HP dx2358 Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs,
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- HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 1
service reference guide HP Compaq dx2355 MT/dx2358 MT Business PCs 1st Edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, SATA drives, safety, routine care, connector pin assignments, - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 2
Service Reference Guide HP Compaq dx2355 MT/dx2358 MT Business PCs 1st Edition Document Part Number: 489243-001 March 2008 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 3
of life. Ä CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. Service Reference Guide HP Compaq dx2355 MT/dx2358 MT Business PCs First Edition (March 2008) Document Part Number: 489243-001 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 4
Drivers (Only applicable for Windows OS 1-1 1.2 Converting to NTFS (Associated with Windows OS 1-2 1.2.1 Windows XP Home/XP Professional(Vista downgrade)/ Vista Basic/Vista Business 32 1-2 1.3 HP Drives 4-3 4.4 Drive Capacities 4-3 4.5 SATA BIOS 4-3 Service Reference Guide 489243-001 iii - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 5
the Keyboard 5-6 5.3.4 Cleaning the Monitor 5-6 5.3.5 Cleaning the Mouse 5-6 5.4 Service Considerations 5-7 5.4.1 Tools and Software Requirements 5-7 5.4.2 Screws 5-7 5.4.3 Cables and 13 Battery 6-23 6.13.1 Battery Holder 6-24 6.14 Power Supply 6-25 iv 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 6
A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory Contents Service Reference Guide 489243-001 v - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 7
drivers. The latest support software is also available from the Web site at http://www.hp.com/support. At product launch, Vista capable program is applied for some of satisfied system shipment. (Major consideration of whether applicable is to meet minimum 1GB memory or not.) Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 8
obtain the latest version of these files, in English and selected other languages, in one of these ways: ■ HP web site at www.hp.com ■ Restore Plus! CD, which is supplied with many Compaq models ✎ Additional HP software may be required in certain situations. 1-2 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 9
information needed about the computer system when contacting Customer Support. These tools can also be used to: ■ Change All features identified in this chapter may not be available on all HP products. 2.1 Power-On Self-Test (POST) POST is a series ." Service Reference Guide 489243-001 2-1 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 10
Self-Test (POST). ■ Execute self-tests on a specified IDE (ATA) hard drive (when supported by the drive). 2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning keyboard, you may see a Keyboard Error message-disregard it. 2-2 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 11
changes because the CMOS could become corrupted. It is safe to turn off all power to the computer after you exit the F10 Setup screen. Service Reference Guide 489243-001 2-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 12
view only) Memory Bank 3 (view only) Memory Bank 4 (view only) BIOS Revision (view only) Core Version (view only) Product Name (view only) (view only) ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-4 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 13
) PS/2 Mouse Allow you to Enable/Disable PS/2 mouse: • Disable • Enable • Auto Detect Onboard LAN Allow you to enable/disable onboard LAN: • Enable • Disable ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 489243-001 2-5 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 14
Allows you to specify the USB function: • USB Controller Disable/Enable • USB 2.0 Controller Disable/Enable • USB Legacy Mode Support Disable/Enable ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-6 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 15
Mode Use DMA If Parallel Port Mode is set to ECP or ECP+EPP, allows you to set the ECP Mode Use DMA to 1 or 3. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 489243-001 2-7 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 16
• Switch to Full Speed at (View Only) • Full Speed Temperature Setting Specify the full speed temperature • PWM Ramp Range Specify the PWM ramp temperature range ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-8 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 17
Defaults Allows you to reset Computer Setup to factory defaults. Save Changes Allows you save the changes Discard Changes Allows you discard the changes ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 489243-001 2-9 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 18
://www.hp.com under the Software & Driver Downloads for your specific model. Download the firmware to open a DOS command window. 3. Type N:\folder\BIOS.exe SAVE:ABC001.DAT (where N is the drive to open a DOS command window. 3. Type N:\folder\BIOS.exe LOAD:ABC001.DAT (where N is the drive letter - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 19
PC Deployment section of the Solutions and Services Web site http://h18000.www1.hp. management and troubleshooting, and power management. 3.2 ROM Flash The computer's BIOS is stored the BIOS, you may download the latest BIOS images from the HP driver and support page: http://www.hp.com/support. Ä - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 20
If no bootable device is found, you will be prompted to insert media containing a BIOS image file or BIOS upgrade utility. If the system successfully reprograms the ROM, the system will automatically power click on the Windows Desktop, then choose Properties. 3-2 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 21
support software easier. You can download the software from http://www.hp.com/support. The Web site contains the latest device drivers disregard it. 3. Select Set Supervisor Password and follow the instructions on the screen. 4. Before exiting, click Save and Service Reference Guide 489243-001 3-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 22
keyboard, you may see a Keyboard Error message-disregard it. 3. Select Set User Password and follow the instructions on the screen. 4. Before exiting, click Save and Exit Setup. Entering a User Password To enter . 2. To change the user password, go to step 3. 3-4 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 23
" for information about the alternate delimiter characters. The power-on password and setup password may also be changed using the Security options in Computer Setup. Service Reference Guide 489243-001 3-5 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 24
