PC Guides & How-To Articles

A slow computer, an unexpected blue screen, or a cup of coffee landing on the keyboard – most PC problems are not a reason to panic. With the right approach you can reliably narrow them down. On this overview page you will find detailed guides covering typical computer issues, free diagnostic tools, and sensible maintenance.

Diagnose PC problems systematically

Before heading to a repair shop or swapping hardware, run a structured self-diagnosis. Free tools such as CrystalDiskInfo (drive health), MemTest86 (RAM test), Prime95 (CPU stress test), and HWiNFO (sensor monitoring) usually identify the faulty component within 30 to 60 minutes. A step-by-step walkthrough is in the guide to free PC diagnostic tools.

Blue screen, water, heat – the most common emergencies

A Windows blue screen usually points to driver, memory, or storage issues – the displayed stop code is the most important clue. After a liquid spill the most critical step is fully disconnecting power; remove the battery if possible. Heat problems are often caused by dust-clogged fans and aged thermal paste – proper PC cleaning prevents this.

DIY repair vs. calling a pro

Software issues (drivers, Windows updates, virus removal) can mostly be solved with built-in tools. Hardware swaps (RAM, SSD, fans, thermal paste) are doable with patience. As soon as data is at risk – an unrecognized hard drive, clicking noises, a RAID crash, ransomware – stop powering on the device and contact a professional recovery service. See the data recovery hub: all data recovery guides.

Local computer service or on-site emergency help

For fast help directly at the device – be it a house call or a local workshop – browse our directory of verified PC emergency services in 100+ German cities.