If you're not careful when it comes to tinkering with your computer or device, you could end up doing more harm than good. Performing modifications without the proper knowledge can put your system at risk of being damaged, and could even expose it to malicious threats such as viruses, malware and other online dangers. To protect yourself against potential disasters, make sure that if you do attempt any kind of alterations or repairs on your own machine that you know exactly what you are doing! Research the steps needed to complete the task correctly, and if possible get help from a professional who is experienced in this type of work. Doing so will ensure that anything done is done right - and safely - so that there's no need to worry about putting either yourself or your equipment in jeopardy.