Dell Precision 5820 و7820: استبدل اللوحة الأم

How to replace the motherboard. The Dell Quick Resource Locator (QRL) provides immediate access to extensive system information, troubleshooting, documents, and detailed how-to videos using a smartphone and a model specific QR code found on QRL supported Dell Products. To see more, visit www.Dell.com/QRL/ Before You Begin: Power off syste& unplug. Always wear ESD protectiowhen working inside the system. For more assistance, visiDell.com/Support