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Computer vendor not honoring warranty. What's the next step?
Give him a second chance to fix it.  Some computer problems are hard to nail down.  THIS:  So you're a tech.  It's common to work a problem, do procedure A and B   that should've fixed it, test repeatedly to make sure it's fixed, and   hand it back to the customer... and then the customer, under his   operating conditions, has it fail again.  If it comes back to you, you have the foreknowledge that A and B   didn't work.  And you immediately try C and get it fixed.   This   knowledge does not magically transfer to other shops.   So the user goes into Yelp Mode and storms off angry to another shop... they   blindly try A and B again, burn in, send him home, it fails again,   user's even madder.  This is how computers DON'T get fixed. 5% discount for cash is reasonable. If you want to know why that's normal, sign up for Square.  Credit cards and checks have a significant overhead, including the risk of bounces and chargebacks, and that adds up to about 5%.  Only a few businesses actively solicit it, but many family-owned businesses would accept it if you offered.  So firstoff, does the shop give you a creep factor other than your feelings about him not fixing it the first time?  If so, cut your losses and bolt. You will definitely need to pay cash to have this fixed properly.  Otherwise take it back to him and give him a chance to fix it properly. Having dealt with a lot of customers, what you say sounds an awful lot like "problem so minor I was able to use it for 9 months before bothering to get it fixed which I'm only doing because the warranty is ending", and therefore, "I am resentful about having to give it up for an extended period of time to have it fixed because the problem Just Isn't That Important".  If that's true, you're in a values conflict and you might just be better off recognizing that.  Cheap PCs are cheap.  But the vast majority of niggling PC problems are not in fact hardware problems, they are just MS-Windows being MS-Windows.