HP Pavilion Zt1100 Xz200 Service Manual
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Technology Code IC) Troubleshooting and Diagnostics 3-9 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Display Dark display, no light. Make sure notebook is turned on and warmed up. Check power supply. Adjust display brightness. Press Fn+F5 several times. Make sure SDRAM modules are installed properly. Make sure display cables are properly connected. Make sure CPU module is installed properly. Try external monitor. Display cable connection. SDRAM modules. CPU module. Display assembly. Motherboard. Check cable connections. Replace SDRAM modules. Replace CPU module. Replace display assembly. If external monitor displays no image, replace motherboard. W hite display. Adjust display brightness. Display assembly. Erratic display. Display cable connection. Display assembly. Motherboard. Check display cable connection. Bright or missing pixels or lines. See quality statement on page 5-2. Display cable connection. Display assembly. Check display cable connection. See quality statement on page 5-2. Punctured display. Declared to be caused by customer abuse. Vertical crack near center of display. Usually caused by closing display with pencil-sized object on keyboard. Declared to be caused by customer abuse. Scratched display glass. Declared to be caused by customer abuse. Local area of dark or light discoloration visible when display is on. Caused by excessive pressure applied to area on screen. Declared to be caused by customer abuse. External display does not work. Check connections. Press Fn+F5 several times. Try display on another computer. External display. Motherboard. Display difficult to read or part of desktop not visible. Check display resolution (default is 1024 × 768). Use HP Desktop Zoom to adjust size of desktop icons and labels. Cannot switch to TV display by pressing Fn+F5 Fn+F5 switches only between internal LCD and external display connected to VGA port, and will not switch to TV display connected to TV output port.
3-10 Troubleshooting and Diagnostics Technology Code IC) Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments If you cannot change the display resolution or color depth while playing a DVD or a video file in AVI or MPEG format Set display resolution and color depth before starting DVD or video file player. You cannot change these settings once player is started. If a DVD or a video file in AVI or MPEG format doesn’t play with two displays Before starting DVD or video file player, press Fn+F5 to switch to one display. You cannot switch displays once player is started. If using both displays, DVD or video image will not appear on any display set up as “secondary”. Click Start, Control Panel, Appearance and Themes, Display. Click Advanced on Settings tab, then click S3Display tab and change settings. Display problems while using a TV set as a monitor Notebook’s S-video (TV-out) port is optimized for DVD display. Performance may vary when using S-video port for other applications. Before using TV set as monitor, switch notebook’s display resolution to 800 by 600 pixels: 1. Connect video cable from TV set to notebook’s S-video port. 2. Turn on TV. 3. Click Start, Control Panel, Appearance and Themes, Display, Settings, then click Advanced button. 4. On S3Display tab, select TV as Display Device, then click OK. 5. Set screen resolution to 800 by 600 pixels, then click OK. Hard disk Hard disk never spins. Check power source. Remove and reinstall hard drive. Check connector. Hard drive or connector. Motherboard. If drive case is damaged, drive may not operate properly. Hard disk makes clunking or scratching noise. Back up drive immediately. W as notebook or drive dropped? Hard drive. Check notebook and drive for evidence of customer abuse. Hard disk makes buzzing or whining noise. Back up drive immediately. Check hard drive installation. Check for alternate noise sources, such as PCMCIA drive or fan. Depends on source of noise.
Technology Code IC) Troubleshooting and Diagnostics 3-11 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Files are corrupted. Run virus scan program. Check disk using Tools tab in disk’s Properties sheet. Back up files if possible, then use Recovery CDs to reformat hard disk and reinstall factory software. Use suggestions shown at left. Disk capacity is less than normal. Check disk using Tools tab in disk’s Properties sheet. Check partitions using Control Panel, Administrative Tools, Computer Management under Storage. Use Recovery CDs to reformat hard disk and reinstall factory software. Hard drive. Use suggestions shown at left. Disk’s reported capacity is less than actual size Hard disk allocates space to diagnostic software. This space is unavailable for other uses, and not included hard disk capacity reported by W indows. CD/DVD drive Particular CD or DVD not playing properly. Check disk for proper insertion, dirt, or damage. Clean with soft cloth or replace as needed. If CD was created on CD-RW drive, try using HP certified media. Read and write quality may vary for other media. Cannot read any CD or DVD. Restart the notebook. Make sure the CD/DVD drive is inserted properly. CD/DVD drive. DVD movie stops playing. DVD may be double-sided. Movie may be paused. Press Play button. Region Code error. DVDs contain embedded regional codes that prevent them from playing outside the region in which they are sold. This error occurs when trying to play DVD intended for different region. Important: most DVD drives allow region code to be changed only a limited number of times (usually no more than four). W hen this limit is reached, the last change is hard-coded on the DVD drive, and is permanent. Refer to the DVD player software help for details. HP warranty does not cover expense of correcting this situation.
