Black Candles are bearish lines in candlestick and candlevolume charts. They signify that the closing is lower than opening for that time period.
CHKDSK, short for Check Disk, is a utility that checks the integrity of the files and file structure of your hard disk. I'll walk you through it. I have disk problems and you said I should run CHKDSK. Great.
Running the disk cleanup utility is a quick way to. clear out unnecessary files. To remove all the changes made to your system, the Windows __ utility returns your computer to the state it was in when it came from the factory.