HP 7855 - Pavilion - 128 MB RAM User Manual Download

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pavilion home pc

upgrading and servicing

the pc

Summary of Contents for 7855 - Pavilion - 128 MB RAM

Page 1: ...hp pavilion home pc upgrading and servicing the pc ...

Page 2: ...rietary information that is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of HP Hewlett Packard Company Home Products Division P O Box 4010 Cupertino CA 95015 4010 USA Hewlett Packard Company 2000 All rights reserved Hewlett Packard is a registered trademark of Hewlett Packar...

Page 3: ...connect components to the front of the PC flip up the port cover B and plug the cables into the corresponding connectors For more information about these ports see Connecting External Components in the User s Guide Note The power supply is pre set for the country in which you purchased the HP Pavilion If you move to another location please make sure you check the voltage requirements in the countr...

Page 4: ...er les unités de disque cartes d extension et autres composants Si vous ne disposez pas d une station de protection contre les décharges électrostatiques portez un bracelet antistatique relié à une partie métallique de l ordinateur Placez les cartes sur un tapis en mousse conducteur ou dans leur emballage mais ne les posez jamais sur leur emballage Warning Do not operate the system with the cover ...

Page 5: ...s or modems and then disconnect the system power source before performing any of the procedures described in this guide Failure to do so before you open the system or do any procedures can result in personal injury or equipment damage Note Disconnect the modem phone cable before disconnecting the power cord from the system To gain access to the inside of the computer remove the side panel Removing...

Page 6: ...flathead screwdriver These screws do not detach they ll stay on the side panel loosely until you tighten them again 5 Stand behind the computer and place one hand on top of the chassis 6 Grasp the handle A with your other hand and pull the panel towards you until it stops 7 Lift the panel up and out Set the panel aside ...

Page 7: ...he Side Panel on page 3 2 Gently lay the computer on its side 3 To disengage the fan duct B push down on the two tabs C You can push with your fingers or a pen 4 Rotate the fan duct down and out to remove it from the chassis Removing the Drive Cage The HP Pavilion has two drive cages The top cage that holds the CD drive s is stationary The bottom cage holds the diskette and hard drive and is remov...

Page 8: ...om the computer 1 Remove the side panel see Removing the Side Panel on page 3 2 Gently lay the computer on its side 3 Remove the fan duct see Removing the Fan Duct on page 5 4 Remove the power and IDE cables from the back of the diskette and hard drives Make note of each connection before disconnecting the cables 5 Push down on the drive cage release tab D ...

Page 9: ...n unbuffered SDRAM synchronous dynamic random access memory DIMMs and compliant with the Intel PC SDRAM Unbuffered DIMM Specification The HP Pavilion ships with one or more DIMMs but you can replace the existing DIMM s with higher capacity ones Installing a DIMM To install a DIMM 1 Turn off the computer and all peripherals 2 Disconnect the modem phone cable 3 Disconnect the power cord and all othe...

Page 10: ...ny cabling out of the way if necessary 10 Push down on the two retaining clips on the ends of the DIMM socket 11 Holding the new DIMM by its edges only remove it from the antistatic packaging Avoid touching the memory chips or the gold contacts on the DIMM The DIMM has two small notches on the lower edge that fit into raised bumps in the DIMM socket 12 Hold the DIMM in alignment with the socket al...

Page 11: ...onnect the modem phone cable 3 Disconnect the power cord and all other attached cables such as the keyboard mouse and monitor 4 Remove the side panel see Removing the Side Panel on page 3 5 Gently lay the computer on its side 6 Locate the DIMM sockets on the motherboard 7 If necessary to reach the DIMM socket remove the fan duct see Removing the Fan Duct on page 5 8 If necessary to reach the DIMM ...

Page 12: ...vide 2 amps average of 5 V power for each board card in the computer The total 5 V current draw in a fully loaded system one with all add in card slots filled must not exceed the total number of slots multiplied by 2 amps Avertissement Ne surchargez pas l ordinateur en installant des cartes d extension qui consomment beaucoup de courant L ordinateur est conçu pour fournir un courant de 2 ampères e...

Page 13: ...d all other attached cables such as the keyboard mouse and monitor 4 Remove the side panel see Removing the Side Panel on page 3 5 Gently lay the computer on its side 6 To release the add in card bracket A push down on the release mechanism B as you pull the bracket ...

Page 14: ...cket and the far top corner of the card Carefully remove the card by pulling the card straight out of the expansion slot 9 Insert the new card into the slot and push straight down Make sure the card is properly seated 10 To replace the add in card bracket slide the bracket into the hole C and then push down until the bracket clicks into place To reassemble the computer 1 Replace the side panel see...

