Why is there a black bar on the bottom of my computer screen?
Moving, minimizing or switching application makes the bar go away. going back to the original application where it happened continues to display the black bar. A reboot fixes the issue until it happens again. Device drivers have been updated and windows 10 is up to date.
What causes a rotor bar to go out of balance?
These shorted laminations cause localized hot spots which cause uneven heating of the rotor. This causes the rotor to bow and go out of balance. This localized heating can also cause stress to the bars and premature bar cracking and fatigue.
What to do if you have black bar on Chrome?
Even with that pointer, the people on Google’s help forum appear to be well and truly flummoxed. Several solutions including turning off hardware acceleration, running Chrome cleanup, reinstalling Chrome and creating a new user have been suggested with mixed results. But there does seem to be one solution that works for everybody…
How can you tell if a rotor bar is cracked?
This test is the most accurate and reliable. VIBRATION SPECTRUM ANALYSIS – This test can detect cracked or loose bars while under load. Under load, the vibration will modulate at a rate equal to the number of poles times slip frequency. With a broken rotor bar, the amplitude of the beat increases with load.
Why does Chrome have a black bar at the top of the screen?
I have been getting this issue on a few users PC’s over the past few month, normally a reboot sorts it but I would like to know what a ‘proper’ fix is. It happens in Google Chrome more often than File Explorer, and a solid black bar runs across the top of the screen, you can’t click it or interact with it in anyway.
Why do I get a black bar when I open edge?
Both have two monitors. One user sees this issue pretty much as soon as they launch Edge, they haven’t even loaded a page yet. Just the default MSN landing page of Edge. The other usually encounters the issue in the afternoon (although lately, it has started in the morning). I’ve tried all the things listed above.
How does sparking affect brush life of motor?
Sparking increases with current loading and motor speed. Brush life decreases with increased sparking. The condition of the commutator film directly affects friction and erosion and brush life.
Can you use wear indicator brushes on a DC motor?
This means removing the brushes from the center stager set on each stud first. When using wear indicator brushes, be sure that some remain. Usually this is not a problem since the wear indicator brushes are most often the inboard, middle and outboard brushes on the stud.