How to

Get into iCloud without your phone: get a code by text or call, use Find Devices without a code, reset with a recovery contact, or start account recovery.

Run System Diagnostics on Windows 11/10 with perfmon /report, then test RAM, disks and system files with mdsched, chkdsk, DISM and SFC, and read the results.

WhatsApp Web on iPad mini: install the official WhatsApp iPad app, scan its QR code from your phone, or register on the iPad. Requirements and fixes.

Control fan speed on a Windows PC through your maker’s app, BIOS/UEFI fan profiles, or the Windows System cooling policy. Steps for Dell, Lenovo, ASUS and NVIDIA.

Open a PNG file in Windows 11 by double-clicking it in File Explorer to view it in Photos, or right-click and pick Paint. Set defaults and fix PNGs that won’t open.

HDMI port not working in Windows 11? Press Win + P, pick Extend, detect the display, check the cable and input, then update or roll back the graphics driver.

WhatsApp Desktop for macOS 10.15.7 Catalina is not supported. See the macOS version it needs, which Macs can upgrade, and how to use WhatsApp Web instead.

iPhone 17 front camera keeps tracking your face in WhatsApp? Turn off Center Stage from Control Center during the call. Steps, FaceTime and selfie settings too.

Cloudflare PHP2Shell WAF rules are on by default for Free plans; Pro, Business and Enterprise must confirm the Managed Ruleset blocks. Then patch PHP.

PHP2Shell on IIS: replace PHP with the 8.4.27 or 8.5.12 Non Thread Safe build, point the FastCGI handler at php-cgi.exe, restart IIS and verify the version.

PHP2Shell Debian fix: install php8.2 8.2.35-1~deb12u1 on bookworm (DLA-4848-1) or php8.4 8.4.27-1~deb13u1 on trixie (DSA-6574-1) with apt, then verify.

PHP2Shell on Ubuntu 22.04: install php8.1 package 8.1.2-1ubuntu2.28 from USN-8948-1 with apt, restart PHP-FPM or Apache, and confirm the fix is active.