Damaged hair can never be fully recovered, especially if it has been bleached or heavily styled for many years, the only way to get really healthy hair is to let it grow out without damaging it further.
CheckDisk, Error Checking, Defrag, MSConfig, Disk Cleanup, Built-in PC Maintenance Tools. Windows comes with some built-in utilities which are essential for maintaining top PC performance. They are CheckDisk or Disk Checking (ChkDsk) in WinXP, Vista and Win7, and Defrag (in all versions of Windows). CheckDisk and ScanDisk can scan your hard drive and repair all kinds of errors, including ones you don't even know you have.
In the Disk Cleanup dialog box, select the checkboxes for the file types you want to delete, tap or click OK, and then tap or click Delete files. If you want to free up even more space on your PC, tap or click More Options and choose from the options: Programs and Features.