diff --git a/python/extensions/banners/_30_system_resources.py b/python/extensions/banners/_30_system_resources.py
index 51e764d63..9e1c257ef 100644
--- a/python/extensions/banners/_30_system_resources.py
+++ b/python/extensions/banners/_30_system_resources.py
@@ -10,15 +10,25 @@ class SystemResourcesCheck(Extension):
         except Exception:
             cpu_percent = None
 
+        try:
+            cpu_cores = psutil.cpu_count(logical=True)
+        except Exception:
+            cpu_cores = None
+
         load_avg = self._get_load_average()
 
         try:
             vm = psutil.virtual_memory()
             ram_percent = vm.percent
+            ram_used_gb = vm.used / (1024 ** 3)
+            ram_total_gb = vm.total / (1024 ** 3)
         except Exception:
             ram_percent = None
 
-        disk_percent, disk_path = self._get_disk_usage_percent()
+            ram_used_gb = None
+            ram_total_gb = None
+
+        disk_percent, disk_used_gb, disk_total_gb, disk_path = self._get_disk_usage()
 
         try:
             net = psutil.net_io_counters()
@@ -33,12 +43,21 @@ class SystemResourcesCheck(Extension):
             la1, la5, la15 = load_avg
             load_value = f"{la1:.2f} / {la5:.2f} / {la15:.2f}"
 
-        disk_value = "N/A"
-        if disk_percent is not None:
-            disk_value = f"{disk_percent:.0f}% ({disk_path})"
+        if disk_percent is None or disk_used_gb is None or disk_total_gb is None:
+            disk_value = "N/A"
+        else:
+            disk_value = f"{disk_used_gb:.2f}/{disk_total_gb:.2f} GB"
 
-        cpu_value = "N/A" if cpu_percent is None else f"{cpu_percent:.0f}%"
-        ram_value = "N/A" if ram_percent is None else f"{ram_percent:.0f}%"
+        if cpu_percent is None:
+            cpu_value = "N/A"
+        else:
+            cores_value = "" if cpu_cores is None else f" ({cpu_cores} cores)"
+            cpu_value = f"{cpu_percent:.0f}%{cores_value}"
+
+        if ram_percent is None or ram_used_gb is None or ram_total_gb is None:
+            ram_value = "N/A"
+        else:
+            ram_value = f"{ram_used_gb:.2f}/{ram_total_gb:.2f} GB"
 