supply is rated to withstand a power surge of up to 410 volts within minimum 1 seconds without incurring any system downtime or data loss. 3-6 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 25
4 Serial ATA Drive Guidelines and Features ✎ Serial ATA = SATA HP does not support the use of a PATA (IDE) hard drive / optical drive on these models of /s ✎ When attaching the SATA cable to the system board always connect the primary hard drive to SATA 0. Service Reference Guide 489243-001 4-1 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 26
ATA Drive Guidelines and Features 4.2 SATA Hard Drive Cables 4.2.1 SATA Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s P13 V 12 12 V power P14 V12 12 V power P15 V12 12 V power 4-2 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 27
Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction Size Partition 32 GB 2 TB Drive 128 PB 128 PB 4.5 SATA BIOS Windows 2000, XP, Vista, and Linux • SATA Controller1 in Legacy/ 's Secondary Channel Service Reference Guide 489243-001 4-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 28
. Adherence to the procedures and precautions described in this chapter is essential for proper service. Ä CAUTION: When the computer is plugged into an AC power source voltage is or component damage. 5.1 Chassis Designations 5.1.1 Microtower (MT) dx2355 MT Service Reference Guide 489243-001 5-1 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 29
Identifying the Chassis, Routine Care, and Disassembly Preparation dx2358 MT Note: dx2358 MT is only for China Market. 5-2 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 30
touching a sensitive component or assembly. ■ Avoid contact with pins, leads, or circuitry. ■ Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive foam. Service Reference Guide 489243-001 5-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 31
nonconductive materials such as ordinary plastic assembly aids and Styrofoam. ■ Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. 5.2.5 -dissipative table or floor mats with hard tie to ground ■ Field service kits 5-4 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 32
a clean, lint-free cloth. ■ Occasionally clean the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow. Service Reference Guide 489243-001 5-5 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 33
wipe the ball with a clean, dry cloth before reassembly. ■ To clean the mouse body, follow the procedures in Section 5.3.2, "Cleaning the Computer Case." 5-6 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 34
and Software Requirements To service the computer, you need the following: ■ Torx T-15 screwdriver (Compaq screwdriver with bits, during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept Service Reference Guide 489243-001 5-7 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 35
or snagged by parts being removed or replaced. Ä CAUTION: When servicing this computer, ensure that cables are placed in their proper location replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. Å WARNING: This computer contains a - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 36
is in the "Standby," or "Suspend" modes. The power cord should always be disconnected before servicing a unit. 5. Disconnect the power cord from the electrical outlet and then from the computer. using the wrong screw in an application may damage the unit. Service Reference Guide 489243-001 6-1 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 37
back about 10 mm (3/8 inch), then lift it away from and off the unit 2. To replace the access panel, reverse the removal steps. 6-2 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 38
the chassis and rotate the bezel on from left to right 1 so that it snaps in place. * * These apply for selected models and countries only. Service Reference Guide 489243-001 6-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 39
into the two retainer slots on the left side of the front bezel then snap the right side of the blank into place. 6-4 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 40
the socket 2. Begin by installing a module into the socket second nearest the preinstalled module, and install the modules following the numerical order of the sockets. Service Reference Guide 489243-001 6-5 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 41
1 then, slide the slot cover lock up 2 to access the expansion slot cover. To reinstall the slot cover lock, reverse the removal procedure. 6-6 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 42
lock and its retaining screw. 11. Replace the access panel. 12. Connect external cables to the installed card, if needed. Reconfigure the computer, if necessary. Service Reference Guide 489243-001 6-7 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 43
chassis. 6. Pull the slot cover straight up from the socket then away from the inside of the chassis. Removing the Expansion Slot Cover 6-8 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 44
card or cover the open slot (for example, with a metal slot cover or a piece of duct tape) for proper cooling of internal components during operation.) Service Reference Guide 489243-001 6-9 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 45
the rear of the computer must contain either an expansion card or slot cover for proper cooling of internal components during operation. 6-10 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 46
up 2. Ä CAUTION: Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the cable and result in a failed power supply. Service Reference Guide 489243-001 6-11 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 47
supports up to four drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide Plus! CD to load the Compaq factory-installed files. 6.7.1 Locating Drive Positions - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 48
in the drive bay. Slide the drive disk forward and out of the bay. * * These apply for selected models and countries only. Removing the Drives Service Reference Guide 489243-001 6-13 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 49
1, then slide the hard disk drive cage away from the bottom of the chassis 2 as shown below. Releasing the Hard Drive Cage 6-14 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 50
chassis. Removing the Hard Drive Cage 8. Disconnect the power cable 1 and data cable 2 from the back of the hard drive. Disconnecting the Hard Drive Cables Service Reference Guide 489243-001 6-15 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 51
