIA)";
+            if (p.Contains("VEN_1002")) return "A(AMD)";
+            if (p.Contains("VEN_8086")) return "I(Intel)";
+
+            // 退化到字符串匹配
+            if (s.Contains("NVIDIA")) return "N(NVIDIA)";
+            if (s.Contains("AMD") || s.Contains("ADVANCED MICRO") || s.Contains("RADEON") || s.Contains("ATI")) return "A(AMD)";
+            if (s.Contains("INTEL")) return "I(Intel)";
+
+            return "Other";
+        }
     }
 }