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Use your ruler and measure your button. Then transfer those measurements to your garment. Use chalk to mark the center cut line of your button hole. Mark the end or stop point of the button hole per the measurement. Practice on a scrap of the same fabric before you begin on your garment. Set your machine the satin stitch zig zag at a fairly narrow width. Begin satin on one side of the center line of the mark. Slowly stitch down that side until you get to the end. STOP. Widen your satin stitch to the max. sew about 1/8" and stop with the needle down on the opposite side to your first line of stitching. Turn the fabric, narrow the stitch to match original satin stitch. Sew slowly down the other side of the center mark. STOP, lengthen the stitch, sew 1/8" then do a couple back stitches.
That's one way. Another older way is to sew 2 or tree straight stitch lines around the center line. Remove then use a hand rendered button hole stitch after you cut the hole.
The capacitors at the main power supply regulator board should be checked and replaced. If you are not familiar with electronics, do not attempt to
repair!Whether you sufferfatal electrical shock!
Instead, contact the nearest service center!
The easiest way to do is to go to the Logitech support website here: http://www.logitech.com/en-us/support-downloads
If you know the model number or the product name, simply type that into the search bar. If not then you can go by product type to narrow it down. Once you find the product you're after, on the top right should be a link to download the software you're looking for under the heading "Software Downloads."
After that, just choose your operating system and you should be good to go.
It sounds like your backlighting is working, but the lcd screen itself is not. This problem is usually due to a faulty power supply, but in your case it might have to do with the screen itself and its connection to to the circuit board. To narrow down the possibilities, search the monitor's model number with the symptoms. If the supply is bad, you can replace it yourself or send it to a repair center. Best of luck!
On the monitor itself, I am guessing this is a desktop? There are buttons for adjustment. Look for the menu button around the bezel of the monitor and press it. Scroll through the settings for the default setting and press that. Once the default settings are made for the monitor, then you can go to the graphics settings available through windows to get the resolution straightened out.
There are 2 seperate glass areas on the top, the large one is for when you lift the cover to scan or copy, the little narrow one is when you use the ADF. If there is a dot or a spec on the narrow part, it will leave the streak on the page, Clean the narrow part really well. I use a foaming window cleaner, and a razor blade.
You may also want to check to see if there are any small scratches on that glass. That will cause the same thing to happen.