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Can You use the buttons? Press the right button with a white bar, just below the screen. This should open the Tools menu. If it does, use Exit and leave AppCenter. If this works, You can test if the touch screen is defect or if AppCenter installation is corrupted. If the screen is ok, reinstall AppCenter.
I suggest try to calibrate the monitor, while calibrating the monitor and it has the white line it could be a hardware problem that the monitor is bad but if you want to make sure try loading to BIOS and see in BIOS if it has the white line, If so, It really means that its really a hardware problem.
Try to connect an external monitor to the laptop. If the white line is on the external monitor as well then you have a bad video chip in the motherboard, but if the line is gone when using a external monitor then it's the LCD and you should have it replaced.
hi
Place the document or image into the scanner for scanning. A scanner with a paper feeder will only receive flat papers and photographs, but a flatbed scanner opens to accommodate books, fabrics and leaves along with flat papers. There is even a attachment for feeding photo slides into flatbed scanners.
Step 2
Start the scanning software. If the scanner does not engage the software automatically, press the "start" or "scan" button, or click the scanner icon on the computer screen to initialize the software.
Step 3
Activate the scan. Click the "file" menu and select "acquire," "import," or another practical choice that applies.
Step 4
Preview the item to be scanned. Most scanners have a preview option. This will show the scan area inside dotted lines. The lines can be moved with the mouse to relocate, enlarge or crop the scanning area.
Step 5
Set the resolution for images by number of dots per inch (dpi). For computer screen viewing, 100 dpi should suffice. Use 200 to 300 dpi for items to be printed.
Step 6
Use the appropriate setting for scanning black and white text. If the scanner does not show a preset for text, use "line art" or "black and white" at 300 dpi. Then use the optical character recognition (OCR) program to convert the image of the text into a file for word processi
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