What types of computer repair services do you offer, and do you specialize in any particular brands or issues?
How do you diagnose computer problems, and do you provide an estimate before starting the repair?
What are your average turnaround times for common repairs, such as screen replacements or hard drive failures?
Do you offer any warranties or guarantees on your repair work, and what do they cover?
Are there any preventive maintenance tips or services you recommend to keep my computer running smoothly after repair?