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ThinkP ad T431s
Not es: Befor e using this information and the pr oduct it suppor ts, ensur e that you r ead and understand the following: • Safety, W arr anty, and Setup Guide • Regulat or y Notice • “Impor tant safety information” on page vi • Appendix D “Notices” on page 149 The Safety, W arr anty, and Setup Guide and the Regulat or y Notice have been uploaded t o the W eb sit e. T o r efer t o them, go t o http://w w w .lenovo.com/ThinkP adUserGuides . First Edition (Mar ch 2013) © Copyright L enovo 2013. L
Contents Read this first . . . . . . . . . . . . . . v Setting up a pr esentation . . . . . . . . . . 32 Impor tant safety information . . . . . . . . . . vi Using audio featur es . . . . . . . . . . . . 32 Conditions that r equir e immediat e action . . vii Using the camer a . . . . . . . . . . . . . 33 Safety guidelines . . . . . . . . . . . . vii Using a media car d . . . . . . . . . . . . . 34 Inser ting a media car d . . . . . . . . . . 34 Chapt er 1. P r oduct over view . . . . . . 1 Remov
Chapt er 6. Replacing devices . . . . . 59 Chapt er 9. P r eventing pr oblems . . 109 S tatic electricity pr evention . . . . . . . . . . 59 Gener al tips for pr eventing pr oblems . . . . . . 109 Disabling the built-in batt er y . . . . . . . . . 59 Making sur e device drivers ar e curr ent . . . . . 110 Installing or r eplacing the SIM car d . . . . . . . 60 T aking car e of your comput er . . . . . . . . . 111 Replacing the base cover assembly . . . . . . 61 Cleaning the cover of your comput
K or ea Class B compliance stat ement . . . . 141 Appendix C. ENERG Y S T AR model Japan VCCI Class B compliance stat ement . . 141 information . . . . . . . . . . . . . 147 Japan compliance stat ement for pr oducts which connect t o the power mains with Appendix D . Notices . . . . . . . . . 149 r at ed curr ent less than or equal t o 20 A per T r ademarks . . . . . . . . . . . . . . . . 150 phase . . . . . . . . . . . . . . . . 141 L enovo pr oduct ser vice information for Appendix E. Restrict
iv User Guide
Read this first Ensur e that you follow the impor tant tips given her e t o get the most use and enjoyment out of your comput er . F ailur e t o do so might lead t o discomfor t or injur y, or cause your comput er t o fail. P r ot ect yourself fr om the heat that your comput er gener at es. When your comput er is turned on or the batt er y is char ging, the base, the palm r est, and some other par ts may become hot. The t emper atur e they r each depends on the amount of syst em activity and the
P r ot ect your comput er and data when moving it. Befor e moving a comput er equipped with a har d disk drive, do one of the following, and ensur e that the power butt on is off or is blinking: • T urn it off. • P ut it in sleep mode. • P ut it in hibernation mode. This will help t o pr event damage t o the comput er , and possible loss of data. Handle your comput er gently . Do not dr op, bump, scr atch, twist, hit, vibr at e, push, or place heav y objects on your comput er , display, or e xt
Conditions that r equir e immediat e action P r oducts can become damaged due t o misuse or neglect. Some pr oduct damage is serious enough that the pr oduct should not be used again until it has been inspect ed and, if necessar y, r epair ed by an authoriz ed ser vicer . As with any electr onic device, pay close att ention t o the pr oduct when it is turned on. On ver y r ar e occasions, you might notice an odor or see a puff of smok e or sparks vent fr om your pr oduct. Or you might hear sound
ensur e that the power is turned off and that the pr oduct is unplugged fr om any power sour ce. If you have any questions or concerns, contact the Cust omer Suppor t Cent er . Although ther e ar e no moving par ts in your comput er aft er the power cor d has been disconnect ed, the following warnings ar e r equir ed for your safety . C A UTION: Hazar dous moving par ts. K eep fingers and other body par ts away . C A UTION: Befor e r eplacing any CRUs, turn off the comput er and wait thr ee t o