Page 15: ...ns and recheck all connections including those to the card power supply keyboard and monitor If the problem still exists run the BIOS Setup program and load the default settings and then save and exit See Using the BIOS Setup Program in the User s Guide for more information Adding and Removing Drives You can install a second hard drive into the system or replace the existing hard drive In addition...

Page 16: ...n is attached twist the remaining part of the cable marked Slave on that same IDE ribbon cable and connect it to the secondary hard drive 11 Connect the IDE cable to the motherboard To reassemble the computer 1 Replace the side panel see Replacing the Side Panel on page 23 2 Reconnect the power cord and all other cables 3 Reconnect the modem phone cable 4 Turn on the computer and all peripherals 5...

Page 17: ...f you need to replace the diskette drive you can remove the existing drive and install a new one To ensure that the drive fits properly into the HP Pavilion be sure to purchase the replacement diskette drive from HP Refer to your support path card for the telephone number of the HP Customer Care Center To remove the existing diskette drive 1 Turn off the computer and all peripherals 2 Disconnect t...

Page 18: ...er 1 Replace the drive cage see Replacing the Drive Cage on page 20 2 Reattach the cables to the back of the hard and diskette drives 3 Replace the side panel see Replacing the Side Panel on page 23 4 Reconnect the power cord and all other cables 5 Reconnect the modem phone cable 6 Turn on the computer and all peripherals Replacing an Optical Drive Your computer comes with two optical drives CD RO...

Page 19: ... keyboard mouse and monitor 4 Remove the side panel see Removing the Side Panel on page 3 5 Remove the fan duct see Removing the Fan Duct on page 5 6 Locate the screws B and C on the optical drive 7 If you are removing the bottom optical drive remove the two screws C on the drive and push the drive part way out through the front of the computer Or ...

Page 20: ...in all the way you need room to attach the cables 2 Attach the cables to the back of the optical drive 3 Push the drive s all the way in aligning the screw holes 4 Attach the screws To reassemble the computer 1 Replace the fan duct and side panel see Closing the Computer on page 20 2 Reconnect the power cord and all other cables 3 Reconnect the modem phone cable 4 Turn on the computer and all peri...

Page 21: ...ripherals 2 Disconnect the modem phone cable 3 Disconnect the power cord and all other attached cables such as the keyboard mouse and monitor 4 Remove the side panel see Removing the Side Panel on page 3 5 If necessary to reach the battery remove the drive cage see Removing the Drive Cage on page 5 6 If necessary to reach the battery remove the fan duct see Removing the Fan Duct on page 5 7 If any...

Page 22: ...up program to reset the date and time See Using the BIOS Setup Program in the User s Guide Closing the Computer After you have finished installing memory or drives inserting or replacing add in cards or changing the battery you need to replace the drive cage the fan duct and the side panel Replacing the Drive Cage 1 Holding the drive cage at a 45 degree angle slide the two nubs A on the drive cage...

Page 23: ... Align the track C on the drive cage with the guide D on the stationary drive cage 3 Push the removable drive cage firmly against the stationary cage as you rotate the removable drive down into position ...

Page 24: ...rcefully Note If you are able to remove the drive cage without pressing the release tab you didn t properly align the track with the guide Repeat steps 1 4 above Replacing the Fan Duct 1 Holding the fan duct at a 45 degree angle align the bottom of the duct with the hole on the fan holder ...

Page 25: ...2 Rotate the fan duct into position and make sure it s securely locked Replacing the Side Panel 1 Lay the panel on top of the chassis aligning the notches on the panel with the holes on the chassis ...

Page 26: ...2 Slide the panel forward until it locks in place 3 Tighten the thumb screws on the right side of the back panel ...

Page 27: ...A2 Class B1 Telecom TBR 21 1998 EG201 121 1998 Supplementary Information The product herewith complies with the requirements of the following Directives and carries the CE marking accordingly the EMC Directive 89 336 EEC including 93 68 EEC the Low Voltage Directive 73 23 EEC including 93 68 EEC the R TTE Directive 1999 5 EC 1 The Product was tested in a typical configuration with Hewlett Packard ...

Page 28: ...onnect the equipment into an outlet that is on a circuit different from the receiver n Consult the dealer or an experienced radio TV technician for help Hewlett Packard s system RFI and Radiated Immunity tests were conducted with HP supported peripheral devices and HP shielded cables such as those you receive with your system Changes or modifications not expressly approved by Hewlett Packard could...

Page 29: ...ice can be obtained by calling the HP Customer Care Center at 208 323 4663 United States Statement of Fax Branding The Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device to send any message via telephone fax machine unless it clearly contains a margin at the top or bottom of each transmitted page or on the first page of the transmission th...

Page 30: ...conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request that the user disconnect the equipment Users should ensure for the...