3-12 Troubleshooting and Diagnostics Technology Code IC) Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments “System Error: Unable to read drive” message. Make sure disk is clean, undamaged, and inserted correctly. Clean with soft cloth or replace as needed. W ait 5 to 10 seconds after closing tray before pressing Play. Restart notebook. Make sure CD/DVD drive is installed properly. CD/DVD drive. Motherboard. DVD doesn’t play with two displays Before starting DVD player, press Fn+F5 to switch to one display. You cannot switch displays once DVD player is started. If using both displays, DVD image will not appear on any display set up as “secondary”. Open Display in Control Panel, click Advanced on Settings tab, and change settings. Problems with display resolution or color when playing DVDs Set resolution or color depth before starting DVD player. You cannot change these once DVD player is started. Some combinations of color depth and resolution not supported in DVD playback. If needed, reduce color depth or display resolution. No DVD or CD-RW software on notebook CD/DVD drive module may not have been properly installed first time notebook was booted. Make sure drive is correctly installed, and use Recovery CDs to reinstall factory software. All DVD play is erratic Some DVDs include software called “PC Friendly”. This software can cause errors or erratic play. If needed, uninstall PC Friendly and restart notebook. Keyboard Some or all keys do not work properly. Try reinserting ribbon cable in connector on motherboard. Keyboard. Motherboard. External keyboard does not work. Check connections. External keyboard. Motherboard. Embedded numeric keypad does not work. Press Fn+F8 to activate numeric keypad, and Lock key to turn on number lock. Avoid touching touch pad while booting or resuming. Keyboard. Motherboard.
Technology Code IC) Troubleshooting and Diagnostics 3-13 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Touch pad General problems. Restart notebook. Press and hold power button four seconds to reset notebook. Avoid touching touch pad while booting or resuming. Check settings in Control Panel. Top case. Motherboard. Click button does not work. Top case. Motherboard. Memory Out of memory error. Make sure C drive is not running out of free space. Use memory troubleshooter in W indows Help. Not all third-party memory cards have been tested for use with notebook. Check HP Notebook web site for list of approved memory cards. SDRAM module. Memory doesn’t increase after adding SDRAM Use only PC133 or higher SDRAM modules. SDRAM module. Audio No sound is audible. Increase sound volume. Make sure sound is enabled (software controls). Check for sound resource conflicts in Device Manager. Sound may not operate properly in MS-DOS mode. Check speaker cable connections. Speakers. Motherboard. Check operation using headphones or external speakers. Built-in microphone does not record. Check software controls for recording sound. Make sure display assembly is connected properly. Display assembly. Motherboard. Check operation using external microphone. Feedback from speakers. Reduce sound volume. In Volume Control, click Options, Properties, select Playback, and enable microphone. Then make sure microphone is muted. PC card detection beep at startup is loud and cannot be adjusted. Download latest audio driver from technical support area of HP Notebook web site (see page vi).
3-14 Troubleshooting and Diagnostics Technology Code IC) Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Parallel/USB General problems. Check connections. Restart notebook. Check port settings in Device Manager. Check settings in Control Panel. Use troubleshooters in W indows Help. For USB: contact device vendor and HP Notebook web site (see page vi) for latest USB drivers. For USB: if the device is powered by the USB port, try the other port. Parallel/USB device. Motherboard. Use loop-back connector when testing parallel port— see page 3-24. Does not boot from external USB floppy drive. Make sure floppy disk is bootable. Make sure floppy drive is connected correctly. Use BIOS configuration utility to check boot order. Floppy drive. Motherboard. Modem Modem will not connect at 56K. Verify that host modem supports 56K (V.90) connection speed. Try connecting later in case line quality or other external factor is cause of problem. Modem doesn’t dial or no dial tone. Check all cables and connections. Connect a standard telephone to the phone line and make sure the line is working. Try another telephone line, preferably one used for a fax machine or modem. If you’re in a foreign country, the dial tone may not be recognized by the modem. In Control Panel, disable option that waits for dial tone. Phone message recording services provided by phone companies use “broken dial tone” to indicate waiting message. This can prevent notebook from detecting dial tone. Mini-PCI card. Motherboard.
