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my win pc's screen resolution changes every time i reboot

Update the graphics card driver, 2. Check and replace the video cable or port, 3. Ensure that the configuration of multiple monitors or docks is consistent, 4. Turn off the resolution coverage settings of third-party software, 5. Create a new user account or run sfc/scannow to repair the system files; the first step is to update the graphics card driver and ensure that the monitor is correctly identified, and most problems are solved.

Aug 03, 2025 am 05:45 AM

Restart Screen Resolution

How to use a computer as an alarm clock

Usebuilt-inappslikeWindows’Alarms&ClockormacOS’CalendarwithAutomatortosetalarms.2.Preventsleepmodebyadjustingpowersettingssothecomputerstayson.3.Optionally,usethird-partyappslikeAlarmClockHDorWakeUpforenhancedfeatures.4.Ensurereliabilitybytesting

Aug 03, 2025 am 05:37 AM

how to fix win update error 0x80070570 'the file or directory is corrupted and unreadable'

First run Windows Update troubleshooter, 1. Run Windows Update troubleshooter; 2. Execute sfc/scannow to repair system files; 3. Use DISM tools to repair system images; 4. Run chkdsk to check and repair disk errors; 5. Clean up the update cache in the SoftwareDistribution folder; 6. Temporarily close third-party antivirus software; 7. Execute a clean startup to eliminate software conflicts; 8. Finally, you can try to repair and install Windows. In most cases, the 0x80070570 error can be solved in the first few steps, and the problem can be completely solved by repairing the corrupt system or updating the files.

Aug 03, 2025 am 05:10 AM

bug fixes

What to do when the Google Chrome PDF viewer is not working?

EnsurePDFviewingisenabledinChromesettingsbyturningoff"DownloadPDFfilesinsteadofautomaticallyopeningtheminChrome"atchrome://settings/content/pdfDocuments.2.ClearcacheddataviaCtrl Shift Delete,select"Alltime"and"Cachedimagesand

Aug 03, 2025 am 05:01 AM

How to adjust the screen brightness on a computer

Adjustscreenbrightnessusingfunctionkeys(e.g.,Fn F1/F2onWindows,F1/F2onMac)orOSsettings(WindowsSettings>System>DisplayormacOSSystemSettings>Displays).2.Fordesktopsorexternalmonitors,usephysicalbuttonstoaccessthemonitor’son-screendisplay(OSD)a

Aug 03, 2025 am 04:58 AM

How to use a computer to edit a PDF

ChoosetherightPDFeditorbasedonyourneeds:usefreetoolslikePDFescapeforbasicedits,paidsoftwarelikeAdobeAcrobatProforadvancedediting,oronlinetoolslikeSmallpdfforquick,no-installeditingwhileavoidingsensitivedocuments.2.Toedittextandimages,openthePDF,useth

Aug 03, 2025 am 04:42 AM

How to Secure Your Wi-Fi Network from Intruders

Change the default router login credentials and set a strong password; 2. Enable WPA3 or WPA2-AES encryption to protect data; 3. Set independent and complex Wi-Fi passwords; 4. Turn off vulnerable WPS function; 5. Enable isolated guestnetwork for visitors; 6. Regularly update the router firmware to fix vulnerabilities - Complete these six steps to significantly improve home network security, prevent strangers from intrusion, and ensure the security of personal data and smart devices.

Aug 03, 2025 am 04:40 AM

Why is the address bar search (omnibox) not working in Google Chrome?

CheckifthedefaultsearchengineandsyncsettingsarecorrectlyconfiguredinChromeunderSettings→Privacyandsecurity→Searchengine.2.EnsuresearchsuggestionsandautocompleteareenabledinSettings→Privacyandsecurity→Autofillandconfirmpredictionservicesareturnedon.3.

Aug 03, 2025 am 04:34 AM

chrome Address Bar