External resources — hardware help and tools

25 vendor portals, diagnostic tools, and communities for hardware problems.

32 views

May 29, 2026

Mac won't start up — Safe Mode and Recovery

When your Mac is unresponsive, three boot modes can rescue it.

35 views

May 29, 2026

Docking station — multiple monitors and peripherals not working

When your dock works sometimes but not others. Usually firmware, power, or cable.

26 views

May 29, 2026

ThinkPad diagnostics — Lenovo Vantage and the F10 menu

Lenovo's built-in diagnostic tools, plus how to read the results.

24 views

May 29, 2026

HP laptop diagnostics — UEFI built-in tests

HP's pre-boot diagnostic tool, plus how to read its failure IDs.

45 views

May 29, 2026

Dell laptop diagnostics — the F12 menu

Dell laptops have built-in diagnostics. Here's how to run them before raising a ticket.

27 views

May 29, 2026

USB device not recognized

Plug it in, nothing happens. Five quick checks before declaring it broken.

18 views

May 29, 2026

Webcam or microphone not working in calls

No camera, no audio, or others can't hear you — almost always a permission or selector issue.

19 views

May 29, 2026

Monitor flickering, blank, or wrong colors

Display problems split cleanly between cable, driver, and panel.

17 views

May 29, 2026

Printer not printing

The most common ticket. Walk through this list before raising one.

20 views

May 29, 2026

Trackpad or mouse not working

Erratic cursor, dead trackpad, or jumping clicks — common fixes.

21 views

May 29, 2026

Keyboard keys not working

Stuck or dead keys — software glitches, dust, or a hardware fault. Here's how to tell.

20 views

May 29, 2026

Laptop battery isn't charging

Plugged in, not charging. Three quick checks before a hardware ticket.

21 views

May 29, 2026

External monitor not detected

Plug it in, nothing happens. Usually a cable, a port, or a display setting.

18 views

May 29, 2026

Laptop running slow or overheating

When your laptop is hot and sluggish, the cause is usually something small.

17 views

May 29, 2026

Laptop won't turn on

A dead laptop has a short checklist before it's a hardware problem.

18 views

May 29, 2026