Practical technology guides: Android and Windows fixes, software worth using, and how the tools actually work.https://9sblog.com/en-USSun, 13 Sep 2026 15:54:52 GMTAstro1440https://9sblog.com/fix-black-screen-after-nvidia-driver-update-windows-11/https://9sblog.com/fix-black-screen-after-nvidia-driver-update-windows-11/Black screen or 'no signal' after an NVIDIA driver update on Windows 11, often on DisplayPort? Boot Safe Mode, clean-install with DDU, apply the hotfix. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/fix-bluetooth-audio-broken-after-windows-11-24h2/https://9sblog.com/fix-bluetooth-audio-broken-after-windows-11-24h2/Bluetooth headphones silent or won't pair since the Windows 11 24H2 update? Install Microsoft's fix, reinstall the Bluetooth and audio drivers, and re-pair. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/fix-intel-arc-flickering-crashing-windows-11/https://9sblog.com/fix-intel-arc-flickering-crashing-windows-11/Intel Arc GPU flickering or crashing in games after a Windows 11 update? Update to the latest Arc WHQL driver and toggle fullscreen mode. Fixes here. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/fix-printer-offline-after-windows-11-24h2-update/https://9sblog.com/fix-printer-offline-after-windows-11-24h2-update/Printer stuck offline since the Windows 11 24H2 update? A driver change (IPP / Protected Print) is usually the cause. Reinstall the right driver — here's how. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/fix-samsung-bluetooth-disconnecting-one-ui-8/https://9sblog.com/fix-samsung-bluetooth-disconnecting-one-ui-8/Bluetooth keeps dropping on your Galaxy since the One UI 8 (Android 16) update? Reset network settings, re-pair, and clear the cache — here's the fix. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/fix-samsung-boot-loop-after-one-ui-8-update/https://9sblog.com/fix-samsung-boot-loop-after-one-ui-8-update/Galaxy stuck restarting on the Samsung logo after the One UI 8 update? Wipe the cache partition in Recovery first, then reflash as a last resort. Steps here. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/fix-status-invalid-image-hash-chrome-edge/https://9sblog.com/fix-status-invalid-image-hash-chrome-edge/Chrome or Edge crashing with STATUS_INVALID_IMAGE_HASH is usually your antivirus injecting an unsigned DLL. Update the AV or whitelist the browser — how-to here. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTSoftwareMarcus Reedhttps://9sblog.com/fix-usb-dac-code-10-no-sound-windows-11/https://9sblog.com/fix-usb-dac-code-10-no-sound-windows-11/A Windows update can break older USB DAC audio with a 'This device cannot start (Code 10)' error. Install the fix update or roll it back — here's how. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/fix-wifi-6-missing-after-windows-11-24h2-intel-ax201/https://9sblog.com/fix-wifi-6-missing-after-windows-11-24h2-intel-ax201/After the Windows 11 24H2 upgrade an Intel AX201 can drop from Wi-Fi 6 to Wi-Fi 5. Clean-install Intel's own driver to get 802.11ax back — full fix here. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/fix-windows-update-error-0x800f0922-windows-11-24h2/https://9sblog.com/fix-windows-update-error-0x800f0922-windows-11-24h2/Windows 11 24H2 failing with 0x800f0922? It's usually a full EFI system partition or corrupt files. Repair the component store or free space — steps here. (2 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-block-someone-on-gmail/https://9sblog.com/how-to-block-someone-on-gmail/Stop a sender's emails in Gmail: open a message, hit the three-dot menu, and Block. Here's how, how to unblock, and how to block a whole domain. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTSoftwareMarcus Reedhttps://9sblog.com/how-to-check-battery-health-on-android/https://9sblog.com/how-to-check-battery-health-on-android/Android now shows battery health on newer phones. Here's where to find it on Pixel and Samsung, what a good number is, and when to replace the battery. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-convert-word-to-pdf/https://9sblog.com/how-to-convert-word-to-pdf/Turn a Word doc into a PDF in a few clicks with Save As, Export, or Print to PDF. Here's how on desktop, the web, and your phone, keeping links intact. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTSoftwareDaniel Millerhttps://9sblog.com/how-to-do-a-vlookup-in-google-sheets/https://9sblog.com/how-to-do-a-vlookup-in-google-sheets/VLOOKUP in Google Sheets, with the exact syntax and a working example. Plus how to pull from another sheet, fix #N/A, and when to use XLOOKUP instead. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTSoftwareDaniel Millerhttps://9sblog.com/how-to-fix-a-blue-screen-on-windows-11/https://9sblog.com/how-to-fix-a-blue-screen-on-windows-11/A blue screen (BSOD) on Windows 11? Note the stop code, undo the recent change from Safe Mode, and repair system files. A step-by-step BSOD fix guide. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-fix-a-frozen-android-phone/https://9sblog.com/how-to-fix-a-frozen-android-phone/Android frozen and won't respond? Force-restart it — hold Power, or Volume Down plus Power on Samsung. Here's how, plus what to do if it keeps freezing. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-open-task-manager-on-windows-11/https://9sblog.com/how-to-open-task-manager-on-windows-11/Five ways to open Task Manager on Windows 11 — Ctrl+Shift+Esc is fastest. Plus how to open it when the screen is frozen or an admin has disabled it. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-transfer-contacts-from-android-to-android/https://9sblog.com/how-to-transfer-contacts-from-android-to-android/Moving to a new Android? Google account sync copies your contacts automatically. Plus a .vcf export, SIM transfer, and Samsung-to-Pixel — the clean way for each. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-uninstall-a-windows-update-on-windows-11/https://9sblog.com/how-to-uninstall-a-windows-update-on-windows-11/A Windows 11 update broke something? Uninstall it from Update history, or from recovery if the PC won't boot. Here's how, and how to stop it reinstalling. (3 min read)Sun, 13 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-change-the-default-browser-on-windows-11/https://9sblog.com/how-to-change-the-default-browser-on-windows-11/Make Chrome, Firefox, or another browser the default on Windows 11. Here's the one-click Set default button, covering PDF and links, and why it reverts. (3 min read)Sat, 12 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-clear-cache-and-cookies-in-edge/https://9sblog.com/how-to-clear-cache-and-cookies-in-edge/Clear cache and cookies in Microsoft Edge to fix slow or broken pages. Here is the exact path, plus how to clear one site or wipe data on every exit. (3 min read)Sat, 12 Sep 2026 00:00:00 GMTSoftwareMarcus Reedhttps://9sblog.com/how-to-fix-microsoft-edge-not-working/https://9sblog.com/how-to-fix-microsoft-edge-not-working/Microsoft Edge won't open, keeps crashing, or shows a blank screen? Close it in Task Manager, update, then repair Edge from Settings. The full fix list. (3 min read)Sat, 12 Sep 2026 00:00:00 GMTSoftwareMarcus Reedhttps://9sblog.com/how-to-fix-no-internet-secured-on-windows-11/https://9sblog.com/how-to-fix-no-internet-secured-on-windows-11/Wi-Fi says 'No Internet, secured' on Windows 11? You're connected but something blocks the internet. Forget the network, reset TCP/IP, and more fixes here. (3 min read)Sat, 12 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-recover-deleted-photos-on-android/https://9sblog.com/how-to-recover-deleted-photos-on-android/Deleted a photo on Android? Restore it from the Google Photos or Samsung Gallery trash within 30 days. Here's how, and what to do once the trash is empty. (3 min read)Sat, 12 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-scan-a-document-with-your-phone/https://9sblog.com/how-to-scan-a-document-with-your-phone/Turn your phone into a scanner: Google Drive's built-in scanner makes a clean PDF in seconds. Here's how on Android and Samsung, plus multi-page scans. (2 min read)Sat, 12 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-turn-off-autocorrect-on-android/https://9sblog.com/how-to-turn-off-autocorrect-on-android/Tired of Android changing your words? Turn off autocorrect in Gboard or Samsung Keyboard. Here's the exact path, plus how to stop it fixing one word. (2 min read)Sat, 12 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-turn-on-dark-mode-on-windows-11/https://9sblog.com/how-to-turn-on-dark-mode-on-windows-11/Switch