HP Pavilion Dv4 2100 Entertainment Notebook Pc Series Manual
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7–6 Maintenance and Service Guide Backup and recovery Recovering from the recovery discs To restore the system from the recovery discs: 1. Back up all personal files. 2. Insert the first recovery disc into the optical drive and restart the computer. 3. Follow the on-screen instructions. Recovering from the dedicated recovery partition (select models only) ✎Computers with an SSD might not have a recovery partition. If the computer does not have a recovery partition, you are not able to recover using this procedure. Recovery discs are included for computers that do not have a partition. Use these discs to recover your operating system and software. On some models, a recovery can be performed from the partition on the hard drive, accessed by pressing either the Start button or the f11 key. This restores the computer to its factory condition. To restore the system from the partition: 1. Access Recovery Manager by either: ❏Selecting Start > All Programs > Recovery Manager > Recovery Manager. – or – ❏Turning on or restarting the computer, and then pressing the esc key when the Press the ESC key for Startup Menu message appears at the bottom of the screen. Then, press the f11 key when the Press for recovery message appears on the screen. 2. Click System Recovery in the Recovery Manager window. 3. Follow the on-screen instructions.
Maintenance and Service Guide8–1 8 Connector pin assignments Audio-in (microphone) PinSignal 1Audio signal in 2Audio signal in 3Ground PinSignal 1Audio out, left channel 2Audio out, right channel 3Ground
8–2Maintenance and Service Guide Connector pin assignments External monitor PinSignal 1Red analog 2Green analog 3Blue analog 4Not connected 5Ground 6Ground analog 7Ground analog 8Ground analog 9+5 VDC 10Ground 11Monitor detect 12DDC 2B data 13Horizontal sync 14Vertical sync 15DDC 2B clock
Connector pin assignments Maintenance and Service Guide8–3 HDMI PinSignal 1Transition minimized differential signal (TDMS) data 2+ 2TDMS data 2 shield 3TDMS data 2- 4TDMS data 1+ 5TDMS data 1 shield 6TDMS data 1 shield 7TDMS data 0+ 8TDMS data 0 shield 9TDMS data 0- 10TDMS clock + 11TDMS data clock shield 12TDMS data clock- 13Consumer electronics control 14Not connected 15Display data channel (DDC) clock 16DDC data 17Ground 18+5V Power 19Hot plug detect
8–4Maintenance and Service Guide Connector pin assignments RJ-11 (modem) (select models only) PinSignal 1Unused 2Tip 3Ring 4Unused 5Unused 6Unused
Connector pin assignments Maintenance and Service Guide8–5 RJ-45 (network) PinSignal 1Transmit + 2Transmit - 3Receive + 4Unused 5Unused 6Receive - 7Unused 8Unused
8–6Maintenance and Service Guide Connector pin assignments Universal Serial Bus PinSignal 1+5 VDC 2Data 3Data + 4Ground
Maintenance and Service Guide9–1 9 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased. Power cord sets for use in other countries and regions must meet the requirements of the country or region where the computer is used. Requirements for all countries and regions The requirements listed below are applicable to all countries and regions: ■The length of the power cord set must be at least 1.5 m (5.0 ft) and no more than 2.0 m (6.5 ft). ■All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used. ■The power cord sets must have a minimum current capacity of 10 amps and a nominal voltage rating of 125 or 250 V AC, as required by the power system of each country or region. ■The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer.
9–2Maintenance and Service Guide Power cord set requirements Requirements for specific countries and regions Country/region Accredited agencyApplicable note number Australia EANSW1 Austria OVE 1 Belgium CEBC 1 Canada CSA2 Denmark DEMKO1 Finland FIMKO1 France UTE 1 Germany VDE1 Italy IMQ 1 Japan METI 3 The Netherlands KEMA 1 Norway NEMKO1 The Peoples Republic of China CCC5 South KoreaEK4 Sweden SEMKO1 Switzerland SEV1 Ta i w a n BSMI 4 The United Kingdom BSI 1 The United States UL2 1. The flexible cord must be Type HO5VV-F, 3-conductor, 1.0-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 2. The flexible cord must be Type SPT-3 or equivalent, No. 18 AWG, 3-conductor. The wall plug must be a two-pole grounding type with a NEMA 5-15P (15 A, 125 V) or NEMA 6-15P (15 A, 250 V) configuration. 3. The appliance coupler, flexible cord, and wall plug must bear a “T” mark and registration number in accordance with the Japanese Dentori Law. The flexible cord must be Type VCT or VCTF, 3-conductor, 1.00-mm² conductor size. The wall plug must be a two-pole grounding type with a Japanese Industrial Standard C8303 (7 A, 125 V) configuration. 4. The flexible cord must be Type RVV, 3-conductor, 0.75-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 5. The flexible cord must be Type VCTF, 3-conductor, 0.75-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used.
Maintenance and Service Guide10–1 10 Recycling Battery When the battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for computer battery disposal. Display ÅWARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. ÄCAUTION: The procedures in this chapter can result in damage to display components. The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight. When removing these components, handle them carefully. ✎Materials Disposal. This HP product contains mercury in the backlight in the display assembly that might require special handling at end-of-life. Disposal of mercury might be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities, or see the Electronic Industries Alliance (EIA) website at http://www.eiae.org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight 1 and the liquid crystal display (LCD) panel 2. ✎The procedures provided in this chapter are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another.