         cpu_bar = self._bar_html(cpu_percent)
         ram_bar = self._bar_html(ram_percent)
@@ -50,20 +69,32 @@ class SystemResourcesCheck(Extension):
             "priority": 10,
             "title": "System Resources",
             "html": (
-                "<div style=\"display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;\">"
-                "<div style=\"grid-column:1 / -1;display:grid;grid-template-columns:max-content 1fr;gap:6px 14px;align-items:center;\">"
-                f"<div style=\"font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.7\">CPU</div>"
-                f"<div style=\"display:flex;gap:10px;align-items:center;\"><div style=\"font-weight:700\">{cpu_value}</div>{cpu_bar}</div>"
-                f"<div style=\"font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.7\">RAM</div>"
-                f"<div style=\"display:flex;gap:10px;align-items:center;\"><div style=\"font-weight:700\">{ram_value}</div>{ram_bar}</div>"
-                f"<div style=\"font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.7\">Disk</div>"
-                f"<div style=\"display:flex;gap:10px;align-items:center;\"><div style=\"font-weight:700\">{disk_value}</div>{disk_bar}</div>"
+                "<div style=\"display:flex;flex-direction:column;gap:14px;padding-top:6px;\">"
+                "<div style=\"display:grid;grid-template-columns:140px 1fr;row-gap:12px;column-gap:12px;align-items:center;\">"
+                "<div style=\"display:flex;flex-direction:column;gap:6px;\">"
+                "<div style=\"font-size:12px;letter-spacing:.10em;text-transform:uppercase;opacity:.65;line-height:1.1\">CPU</div>"
+                f"<div style=\"font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1\">{cpu_value}</div>"
+                "</div>"
+                f"{cpu_bar}"
+                "<div style=\"display:flex;flex-direction:column;gap:6px;\">"
+                "<div style=\"font-size:12px;letter-spacing:.10em;text-transform:uppercase;opacity:.65;line-height:1.1\">RAM</div>"
+                f"<div style=\"font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1\">{ram_value}</div>"
+                "</div>"
+                f"{ram_bar}"
+                "<div style=\"display:flex;flex-direction:column;gap:6px;\">"
+                "<div style=\"font-size:12px;letter-spacing:.10em;text-transform:uppercase;opacity:.65;line-height:1.1\">Disk</div>"
+                f"<div style=\"font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1\">{disk_value}</div>"
+                "</div>"
+                f"{disk_bar}"
+                "</div>"
+                "<div style=\"height:1px;background:rgba(255,255,255,.08);\"></div>"
+                "<div style=\"display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;\">"
+                f"<div><div style=\"font-size:12px;letter-spacing:.10em;text-transform:uppercase;opacity:.65;margin-bottom:6px;\">Load (1/5/15)</div><div style=\"font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;opacity:.85;font-variant-numeric:tabular-nums\">{load_value}</div></div>"
+                f"<div><div style=\"font-size:12px;letter-spacing:.10em;text-transform:uppercase;opacity:.65;margin-bottom:6px;\">Net (since boot)</div><div style=\"font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;opacity:.85;font-variant-numeric:tabular-nums\">{net_sent} sent / {net_recv} recv</div></div>"
                 "</div>"
-                f"<div style=\"padding-top:2px;\"><div style=\"font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.7;margin-bottom:4px;\">Load (1/5/15)</div><div style=\"font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;opacity:.85\">{load_value}</div></div>"
-                f"<div style=\"padding-top:2px;\"><div style=\"font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.7;margin-bottom:4px;\">Net (since boot)</div><div style=\"font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;opacity:.85\">{net_sent} sent / {net_recv} recv</div></div>"
                 "</div>"
             ),
-            "dismissible": False,
+            "dismissible": True,
             "source": "backend",
         })
 
@@ -80,8 +111,8 @@ class SystemResourcesCheck(Extension):
             color = "#22c55e"
 
         return (
-            "<div style=\"flex:1;min-width:120px;max-width:220px;height:8px;border-radius:999px;"
-            "background:rgba(255,255,255,.10);overflow:hidden;\">"
+            "<div style=\"flex:1;min-width:140px;max-width:260px;height:10px;border-radius:999px;"
+            "background:rgba(255,255,255,.10);overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);\">"
             f"<div style=\"height:100%;width:{p:.0f}%;background:{color};border-radius:999px;\"></div>"
             "</div>"
         )
@@ -92,14 +123,16 @@ class SystemResourcesCheck(Extension):
         except Exception:
             return None
 
-    def _get_disk_usage_percent(self) -> tuple[float | None, str]:
+    def _get_disk_usage(self) -> tuple[float | None, float | None, float | None, str]:
         for path in ["/", os.path.expanduser("~")]:
             try:
                 usage = psutil.disk_usage(path)
-                return usage.percent, path
+                used_gb = usage.used / (1024 ** 3)
+                total_gb = usage.total / (1024 ** 3)
+                return usage.percent, used_gb, total_gb, path
             except Exception:
                 continue
-        return None, "/"
+        return None, None, None, "/"
 
     def _format_bytes(self, value: int) -> str:
         size = float(value)
diff --git a/webui/components/welcome/welcome-screen.html b/webui/components/welcome/welcome-screen.html
index 1364c57c1..5e07ed8f4 100644
--- a/webui/components/welcome/welcome-screen.html
+++ b/webui/components/welcome/welcome-screen.html
@@ -50,6 +50,25 @@
                         </div>
                     </div>
 
