Category: Blog

Symptom Likely Cause Fix SSD temperature above 80°C during normal use Poor SSD thermal contact with chassis or heat spreader Check M.2 SSD thermal pad contact; add or replace thermal pad SSD temperature high causing write speed throttling SSD power management not limiting write power during idle Enable APST in Lenovo BIOS or Windows NVMe…

HP Pavilion 14 Core Ultra 5 125U Webcam Not Working Fix Webcam not working on the HP Pavilion 14 Core Ultra 5 125U means the built-in camera shows a black screen in Teams or Zoom, does not appear in the app camera selector, or Windows Settings shows no camera device. The HP Pavilion 14 uses…

DELL Inspiron 14 Plus 7440 Core Ultra 7 155H Numpad Missing Fix Numpad missing on the Dell Inspiron 14 Plus 7440 Core Ultra 7 155H refers to the numeric keypad not being available on the keyboard. The Inspiron 14 Plus 7440 uses a 14-inch compact layout keyboard that does not include a dedicated physical numpad…

HP · Pavilion 15 · Core i5-1335U Webcam Not Working Fix Webcam not working on the HP Pavilion 15 Core i5-1335U means the built-in camera does not appear in Device Manager, applications such as Teams, Zoom, or the Windows Camera app show a black screen or error, or Windows reports that no camera was found.…

LENOVO · THINKPAD L14 GEN 5 AMD · RYZEN 7 PRO 8840U Speaker Crackling Fix Speaker crackling on the Lenovo ThinkPad L14 Gen 5 AMD Ryzen 7 Pro 8840U means audio from the built-in speakers has a crackling, popping, or distorted quality during music, video, or voice call playback. The ThinkPad L14 Gen 5 AMD…

Dell XPS 13 9340 — Thunderbolt 4 Not Working Fix Thunderbolt 4 symptoms ⚠ Thunderbolt 4 dock connected to XPS 13 9340 does not appear in Thunderbolt Control Center or does not provide display output, USB passthrough, or network connectivity ⚠ External monitor connected via Thunderbolt 4 cable to USB-C port shows no signal even…

ASUS · Vivobook 15 F1504 · i5-1235U Screen Brightness Not Changing Fix Screen brightness not changing on the ASUS Vivobook 15 F1504 i5-1235U means pressing Fn + F5 (decrease brightness) and Fn + F6 (increase brightness) has no effect, the Windows brightness slider in Action Center shows movement but the screen does not change brightness,…

Symptom Likely Cause Fix Windows shows less RAM than installed (e.g. 8GB instead of 16GB) One RAM stick not seated fully in slot Reseat both SODIMM sticks; check both slot locks click closed System boots with one stick but not two Incompatible RAM speed or one faulty RAM module Test sticks individually; use Lenovo-validated DDR5-4800…

ASUS · Zenbook 14 OLED UX3405 · Core Ultra 9 185H Fan Noise Fix Fan noise on the ASUS Zenbook 14 OLED UX3405 Core Ultra 9 185H means the cooling fan is audibly loud during light tasks like web browsing or document editing where fan noise is not expected, the fan produces a rattling or…

Dell Inspiron 16 5640 — HDMI Output Not Working Fix HDMI symptoms ⚠ External monitor connected via HDMI to the Dell Inspiron 16 5640 shows no signal, even though the monitor works with another device and the HDMI cable is known-good ⚠ HDMI output is detected in Windows Display Settings (shows the external monitor) but…