MISC USB flash drive stand alone testing software
Ultimate Boot CD:http://www.ultimatebootcd.com/index.htmlUltimate Boot CD is completely free for the download, or could be obtained for a small fee. If ...
Refurb / Windows Laptops/Netbook related Dell laptops' backup, recovery and diagnostic
For Dell's laptops, power on the unit, then press F12 to bring the boot menu for Recovery and diagnostic.http://www.dell.com/support/contents/us/en/19/article/Product-Support/Self-support-Knowledgebase/software-and-downloads/dell-backup-solutions/Dell-Backup-and-Recovery ...
Refurb / Windows Laptops/Netbook related Lenovo laptop one key rest to factory default
Just press the "NOVO button", the upside down U. No need to press the power button.https://support.lenovo.com/ca/en/solutions/ht503785 ...
Refurb / Apple products related / Apple Laptops' Diagnostic techniques, tips, howto Apple laptops' / macOS manual hardware test howto: keyboard, sound, scree
Keyboard test: Open and use the Keyboard Viewerhttps://support.apple.com/kb/PH25242?locale=en_US1. Click the Input menu in the menu bar, then choose Show Keyboard ...
Refurb / Apple products related How to create MacOS installation USB disk.
Use a working MacOS system, download "Disk Drill" from internet and install it. Download MacOS installation application from apple's APP ...