Replacing the Hard Disk Drive - hard drive removal | Compaq Presario 2100 | Reference Guide (Page 68)
Boot From Usb on an Old Pc Without Modding the BIOS : 5 Steps - Instructables
How to Boot in Compaq Presario CQ40 | How to Boot in boot menu and bios in compaq cq40 | English - YouTube
HP COMPAQ PRESARIO 2100 Laptop, XP Home & Open DOS Dual Boot, Serial Port, Works $79.00 - PicClick
Update on laptop with missing hard drive. I believe this laptop had 2 HDD slots. Now do I purchase a usb enclosure and plug into my current PC to recover files? Is
Compaq Presario - Wikipedia
Compaq USB 1.0/1.1 PC Laptops & Netbooks for sale | eBay