the hard disk drive cage 1, then slide the hard disk drive out of the hard disk drive cage 2. Removing the Hard Drive 10. Remove one guide screws (Floppy Drive only) from the old drive. You will need these screws to install a new drive. Å WARNING: There may be sharp edges on the - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 52
1 that secure the housing to the chassis and then pull the housing 2 away from the chassis. 1 2 1 To install the housing assembly, reverse the removal procedures. Service Reference Guide 489243-001 6-17 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 53
remove the fan. To install the fan, reverse the removal procedures. Note: Similar installtion procedure is lying on SFF for System Fan. 6-18 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 54
them may require replacing the system board. The difference of mounting PCA into chassis between MT and SFF is minor, refer to different shape chassis. Service Reference Guide 489243-001 6-19 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 55
grease provided in the spares kit to the top of the processor and install the heatsink atop the processor. 5. Go to step 7. 6-20 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 56
✎ After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system ROMPaq can be found on the Web at: http:\\h18000.www1.hp.com/support/files. Service Reference Guide 489243-001 6-21 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 57
board in the computer may look slightly different from the one shown here. To install the system board, reverse the removal procedure. 6-22 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 58
HP/Compaq spare designated for this product. Ä CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting Guide board. Service Reference Guide 489243-001 6-23 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 59
to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 6-24 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 60
the power supply toward the front of the computer 4, then lift it out of the computer. To install the power supply, reverse the removal procedure. Service Reference Guide 489243-001 6-25 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 61
. Some of these connectors may not be used on the product being serviced. Enhanced Keyboard Connector and Icon Pin Signal 1 Data 2 Unused 3 2 (-) Transmit Data 3 (+) Receive Data 4 Unused 5 Unused 6 (-) Receive Data 7 Unused 8 Unused Service Reference Guide 489243-001 A-1 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 62
6 9 Data Bit 7 10 Acknowledge 11 Busy 12 Paper End Pin 13 14 15 16 17 18-25 Signal Select Auto Linefeed Error Initialize Printer Select IN Signal Ground Serial Interface, Powered and 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio Power Ground A-2 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 63
8 Ground 9 +5V DC (fused) 10 Ground Pin Signal 11 Not used 12 DDC Serial Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Serial Clock Service Reference Guide 489243-001 A-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 64
16 PSON 17 GND 18 GND 19 GND 20 NI Pin Signal 1 GND 2 GND 3 +12 V 4 +12 V Pin Signal 21 +5 V 22 +5 V 23 +5 V 24 GND A-4 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 65
computer. For more information on power cord set requirements, contact your authorized HP dealer, reseller, or service provider. General Requirements The requirements listed below are applicable to all countries: mating with appliance inlet on the Switch Box. Service Reference Guide 489243-001 B-1 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 66
step at a time and continue only if the action does not cure the problem. POST Error Messages Screen Message BIOS ROM checksum error - System halted CMOS battery failed CMOS checksum error Defaults loaded CPU Hard Drive selection in Setup is set to NONE. Service Reference Guide 489243-001 C-1 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 67
the current CMOS configuration, the BIOS can override the current configuration with a set of BIOS defaults designed for the most stable the error halt condition in Setup to HALT ON ALL, BUT KEYBOARD. The BIOS then ignores the missing keyboard during POST. No action request Reseat memory modules - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 68
Cause Error: Non-System disk or disk error Replace and press any key when ready The BIOS was unable to find a suitable boot device. For Argali, this may mean an uninitialized or is properly attached. 5. Contact an authorized reseller or service provider. Service Reference Guide 489243-001 C-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 69
printer drivers been installed for each application? ■ Remove all diskettes from the diskette drives before you turn on the system. ■ Are all switches set correctly? ■ Is the NIC Remote Wakeup cable (featured on some models) connected between the NIC and the riser/system board? Service Reference - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 70
and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact your HP authorized reseller or service provider. Problem Cause Solution Computer will not turn on. Cables to the external power source are unplugged. Ensure that cables connecting - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 71
Troubleshooting Without Diagnostics Problem Cause Solution Computer RTC date and time). If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Library CD for instructions on installing a new battery. Add more memory. Service Reference Guide 489243-001 D-3 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 72
Troubleshooting Without Diagnostics Problem Cause Solution Some software applications, especially games, are stressful on the graphics subsystem. 1. Lower the and the computer is and Audible Codes" to interpret the flashing a code. error code. D-4 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 73
Troubleshooting Without Diagnostics Solving Hardware Installation Problems You Vista, use the Add Hardware Wizard and follow the instructions that appear on the screen. Problem A new device is not recognized as part of the issue, contact Customer Support. Service Reference Guide 489243-001 D-5 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 74
Troubleshooting Without Diagnostics Interpreting Diagnostic Lights and Audible Codes This section covers the front panel LED codes as well as the order in which they should be performed. ✎ Replace the system board or power supply only as the last resort. D-6 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 75