T o pr event possible overheating, do not cover the power adapt er with clothing or other objects when the power adapt er is plugged int o an electrical outlet. Ext ension cor ds and r elat ed devices Ensur e that e xt ension cor ds, sur ge pr ot ect ors, unint erruptible power supplies, and power strips that you use ar e r at ed t o handle the electrical r equir ements of the pr oduct. Never overload these devices. If power strips ar e used, the load should not e x ceed the power strip input r
Hazar dous voltage, curr ent, and ener gy levels ar e pr esent inside any component that has this label attached. Ther e ar e no ser viceable par ts inside these components. If you suspect a pr oblem with one of these par ts, contact a ser vice t echnician. Ext ernal devices C A UTION: Do not connect or disconnect any e xt ernal device cables other than USB cable while the comput er power is on; other wise, you might damage your comput er . T o avoid possible damage t o attached devices, wait at
Lithium coin cell batt er y notice D ANGER Danger of e xplosion if batt er y is incorr ectly r eplaced. When r eplacing the lithium coin cell batt er y, use only the same or an equivalent type that is r ecommended by the manufactur er . The batt er y contains lithium and can e xplode if not pr operly used, handled, or disposed of. Do not: • Thr ow or immerse int o wat er • Heat t o mor e than 100°C (212°F) • Repair or disassemble Dispose of the batt er y as r equir ed by local or dinances or r e
F or your safety, always follow these basic pr ecautions with your comput er: • K eep the cover closed whenever the comput er is plugged in. • Regularly inspect the outside of the comput er for dust accumulation. • Remove dust fr om vents and any per for ations in the be z el. Mor e fr equent cleanings might be r equir ed for comput ers in dusty or high-tr affic ar eas. • Do not r estrict or block any ventilation openings. • Do not oper at e your comput er inside furnitur e, as this might incr e
Liquid cr ystal display (L CD) notice C A UTION: The liquid cr ystal display (L CD) is made of glass, and r ough handling or dr opping the comput er can cause the L CD t o br eak. If the L CD br eaks and the int ernal fluid gets int o your eyes or on your hands, immediat ely wash the affect ed ar eas with wat er for at least 15 minut es; if any sympt oms ar e pr esent aft er washing, get medical car e. Using headphones or earphones C A UTION: Ex cessive sound pr essur e fr om earphones and headp
xiv User Guide
Chapt er 1. P r oduct over view This chapt er pr ovides information about the connect or locations, impor tant pr oduct labels, comput er featur es, specifications, oper ating envir onment, and pr einstalled pr ogr ams. This chapt er contains the following t opics: • “L ocating comput er contr ols, connect ors, and indicat ors” on page 1 • “L ocating impor tant pr oduct information” on page 8 • “F eatur es” on page 9 • “Specifications” on page 10 • “Oper ating envir onment” on page 11 • “L enovo
1 C amer a Use the camer a t o tak e pictur es or hold a video confer ence. F or mor e information, see “Using the camer a” on page 33 . 2 Micr ophones The micr ophones captur e sound and voice when used with a pr ogr am capable of handling audio. 3 P ower butt on Use the power butt on t o turn on the comput er . ® ® T o turn off the comput er , use the S tar t menu shutdown option on the Micr osoft W indows 7 oper ating syst em. F or the Micr osoft W indows 8 oper ating syst em, move the cursor
Right-side view Figur e 2. Right-side view 1 Always On USB 3.0 connect or 3 F an louvers 2 Mini DisplayP or t connect or 4 Security k eyhole 1 Always On USB 3.0 connect or By default, the Always On USB 3.0 connect or enables you t o char ge some mobile digital devices and smar tphones when your comput er is in sleep mode. If you want t o char ge these devices when your comput er is in hibernation mode, or turned off, do the following: 1. Connect the comput er t o an ac power supply . 2. Go t o T
Not e: T o ensur e pr oper air flow , do not place any obstacles in fr ont of the fan. 6 Security k eyhole T o pr ot ect your comput er fr om theft, you can pur chase a security cable lock that fits the security k eyhole t o lock the comput er t o a stationar y object. L eft-side view Figur e 3. L eft-side view 1 P ower connect or 5 Media car d r eader slot 2 E thernet connect or 6 Combo audio jack 3 VGA connect or 7 Smar t car d slot (on some models) 4 USB 3.0 connect or 1 P ower connect or Con