Power chargers and video adapters Norris Medical Library's loan desk has a selection of power chargers and adapters available for checkout by USC faculty, staff, and students. Items circulate for three hours and can be renewed at the Loan Desk. A $1.00 per hour fee is charged for late returns. The fee for unreturned items is the replacement cost + $10 service charge. Laptop security cable locks Lock anchors are installed on study tables and carrels throughout the Library. Laptop users are encouraged to secure their personal computers with cable locks. Cable locks for securing laptops are available from the Loan Desk. Locks may be borrowed for one day. A $5.00 per day fee is charged for late returns. The charge for unreturned locks is the replacement cost + $10 service fee. To learn how to use a laptop security cable, check out this video tutorial.