You may notice that your computer freezes,crashes starts-up and shut downs are slow , sends error messages,multitasks issues,you will be unable to update your operating software or system,loud system fans, , hard drives being noisy,poor software performance, regular boot errors,corruption between files and programs,changes may occur in the screen or colors flashes,loss of function in the webcam.if you experience any of these signs make shur you take the neccessary precautions by preventing your PC from going bad especially when it comes to your data. make shur you back-up important files regularly to prevent loss.