diff --git a/ods/extensions/services/dashboard/src/hooks/__tests__/useGPUDetailed.initial.test.js b/ods/extensions/services/dashboard/src/hooks/__tests__/useGPUDetailed.initial.test.js
new file mode 100644
index 0000000000..3b57c0edc0
--- /dev/null
+++ b/ods/extensions/services/dashboard/src/hooks/__tests__/useGPUDetailed.initial.test.js
@@ -0,0 +1,44 @@
+import { act, renderHook, waitFor } from '@testing-library/react'
+import { useGPUDetailed } from '../useGPUDetailed'
+
+const response = (body, status = 200) => ({
+  ok: status >= 200 && status < 300,
+  status,
+  json: async () => body,
+})
+
+describe('useGPUDetailed', () => {
+  afterEach(() => {
+    vi.useRealTimers()
+    vi.restoreAllMocks()
+    Object.defineProperty(document, 'hidden', { configurable: true, value: false })
+  })
+
+  test('loads initial GPU state while the document is hidden', async () => {
+    Object.defineProperty(document, 'hidden', { configurable: true, value: true })
+    vi.stubGlobal('fetch', vi.fn()
+      .mockResolvedValueOnce(response({ gpus: [{ name: 'GPU' }] }))
+      .mockResolvedValueOnce(response({ samples: [] }))
+      .mockResolvedValueOnce(response({ links: [] })))
+
+    const { result } = renderHook(() => useGPUDetailed())
+
+    await waitFor(() => expect(result.current.loading).toBe(false))
+    expect(fetch).toHaveBeenCalledTimes(3)
+    expect(result.current.detailed.gpus[0].name).toBe('GPU')
+    expect(result.current.error).toBeNull()
+  })
+
+  test('pauses after hidden initial data and resumes immediately when visible', async () => {
+    vi.useFakeTimers()
+    Object.defineProperty(document, 'hidden', { configurable: true, value: true })
+    vi.stubGlobal('fetch', vi.fn().mockResolvedValue(response({ gpus: [] })))
+    const { unmount } = renderHook(() => useGPUDetailed())
+    await act(async () => { await vi.advanceTimersByTimeAsync(20000) })
+    expect(fetch).toHaveBeenCalledTimes(3)
+    Object.defineProperty(document, 'hidden', { configurable: true, value: false })
+    await act(async () => { document.dispatchEvent(new Event('visibilitychange')) })
+    expect(fetch).toHaveBeenCalledTimes(6)
+    unmount()
+  })
+})
diff --git a/ods/extensions/services/dashboard/src/hooks/useGPUDetailed.js b/ods/extensions/services/dashboard/src/hooks/useGPUDetailed.js
index c2188ad2c3..f167d3da36 100644
--- a/ods/extensions/services/dashboard/src/hooks/useGPUDetailed.js
+++ b/ods/extensions/services/dashboard/src/hooks/useGPUDetailed.js
@@ -16,9 +16,10 @@ export function useGPUDetailed() {
     // the replacement lifetime or release its in-flight guard.
     let fetchInFlight = false
     let disposed = false
+    let hasFetched = false
     let activeController = null
     const fetchAll = async () => {
-      if (disposed || document.hidden || fetchInFlight) return
+      if (disposed || (document.hidden && hasFetched) || fetchInFlight) return
       fetchInFlight = true
       const controller = new AbortController()
       activeController = controller
@@ -38,6 +39,7 @@ export function useGPUDetailed() {
         if (details !== undefined) setDetailed(details)
         if (samples !== undefined) setHistory(samples)
         if (links !== undefined) setTopology(links)
+        hasFetched = true
         setError(null)
       } catch (err) {
         if (!disposed) setError(err.message)