Windows 11 to dark mode in Settings, Personalization, Colors. Here's the exact path, how to darken only apps or the taskbar, and how to schedule it. (3 min read)Sat, 12 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/android-wont-connect-to-wifi/https://9sblog.com/android-wont-connect-to-wifi/Android won't join your Wi-Fi? Forget the network and rejoin, toggle airplane mode, and check MAC randomization — a fix list from quick to last resort. (3 min read)Fri, 11 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-check-cpu-temperature-on-windows/https://9sblog.com/how-to-check-cpu-temperature-on-windows/Windows 11 doesn't show CPU temperature on its own. Here is how to read it in the BIOS or a free tool, and what counts as a safe temperature. (3 min read)Fri, 11 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-set-up-out-of-office-in-outlook/https://9sblog.com/how-to-set-up-out-of-office-in-outlook/Turn on automatic replies in Outlook for a vacation or a day off. Steps for new and classic Outlook, plus what to do if your account has no Out of Office. (3 min read)Fri, 11 Sep 2026 00:00:00 GMTSoftwareDaniel Millerhttps://9sblog.com/how-to-turn-off-safe-mode-on-android/https://9sblog.com/how-to-turn-off-safe-mode-on-android/Stuck in Safe Mode on Android? Usually a restart clears it. Here is how to exit, and what to do when the phone keeps booting back into Safe Mode. (3 min read)Fri, 11 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/why-does-my-website-say-not-secure/https://9sblog.com/why-does-my-website-say-not-secure/The 'Not secure' warning means your site has no valid HTTPS certificate. Here is what it means, how owners fix it, and what visitors should do about it. (3 min read)Fri, 11 Sep 2026 00:00:00 GMTHostingMarcus Reedhttps://9sblog.com/how-to-fix-high-cpu-usage-on-windows-11/https://9sblog.com/how-to-fix-high-cpu-usage-on-windows-11/Windows 11 CPU stuck near 100%? Find the process in Task Manager, then tame the usual causes — Defender scans, WMI, indexing, and too many startup apps. (3 min read)Thu, 10 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/how-to-password-protect-a-word-document/https://9sblog.com/how-to-password-protect-a-word-document/Lock a Word file so only people with the password can open it. Here is the Encrypt with Password step on Windows and Mac, and how to remove it later. (3 min read)Thu, 10 Sep 2026 00:00:00 GMTSoftwareDaniel Millerhttps://9sblog.com/how-to-take-a-screenshot-on-android/https://9sblog.com/how-to-take-a-screenshot-on-android/Capture your Android screen in a second: press Power and Volume Down together. Plus the Samsung palm swipe, scrolling screenshots, and where they save. (3 min read)Thu, 10 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-turn-off-google-assistant/https://9sblog.com/how-to-turn-off-google-assistant/Google Assistant is being replaced by Gemini in 2026. Here is how to turn off the voice assistant, stop it launching from the power button, and disable it. (3 min read)Thu, 10 Sep 2026 00:00:00 GMTAndroidSofia Martinezhttps://9sblog.com/how-to-unsend-an-email-in-gmail/https://9sblog.com/how-to-unsend-an-email-in-gmail/Sent a Gmail message too soon? Click Undo in the seconds after sending, and set a longer window — up to 30 seconds — so you always get the chance. (3 min read)Thu, 10 Sep 2026 00:00:00 GMTSoftwareMarcus Reedhttps://9sblog.com/how-to-update-google-chrome/https://9sblog.com/how-to-update-google-chrome/Keep Chrome current for speed and security. Here is how to update it on desktop and phone, and how to read the colored Update dot in the menu. (3 min read)Thu, 10 Sep 2026 00:00:00 GMTSoftwareMarcus Reedhttps://9sblog.com/windows-update-stuck-on-windows-11/https://9sblog.com/windows-update-stuck-on-windows-11/A Windows 11 update stuck at a percentage is often still working. Here is how long to wait, then the safe way to reset Windows Update and move on. (3 min read)Thu, 10 Sep 2026 00:00:00 GMTPCDaniel Millerhttps://9sblog.com/android-keyboard-not-working/https://9sblog.com/android-keyboard-not-working/Android keyboard won't show, keeps stopping, or lags? Set the default keyboard, clear its cache, update or reinstall it, and test in Safe Mode. Fixes here. (3 min read)Wed, 09 Sep 2026 00:00:00 GMTAndroidSofia Martinez