Whenever I turn on my computer, the screen turns blue and then "boot device not found, please install an operating system on your hard disk" shows up. I have tried a memory test and a hard drive check, but it doesn't work. Before this, my computer, which is only a few moths old, has been freezing up, opening random pages on the Internet, the touch screen occasionally stopped working, and it took a long time for things to load. Is this related to the problem I have now? How do I fix these problems? I have already tried rebooting my computer, and t doesn't work.
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