Computer components decide what a machine can do and whether it is still worth upgrading. Memory, storage, power supply, graphics card and motherboard all affect the whole system.
Below you will find articles about choosing parts, replacing components and finding hardware faults. If you do not know which part is slowing the computer down, start here.
A laptop that does not charge can have a fault in the outlet, adapter, cable, USB-C compatibility, power connector, battery or motherboard power circuit. The same visible symptom does not identify the failed part. Is charging intermittent or completely absent?Send the full laptop model, charger deta...
A component list is compatible only when the processor, motherboard, memory, storage, graphics card, power supply, cooling and case have been checked together. Matching one connector or socket is not enough. Have a component list before ordering?Send the exact model numbers and intended use. We can...
The useful difference between an office PC and a gaming PC is not the label on the case. It is whether the processor, graphics, memory, storage, cooling and connections match the software and displays you actually use. Choosing a computer for mixed work and gaming?List the main applications, games,...
Dust cleaning is useful when airflow is restricted or temperatures and fan noise have changed. It is not needed on a fixed calendar for every computer, and it will not repair a worn fan, failing drive or software load. Has the fan become louder or performance dropped under load?Tell us the model, wh...
Computer maintenance based on symptoms and use Maintenance should respond to the computer’s environment and measured symptoms. Dust cleaning, software work and storage checks solve different problems, so the work is chosen after the cause of noise, heat or instability has been narrowed down. At Bitm...
Desktop Power Supply Replacement A desktop power supply should be replaced carefully. A failing or low-quality PSU can cause random shutdowns, startup problems, burning smells, unstable graphics card behaviour or damage to other components. At Bitmaster in Helsinki, we replace desktop power supplies...
PC Upgrade Problems – Component Installation Help in Helsinki Installing a new PC component can look simple, but problems often start before the part is even fitted. The component may not be compatible, the power supply may be too weak, the case may be too small or the BIOS may not recognise the upg...
When a keyboard stops working, first identify the scope: one key, the complete keyboard, or other input and USB devices as well. This separates a mechanical fault from a connection, setting or wider computer problem. Did the keyboard fail after liquid, impact or an update?Tell us what happened and s...
Is your laptop battery draining fast, not charging properly, or shutting down without warning? At Bitmaster PC Repair, we help customers in Punavuori, Helsinki determine whether a laptop battery replacement is the right solution — and if so, what battery is actually needed.Is the battery worn, or is...
Parts of a Computer – Diagnosis and Upgrade Help in Helsinki A desktop computer is built from several parts that all need to work together. When the computer becomes slow, crashes, does not start or needs an upgrade, the real question is usually not “which part is best” but which part is causing the...
Replace Laptop Keyboard - Repair Help in Helsinki A laptop keyboard can fail because of liquid damage, worn keys, a damaged ribbon cable, dirt under the keys or a fault on the motherboard. Before ordering a replacement keyboard, it is worth checking whether the keyboard itself is the real problem. B...
Replacing a Laptop Hard Drive or SSD Replacing a laptop hard drive is one of the most useful upgrades for an older computer, especially if the original drive is a slow mechanical HDD. In many cases, replacing the drive with an SSD makes the laptop noticeably faster and more reliable. At Bitmaster in...
Right Cable for Computer and Monitor The right display cable depends on the ports in the computer, the monitor and the resolution or refresh rate you want to use. HDMI, DisplayPort, USB-C, DVI and VGA may look like small details, but the wrong cable can limit image quality or prevent the monitor fro...
Thermal paste should be considered when temperatures, cooling contact and the device construction point to it—not because a generic replacement interval has passed. Dust, a worn fan, software load and a damaged heat pipe can produce similar symptoms. Does the computer slow down or shut down under lo...