Technology Code IC) Troubleshooting and Diagnostics 3-15 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Modem will not connect at any speed. Make sure notebook’s modem is properly connected to wall telephone jack. Check cables. Verify settings in Control Panel. Make sure parity, speed, word length, and stop bits match on sending and receiving modems. Restart notebook. Run W indows modem diagnostics or modem troubleshooter in W indows Help. Open Device Manager. If modem is disabled, enable it. If it has a conflict, try disabling another device. Use analog telephone line, not PBX or digital line. In a hotel, ask for data line. Try disabling error correction and data compression. Download latest modem driver from technical support area of HP notebook web site (see page vi). Mini-PCI card. Motherboard. Modem dials incorrectly. Check number you entered, including digits required for outside access or long distance. Check dialing options in Control Panel—look for duplicate digits for outside access or long distance. In foreign country, modem may not recognize dial tone. In Control Panel, disable option that waits for dial tone. Disable call-waiting. Modem seems slow. Check for excess line noise or static (often difficult to eliminate on international calls). Contact telephone company if needed. Disable call-waiting. Eliminate extra connections in the line. If possible, connect directly to wall jack. Try another telephone line, preferably one used for a fax machine or modem. Mini-PCI card.
3-16 Troubleshooting and Diagnostics Technology Code IC) Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Modem isn’t detected. Check modem setup in Control Panel. Check COM port. Open Device Manager. If modem is disabled, enable it. If conflict exists, try disabling another device. If running fax software using fax Class 2, try Class 1. Mini-PCI card. Motherboard. Modem connects, but transferred data is bad. Verify settings in Control Panel. Make sure parity, speed, word length, and stop bits match on sending and receiving modems. Disable error correction and data compression. Mini-PCI card. Modem doesn’t fax. If using fax Class 2 in fax software, try Class 1. Close any other communications programs. If faxing by printing from application, make sure fax printer is selected. Turn off power management features temporarily. General problems. If PC card modem is not working, disable internal modem in Control Panel. Download latest modem driver from technical support area of HP Notebook web site (see page vi). Mini-PCI card. Motherboard. One-Touch button problems Buttons not working properly. Make sure correct applications are associated with buttons in One-Touch tab of Keyboard in Control Panels. Keyboard cover. Keyboard cover PCA. Motherboard. On-screen display does not appear when button is pressed. Make sure Onscreen Display is enabled in One-Touch tab of Keyboard in Control Panels. Printing Printer doesn’t print Make sure printer is on. Make sure printer cable is securely attached at both ends. Make sure cable or cable adapter is appropriate for printer type. Use print troubleshooter in W indows Help. Cable. Motherboard.
Technology Code IC) Troubleshooting and Diagnostics 3-17 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments LAN/Network General problems. Check cables and connections. Try connecting notebook to another network station (if applicable). Try connecting cable to another computer or network station. If green light next to LAN port does not light, LAN cable may not be connected to network or network may be down. Check settings in Device Manager. If network adapter is disabled, enable it. If conflict exists, try disabling another device. Use networking troubleshooter in W indows Help. Make sure LAN cable is Category 3, 4, or 5 for 10Base-T operation, or Category 5 for 100Base-TX operation. Maximum cable length is 100 m (330 ft). Mini-PCI card. Motherboard. Can’t browse My Network Places Check with network administrator to make sure network supports NetBEUI protocol. Use W indows Search to locate computer on network. Can’t log in to Netware servers. If Netware server uses IPX/SPX protocol, may need to force frame type to match server’s frame type. Check with network administrator. Notebook stops responding after booting If using a TCP/IP network with no DHCP server, long delay can occur at startup because DHCP is enabled. Contact network administrator for proper TCP/IP configuration.
3-18 Troubleshooting and Diagnostics Technology Code IC) Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Infrared General problems. Make sure correct drivers are installed. In Device Manager, double-click Infrared devices, then double-click IrDA Fast Infrared Port. On Advanced tab, click Infrared Transceiver A in Property window, then select IBM 31T1100 from pull-down menu. Make sure the line between the two infrared ports is not blocked, ports face each other squarely and are no more than 1 meter apart. Sunlight, heat from nearby equipment, or other sources of infrared radiation can cause transmission errors. Make sure only one application is using infrared port. Remove any PC Cards from notebook (possible IRQ conflict). For fast-IrDA, check for DMA conflict with ECP parallel port. Motherboard. Wireless General problems. Check TCP/IP setup in Control Panel. Check SSID and channel settings: click wireless link icon in taskbar and select Advanced Configuration. Stop USB devices that may perform large data transfers, or adjust application settings to reduce transfer rate. Make sure wireless PCA and antenna are installed properly. Display assembly. W ireless PCA. Antenna. Motherboard. Notebook with Bluetooth won’t enter standby or hibernation. Disable Bluetooth. If Bluetooth device is transmitting, notebook may not be able to enter standby or hibernation.