Dear service manager,
I'm a Chinese student and now study in the Camdon High School as an exchange student.
I bought a PC a week ago in your shop. But it doesn't work properly at moment. I'd be very grateful if you could help me to fix it. The problem is that the PC always shows "C-drive invalid" as I start the machine. Please let me know if I can follow your instruction by telephone or I send the PC to your shop to repair it.
Many thanks,
Li Hua
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