Kind of mat to protect yourself from electrical shock. Small conductive fibers to decrease electrostatic discharges. Many customers have rubber floor mats near their machines that contain Handles covered with a soft material that does not insulate you when Use only approved tools and test equipments. Observe the following rules when working on electrical equipments. Do not obstruct fan louvers or cover them with labels or
Fan louvers on the machine help to prevent the overheating of internalĬomponents. Reinstall all covers correctly before returning the machine to the customer. Replace any safety device that is worn or defective. After service, reinstall all safety shields, guards, labels, and ground wires. Wire, attaching springs, using solvents, or working in any other conditions Wear safety glasses when you are hammering, drilling, soldering, cutting. 
Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners forĪttention: Metal objects are good electrical conductors. Nonconductive clip, about 8 centimeters (3 inches) from the end. Insert the ends of your necktie or scarf inside clothing or fasten it with the. Make sure that your sleeves are fastened or rolled up above your Do not wear loose clothing that can be trapped in the moving parts of the. Keep your toolcase away from walk areas so that other people will not trip it. Personnel, while you are servicing the machine. Please remove covers and other parts in a safe place, away from all. Before you start the machine, make sure that other service representativesĪnd the customer are not in a hazardous position. Do not perform any action that causes hazards to the customer, or that makes. Object that weighs more than 16 kg (35 lb) or that you think is too heavy for Lift it by standing or pushing up with your leg muscles this action couldĪvoid the strain from the muscles in your back. Never move suddenly or twist when you attemptĤ. Distribute the weight of the object equally between your feet.ģ. Make sure that you can stand safely without slipping.Ģ. Observe a good housekeeping in the area where the machines are put duringġ. Lenovo Y400/Y500 Hardware Maintenance Manualįollow these rules below to ensure general safety: see “Laser compliance statement” on page 14. see “Safety notices: multilingual translations” on page 7. see “Handling devices that are sensitive to electrostatic discharge” on page 6. see “Safety inspection guide” on page 5. This chapter presents the following safety information that you need to getįamiliar with before you service a Lenovo computer: Under “Safety information” on page 1 and “Important service information” Liteon wb225 bgn bt hmc wlan driver manual#
Use this manual to troubleshoot problems effectively.īefore servicing a Lenovo product, make sure to read all the information This manual is intended only for trained servicers who are familiar with The product-specific section includes service, reference, and product-specific.Information required for servicing computers. The common sections provide general information, guidelines, and safety.The manual is divided into the following sections: Use this manual to troubleshoot problems. This manual contains service and reference information for the following Important information about replacing RoHSĬompliant FRUs. Safety notices: multilingual translations. LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services areĭelivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. Limited and restricted rights to use, reproduction and disclosure. LENOVO products, data, computer software, and services have been developed exclusively at privateĮxpense and are sold to governmental entities as commercial items as defined by 48 C.F.R.
Before using this information and the product it supports, be sure to read the general information
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