Possible that PC is hanging up as there is fault on the OS ( operating system) or a virus in the OS. Also it is possible that the back up( CMOS) has low voltage or the memory card is a suspect. In this case you need to check the voltage and also try and swap a memory card. If not the OS is a suspect.
Now before this you can open the internet options in the browser and clean all the cookies, temporary internet files, defragment the drives and RESTORE the PC to an earlier set date.You can use a registry cleaner like Advanced system care. Download from the site and check you system for corrupt files. Also use a good antivirus software which is active to keep your system performing without an attack on the OS. Remove all unnecessary programs installed which you do not use all the time and clean up the drives. This will free up the space and make your system faster.If there is no response but the PC tends to work slower and occasionally hanging when a program is being executed then you might have to install the OS once again. Install the OS and then an antivirus before the drivers of the PC is installed.
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Type Y, and then press ENTER to schedule the disk check, and then restart your computer to start the disk check.
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