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.
1 Open the Start Menu and click Computer. 2  Right-click the drive you want to perform a check disk on and select Properties. 3  Click the Tools tab in the drive Properties window. 4  Click Check Now under error checking. Right-click the drive you want to perform a check disk on and select Properties. 2  Click the Tools tab in the drive Properties window. 3  Click Check Now under error checking. 4  To perform a complete check of your hard drive for errors check off both options in the check disk window that pops up.