If your laptop is not working properly and you are getting show issues with your laptop. Then you should join the att customer service. The executives will let you know about some essential steps such as- you need to click on the start button. And type disk defragmenter & press the enter on your keyboard for launching the windows defragmenter utility. Choose the laptop’s hard drive. 1-855-436-966 http://att.customer-servicephonenumber.com/
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