Many PC problems announce themselves long beforehand, you just have to know what to look for. Here are five typical warning signs you should not ignore, each with a short self-test guide and an assessment of when a check-up becomes urgent.
1. The computer takes forever to start
If your PC used to be ready in 30 seconds and now takes several minutes, something is wrong. Common causes are too many autostart programs, an almost full hard drive or a drive that has aged. Especially with classic HDDs a switch to an SSD can work wonders: start times of under 15 seconds are not uncommon.
How to check it yourself: in Windows open the Task Manager (Ctrl+Shift+Esc) and switch to the "Startup" tab. Programs with high impact ("High") can be disabled there with a right-click without uninstalling them. Also check the free storage space in Explorer: below 10–15% free space every system becomes noticeably slower because Windows has no room left for temporary files and the page file.
2. Unusual noises
Clicking hard drives, permanently running fans or an unexplained hum point to hardware problems. The clicking of an HDD in particular is a serious warning sign: it can indicate an imminent failure. In that case you should make a backup immediately and have the drive replaced.
How to check it yourself: the S.M.A.R.T. status of the hard drive gives information on its health but cannot be viewed directly with Windows built-in tools without extra software; here a quick look by IT support helps. Permanently running fans at low load, on the other hand, often point to dusty heat sinks: careful cleaning with compressed air (disconnect the device from power first) often already helps.
3. Regular crashes and blue screens
Occasional crashes can happen, but if your PC regularly freezes or shows blue screens, there is a deeper problem. Possible causes range from faulty RAM through outdated drivers to overheating. A systematic check can quickly narrow down the cause.
How to check it yourself: with a blue screen, note the displayed error code (e.g. "MEMORY_MANAGEMENT" or "IRQL_NOT_LESS_OR_EQUAL"), it usually already narrows the cause down considerably. Windows also records every crash in the event log (press Windows key + type "eventvwr"), which helps with diagnosis even when the blue screen itself has already disappeared.
4. Programs respond with a delay
If even simple applications such as the browser or the e-mail program become noticeably slower, it can be due to too little memory, background processes or even malware. A look at the Task Manager often already reveals which program is eating the resources.
How to check it yourself: in the Task Manager under "Processes" sort by CPU, memory and disk usage: processes that permanently sit at the top even though you are not using them right now are a good first starting point. With eight or more open browser tabs, however, high memory use is normal and not a sign of a fault.
5. Error messages pile up
Recurring error messages, whether when opening files, printing or connecting to the network, are a clear sign that your system needs attention. Such problems can often be fixed by updates, reinstallations or a system repair.
How to check it yourself: first check whether pending Windows updates exist (Settings → Windows Update): a surprisingly large part of recurring error messages disappears after that alone. With printer errors, note the exact error message including the error code, that speeds up diagnosis considerably.
How often should a PC check-up take place?
For privately used computers an annual check-up is usually enough, with intensive professional use or older devices (from about five years) a half-yearly rhythm is recommended. If your PC already shows two or more of the above warning signs at the same time, you should not wait for the next planned appointment.
Can I carry out a PC check-up myself?
Simple steps such as cleaning up autostart, Windows updates and disk clean-up you can easily do yourself. For hardware-related topics such as S.M.A.R.T. evaluation, RAM tests or interpreting blue screen error codes, however, a professional diagnosis is worthwhile so that an incipient defect is not noticed only after data loss.
Conclusion
If one or more of these signs apply to your PC, it is time for a professional check-up. The earlier you act, the cheaper and simpler the solution. solutioIT offers quick diagnosis and transparent help, on site or by remote support.