1) Hardware failure: This is quite possible with older computers. An outdated computer cannot meet the RAM, video card, and other resource requirements of new software.
2) Application failure: New software programs run slowly, don't work at all, or may cause the to lock up or reboot.
3) Virus: Viruses can corrupt or delete files, install other programs, or change important settings. Viruses are usually spread through downloads or attachments in emails.
4) Environmental: Dust and dirt can get into fans or vents, causing overheating and damaging the Laptop. for more detail, please click here. vigotest.de
5) Power supply: Power surges and spikes, lightning strikes, and brownouts can damage a computer. If a surge protector is not sufficient for your needs, consider unplugging the computer at night.
6) Power supply: When replacing a computer, an adapter/converter or monitor might not meet the power requirements of your new computer.
7) Electrical system: If your computer is plugged into a wall outlet with a surge protector and the computer still doesn't work, check the surge protector.