Page 31: ...Causing Equipment Regulations Cet appareil numerique de la classe B respecte toutes les exigences du Reglement sur le materiel brouilleur du Canada Austel Statement Australia Only When setting the number of automatic redials for the modem ensure the following The number of automatic redials that the modem performs should be limited to a maximum of 9 redials plus the original call If the above retr...

Page 32: ... nuisance to other customers The setting and features discussed below influence how your modem reacts with the telephone network If changes from the default values are made then it is possible that unwanted signals or interference may be generated your modem might dial wrong numbers or suffer from a reduced level of performance We strongly recommend that the settings are not changed under any circ...

Page 33: ... they be used with caution to avoid problems when making calls Automatic Answering To conform with Austel and Telecom New Zealand requirements when configuring your modem for auto answering please do not set the SO register to values less than 2 or greater than 10 Note ATSO O will disable auto answering Pre configured software should be checked and changed as necessary These settings ensure n A pe...

Page 34: ...lephones If you find that you regularly experience line noise or other interference when using your modem we suggest disconnecting other telephones from the line Some telephones may place a load across the telephone line when not in use which adversely affects the performance of your modem If disconnecting parallel telephones reduces the interference then it may be necessary to have the telephone ...

Page 35: ...e used to record a live conversation between telephone users If your software supports telephone conversation recording perhaps called Two way Recording then this feature must be disabled in the program configuration EMI Statement European Union Only This is a class B product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate...

Page 36: ...If this modem is to be used with a PBX which returns secondary proceed indication no more than two pauses of four seconds duration each should be inserted between the initial PSTN access digit and the number to be dialed This is to avoid interference to the PTO network If this modem is to be used with a PBX which has extension wiring owned by BT connection of the modem to the PBX can only be carri...

Page 37: ...nnect and for the installation of an appropriate socket Ringer Equivalence Number The ringer equivalence number REN of this modem is 1 REN is a guide to the maximum number of apparatuses that can be simultaneously connected to one telephone line The REN value of each apparatus is added together and should not exceed 4 Unless otherwise marked a telephone can be assumed to have a REN value of 1 Appr...

Page 38: ...l of this modem is INVALIDATED if the apparatus is subject to modification in any material way not authorised by the BABT or if it is used with or connected to external software that has not been formally accepted by BABT Storage of Numbers It is advisable to check the telephone numbers stored in your modem immediately after programming In order to prevent the misdirection of class and network int...

Page 39: ...rk plug your computer into the AC outlet before connecting it to the telephone line Also disconnect the telephone line before unplugging your computer from the AC power outlet Warning Always disconnect the modem cord from the telephone system before installing or removing your computer cover Warning Do not operate the computer with the cover removed Warning The power supply is not user serviceable...

Page 40: ...the shortest path measured along the surface of insulation Avertissement Installez l ordinateur à proximité d une prise c a Le cordon d alimentation c a est le principal dispositif de déconnexion de l ordinateur HP Pavilion et doit toujours être facilement accessible Pour votre sécurité le cordon d alimentation fourni avec votre système possède une prise avec mise à la terre Branchez toujours le c...

Page 41: ...gnes téléphoniques des réseaux et des modems avant d exécuter l une des procédures décrites dans ce chapitre Si vous ne respectez pas ces consignes vous risquez de vous blesser et de causer des dommages matériels Des niveaux de tension dangereux se trouvent à l intérieur du bloc d alimentation et du modem de ce produit Avertissement Ce modem est conçu et approuvé indépendamment de l ordinateur hôt...

Page 42: ...rie desselben Typs oder eines entsprechenden vom Hersteller empfohlenen Typs Befolgen Sie bei der Entsorgung gebrauchter Batterien die Anweisungen des Herstellers Avertissement L ordinateur utilise une pile au lithium de type CR2032 Le remplacement incorrect de la pile peut provoquer une explosion Utilisez uniquement une pile de même type ou de type équivalent Éliminez les piles usées conformément...

Page 43: ...ent L utilisation de commandes réglages ou procédures de performance autres que ceux spécifiés dans le Guide de l utilisateur de l ordinateur HP Pavilion peut entraîner une exposition à des radiations Afin d éviter une exposition directe au rayon laser ne tentez pas d ouvrir le boîtier du lecteur de CD ROM ou DVD TV Antenna Connectors Protection External Television Antenna Grounding If an outside ...

Page 44: ...antenna or cable system This will prevent damage to the product from lightning and power line surges ...

Page 45: ...es or circuits as contact with them could be fatal Avertissement Lorsque vous installez une antenne extérieure vous devez faire attention à ne pas toucher ces lignes et circuits d alimentation tout contact pouvant être mortel Operating Specifications Electrical ratings Models 78XXY XT8ZZ 100 127 V 200 240 V 4 2 A 50 60 Hz Operating temperature 5 to 35 C Storage temperature 40 to 70 C Operating hum...

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