+                    <div class="welcome-actions-footer">
+                        <button type="button"
+                                class="welcome-refresh-button"
+                                @click="refreshBanners(true)"
+                                :disabled="bannersLoading"
+                                title="Refresh banners">
+                            <span class="material-symbols-outlined" :class="{ 'welcome-spin': bannersLoading }">refresh</span>
+                        </button>
+
+                        <button type="button"
+                                class="welcome-refresh-button"
+                                @click="undismissBanners()"
+                                x-show="hasDismissedBanners"
+                                :disabled="bannersLoading"
+                                title="Undismiss all banners">
+                            <span class="material-symbols-outlined">undo</span>
+                        </button>
+                    </div>
+
                     <!-- Banner Section -->
                     <div class="welcome-banners" x-show="banners && banners.length > 0">
                         <template x-for="banner in sortedBanners" :key="banner.id">
@@ -176,6 +195,53 @@
             margin: 1.5rem 0;
         }
 
+        .welcome-actions-footer {
+            max-width: 640px;
+            width: 100%;
+            display: flex;
+            justify-content: flex-start;
+            gap: 0.5rem;
+            margin-top: -0.75rem;
+        }
+
+        .welcome-refresh-button {
+            width: 38px;
+            height: 38px;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            background: transparent;
+            border: 1px solid var(--color-border);
+            border-radius: 10px;
+            color: var(--color-secondary);
+            cursor: pointer;
+            transition: all 0.2s ease;
+        }
+
+        .welcome-refresh-button:hover {
+            border-color: var(--color-primary);
+            background: var(--color-message-bg);
+            color: var(--color-text);
+        }
+
+        .welcome-refresh-button:disabled {
+            opacity: 0.6;
+            cursor: default;
+        }
+
+        .welcome-refresh-button .material-symbols-outlined {
+            font-size: 1.25rem;
+        }
+
+        .welcome-spin {
+            animation: welcome-spin 0.9s linear infinite;
+        }
+
+        @keyframes welcome-spin {
+            from { transform: rotate(0deg); }
+            to { transform: rotate(360deg); }
+        }
+
         .welcome-action-card {
             background: var(--color-panel);
             border: 1px solid var(--color-border);
diff --git a/webui/components/welcome/welcome-store.js b/webui/components/welcome/welcome-store.js
index 7629b584d..003778bea 100644
--- a/webui/components/welcome/welcome-store.js
+++ b/webui/components/welcome/welcome-store.js
@@ -12,6 +12,7 @@ const model = {
   banners: [],
   bannersLoading: false,
   lastBannerRefresh: 0,
+  hasDismissedBanners: false,
 
   init() {
     // Initialize visibility based on current context
@@ -107,9 +108,9 @@ const model = {
   },
 
   // Refresh banners: frontend checks → backend checks → merge
-  async refreshBanners() {
+  async refreshBanners(force = false) {
     const now = Date.now();
-    if (now - this.lastBannerRefresh < 1000) return;
+    if (!force && now - this.lastBannerRefresh < 1000) return;
     this.lastBannerRefresh = now;
     this.bannersLoading = true;
     
@@ -117,10 +118,20 @@ const model = {
       const frontendContext = this.buildFrontendContext();
       const frontendBanners = this.runFrontendBannerChecks();
       const backendBanners = await this.runBackendBannerChecks(frontendBanners, frontendContext);
+
+      const dismissed = this.getDismissedBannerIds();
+      const loadIds = new Set(
+        [...frontendBanners, ...backendBanners]
+          .filter(b => b?.id && b.dismissible !== false)
+          .map(b => b.id)
+      );
+      this.hasDismissedBanners = Array.from(loadIds).some(id => dismissed.has(id));
+
       this.banners = this.mergeBanners(frontendBanners, backendBanners);
     } catch (error) {
       console.error("Failed to refresh banners:", error);
       this.banners = this.runFrontendBannerChecks();
+      this.hasDismissedBanners = false;
     } finally {
       this.bannersLoading = false;
     }
@@ -151,6 +162,15 @@ const model = {
       dismissed.push(bannerId);
       storage.setItem('dismissed_banners', JSON.stringify(dismissed));
     }
+
+    this.hasDismissedBanners = this.getDismissedBannerIds().size > 0;
+  },
+
+  undismissBanners() {
+    localStorage.removeItem("dismissed_banners");
+    sessionStorage.removeItem("dismissed_banners");
+    this.hasDismissedBanners = false;
+    this.refreshBanners(true);
   },
 
   getBannerClass(type) {