Professional technician requested to diagnose and repair a desktop or laptop PC. Please provide an assessment and quote for troubleshooting and resolving current system issues. The scope of work may include: * Hardware diagnostics or component repair * Software troubleshooting, OS errors, or performance optimization * Virus or malware removal * General system maintenance Please specify your hourly rate or flat-fee structure, your availability to perform the work, and whether you offer on-site service or require the device to be dropped off at your location.