Solving Display Problems Troubleshooting Without Diagnostics Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections are not correct and select the Settings tab. 4. Use the sliding control to reset the resolution. Service Reference Guide 489243-001 D-7 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 76
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause 2 short beeps or flashes. If the graphics controller was upgraded, the correct video drivers may not be loaded. Monitor is not capable of displaying requested resolution D-8 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 77
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem The font you are using does not support that particular symbol. Solution Lower brightness monitor's on-screen display menu. 2. Manually synchronize the Clock and Clock Phase on- Service Reference Guide 489243-001 D-9 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 78
Troubleshooting Without Diagnostics Solving Audio Problems Solving Audio Problems Problem Cause Solution Sound does not come out of the speaker or headphones. Software volume control Otherwise, the computer will shut down and you will lose your data. D-10 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 79
Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Cause properly engage the autosense feature or use the multimedia device properties to manually switch the audio signal from analog to digital. 2. If the a compressed format. Service Reference Guide 489243-001 D-11 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 80
Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Cause Printer will not print. Printer is not turned on and online. The correct printer driver for the application are not installed. Printer will not turn on. Printer prints garbled information. - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 81
Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Cause Solution Keyboard commands and typing are not recognized by the computer. Keyboard ball cover from the bottom of the mouse and clean it. Service Reference Guide 489243-001 D-13 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 82
Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Cause Wake-on-LAN feature is not functioning. Wake-on-LAN is not enabled. Network driver Network driver is drivers. - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 83
Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Diagnostics passes, but the computer does not communicate with , and that the Remote System Installation Server contains the NIC drivers for your NIC. Flash the ROM. Service Reference Guide 489243-001 D-15 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 84
Troubleshooting Without Diagnostics Solving Memory Problems Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system. Solving Memory Problems Problem Cause System will not boot or does not - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 85
hot. Troubleshooting Without Diagnostics Solution 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Service Reference Guide 489243-001 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 86
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem 1. Reconnect power and data cables to the drive. 2. Install correct device driver. See the documentation that came with the DVD drive. Install decoder software -001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 87
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Cause Solving Internet Access Problems Solving Internet Access Problems Problem Cause Unable to connect to the Internet. Internet Service Provider (ISP) Service Reference Guide 489243-001 D-19 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 88
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Internet. (continued) Cable/DSL service is not available or has been interrupted the ISP and launch the desired program. D-20 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 89
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Internet takes too long to download Web sites. 9. If there are further problems, click the Troubleshoot button and follow the on-screen instructions. Service Reference Guide 489243-001 D-21 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 90
Troubleshooting RAM mode (some models only) or normal Suspend mode. Not support wake up by mouse/ keyboard. Should be Press Power button. CPU time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. 2 short beeps and 1 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 91
diskette or CD with a new one. 5 short beeps followed by a three second pause. 5 short BIOS recovery beeps was successful. No action required. 3 short beeps followed by three seconds pause. 3 short BIOS issue beeps Upgrade the BIOS to proper version. Service Reference Guide 489243-001 D-23 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 92
Troubleshooting Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes added, remove it to see if the problem remains. 4. Clear CMOS. 5. If the message disappears, there may be a problem with the expansion card. 6. Replace the system board. D-24 489243-001 Service Reference Guide - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 93
See the documentation included with the Restore Plus! CD for complete instructions on using this feature. ✎ In the event that you lose power during the initial operating system installation process, use the Restore Plus! CD to install the operating system. Service Reference Guide 489243-001 D-25 - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 94
Troubleshooting Without Diagnostics Contacting Customer Support For help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you, visit www.hp.com. ✎ If you take the computer to an authorized reseller, dealer, or service provider for service, remember to - HP dx2358 | Service Reference Guide: HP Compaq dx2355 MT/dx2358 MT Business PCs, - Page 95
computer supports: ■ 512Mbit, 1Gbit and 2Gbit non-ECC memory technologies ■ single-sided and double-sided DIMMS ■ DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported ✎ The system will not start if you install unsupported DIMMs. Service Reference Guide
service reference guide
HP Compaq dx2355 MT/dx2358 MT
Business PCs
1st Edition
This document provides information on the removal and replacement of all
parts as well as information on troubleshooting, Desktop Management, setup
utilities, SATA
drives, safety, routine care, connector pin assignments, POST
error messages, and diagnostic indicator lights.
Document Part Number 489243-001