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Compaq Presario Desktop Products
Upgrading and
Servicing Guide
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The information in this document is subject to change without notice. ® Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. HP shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. HP assumes no responsibility for the use or reliability o
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table of contents safety information.......................................................................... 1 opening and closing the pc............................................................. 1 preparing the pc.......................................................................................1 before opening the pc...............................................................................1 after closing the pc ..............................................................
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iv Upgrading and Servicing Guide
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• Write down and save the system model and serial safety information numbers, all installed options, and other information about the system. It will be easier to This product has not been evaluated for connection to consult this information than to open up and an “IT” power system (an AC distribution system with examine the PC. no direct connection to earth, according to IEC 60950). • Compaq recommends that you use an antistatic wrist strap and a conductive foam pad when working on
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after closing the pc replacing the side panel To avoid injury and equipment damage, always 1 Place the side panel in the proper position on the follow this procedure in this order after closing the PC. chassis and slide it into place. 1 Reconnect the power cord. WARNING: To reduce the risk of electrical shock, fire, or damage to the equipment, do not plug telecommunications or telephone connectors into the network interface card (NIC) (labeled as an Ethernet connector). 2 Rec
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replacing the front panel removing and replacing 1 Align the top of the front panel with the top of the drives chassis front. Your PC has several drives that you can replace or 2 Press the panel onto the chassis at the top and at upgrade. See the preceding topic, “locating each side near the bottom until the panel snaps into components inside the PC“ for drive type and place. location. CAUTION: Back up your personal files on the hard disk drive to an external storage devic
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3 Release the drive from the chassis by lifting the tab (1) on the latch drive bracket, and then sliding (2) the drive partway out of the bay. (The latch drive bracket secures the drives in their respective positions in the chassis.) 4 Disconnect the power cable (1) and data cable (2) from the back of the drive you want to remove, as indicated in the following illustrations. Use a gentle rocking motion. Some units may have a sound cable. If so, disconnect the sound cable (3). dis
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3 Make sure the jumper on the new optical drive or NOTE: An optical drive may include a sound cable. hard drive is in the CS (Cable Select) position. Your Connect this cable also. drive may vary from the illustration. cable select jumper connecting the memory card reader drive cable 4 Install four guide screws on the sides of the new drive (two on each side). The screws help guide the drive into its proper position in the bay. 5 Slide the drive partway into the drive bay, mak
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5 Push down the two retaining clips on the ends of adding memory the memory socket until the memory module pops out of the socket. Your PC comes with random access memory (RAM), which temporarily stores data and instructions on your PC. The PC ships with one or more memory modules, but you can replace the existing memory module(s) with higher-capacity ones. The motherboard contains sockets for DDR DIMMs (double data rate dual in-line memory modules). The exact number of sockets and ty
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2 The memory module can be installed in only one removing an add-in card way. Match the notch on the module with the tab 1 Complete the procedures to prepare the PC and to on the memory socket (B). Push the module remove the side panel. See “opening and closing carefully and firmly into the slot, ensuring that the the pc“ on page 1. latches on both ends snap into place. 2 Gently lay the PC on its side. 3 On the back of the PC, remove the screw from the bracket cover for the add-in car
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6 If you are not replacing the old add-in card with a replacing the battery new add-in card, close the open slot by inserting the metal slot cover into the opened slot. A lithium battery on the motherboard provides backup power for the PC’s timekeeping capability. The battery has an estimated life expectancy of seven years. installing an add-in card When the battery starts to weaken, the date and time 1 Align the edge of the add-in card with the slot on may be incorrect. If the batte
