When you use NTBackup (Start / Programs / Accessories / System Tools / Backup) and press
Emergency Repair Disk on the Welcome screen, or use the Tools menu to press
Create an Emergency Repair Disk, an ERD is created than contains:
...
When you open the Volume Control tool (SndVol32.exe), some of the controls are cropped.
You can try to reduce the size of the Volume Control window, but if that does NOT
solve your problem, only increasing the screen resolution will help...