Slow respond on cent os web panel

If you have slow respond in cent os web panel, then power off your computer, plug off all power cables and data cables of your hard disk " unplug your hard disk from your computer " plug your hard disk on another computer that has something that can check, defrag, and etc. your hard disk for errors.

For example:

Ubuntu: mount your hard disk on computer that has ubuntu and look what hard disk is it in ubuntu.

fdisk -l

Now if your cent os is ext4, run fsck -f /dev/xxx " xxx are correspond name of your hard disk " it will force your hard disk to be scanned for bad things.

Now if your hard disk has second partition that has windows on it, run gparted, and from there scan it for windows. After that you can uplug again your cent os hard disk and return plug it on the computer that was slow working.