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Ask the repair service if they offer any sort of guarantee on their work. Most reputable companies will at least offer a 30 to 90 day service guarantee depending on the problem being fixed. If you find that, the company is unwilling to guarantee their work, consider moving along to the next repair center that does.

Make sure to see any credentials and certification that the technicians who is repairing your PC may have. This is very important, as you do not want a self-proclaimed computer guru meddling with the most sensitive inner workings of your hard drive.

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