Compaq hp pavilion ze4200 notebook pc User Manual
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Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Notebook has short operating time when on battery. Turn down display brightness. Check timeout settings in Power in Control Panel. Check power management settings in BIOS Setup. Try default settings. Battery gauge might need calibration. Run HP Battery Optimizer from Start menu. Certain applications can cause excess CPU and power usage. (User can get Intel Power Monitor from www.intel.com and monitor CPU load.) When playing DVD movies on battery power, use Power Options in Control Panel to select Portable/Laptop power scheme. When using applications with automatic save feature (such as MS Word), extend save time or disable to reduce hard disk access and power usage. PCMCIA card use can affect battery life. Some PCMCIA cards draw power even while not in use. Heavy modem use can affect battery operating time. Battery. Motherboard. Battery capacity often decreases after a year or more. Turns off immediately after turning on. Battery may be extremely low. Plug in AC adapter or insert charged battery Battery. Does not run on battery; empty battery indication. Check battery and contacts. Try another battery if available. Battery or contacts. Motherboard. Beeps repeatedly. Notebook beeps repeatedly when battery is low. Connect AC adapter or replace battery. Battery. Battery does not charge. Make sure AC adapter has correct power rating. Make sure AC adapter is connected properly and battery installed properly. Check battery contacts. If available, try another battery and AC adapter. Move notebook away from any nearby heat source. Unplug AC adapter and allow battery to cool. Check for blocked air vents. Battery or contacts. AC adapter. Motherboard. Heatsink. Check battery and AC adapter. Check heatsink. 3-8 Troubleshooting and Diagnostics Service Manual
Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments AC adapter does not power notebook. Try another AC adapter, if available. AC adapter. Motherboard. AC adapter cannot be repaired, and must be replaced. Battery indicator is inaccurate. Time Remaining is an estimate based on notebook’s power use at that moment. It therefore depends on current task, and assumes power will be used at that rate until battery runs out. So if notebook is currently using good deal of power (such as when reading CD or DVD), Time Remaining likely shows less time than actually remains. Standby/resume General problems. Close all applications before entering (or allowing notebook to enter) Standby or Hibernation mode. If problem appears after installing new software (including drivers), uninstall that software. Contact software vendor for additional support. Notebook resumes slowly from Standby mode. Notebook can take a minute or longer to resume if network card is installed. Blinking cursor appears while system is loading and checking hardware and network connections. When hardware is reinitialized, Windows desktop appears. Does not suspend to Standby mode as expected. Notebook won’t suspend if connection to another computer is active. If notebook is busy, it normally finishes current operation before suspending. Does not automatically enter Hibernation mode as expected. Make sure hibernate support is enabled in Power in Control Panel. Also, make sure Hibernate timeouts (Power Schemes tab) for AC and battery power are not set to Never. Service Manual 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. Make sure SDRAM modules are installed properly. Adjust display brightness. Press Fn+F5 several times. Try external monitor. Display cable connection. SDRAM modules. CPU module. Display assembly. Motherboard. Check cable connections. Replace SDRAM modules. Make sure CPU module is installed properly, replace CPU module. Check display cable connections, replace display assembly. If external monitor displays no image, replace motherboard. White display. Adjust display brightness. Display assembly. Switchboard PCA. Erratic display. Display cable connection. Switchboard PCA. 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. 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 disk immediately. Was notebook or drive dropped? Hard drive. Check notebook and drive for evidence of customer abuse. Hard disk makes buzzing or whining noise. Back up disk immediately. Check hard disk installation. Check for alternate noise sources, such as PCMCIA drive or fan. Depends on noise source. 3-10 Troubleshooting and Diagnostics Service Manual
Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Files corrupted. Run virus scan program. Check hard disk using Tools tab in disk’s Properties sheet. Test hard disk drive with e-Diagtools diagnostics. Back up files if possible, then use Recovery CDs to reformat hard disk and reinstall factory software. Disk capacity less than normal. Check partitions using Control Panel, Administrative Tools, Computer Management under Storage. Use Recovery CDs to reformat hard disk and reinstall factory software. Hard drive. Disk’s reported capacity is less than actual size Hard disk allocates approximately 20 MB to diagnostic software. This space is unavailable for other uses, and not included in hard disk capacity reported by Windows. Floppy drive General problems. No response from floppy drive. Motherboard. Make sure floppy drive is installed and connected correctly. CD/DVD drive 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 can vary for other media. Cannot read any CD or DVD. Restart notebook. Make sure CD/DVD drive is installed properly. DVD movie stops playing. DVD may be double-sided. Movie may be paused. Press Play button. Check hard disk using Tools tab in disk’s Properties sheet. Floppy drive. Particular CD or DVD not playing properly. CD/DVD drive. Service Manual Troubleshooting and Diagnostics 3-11
Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Region Code error. DVDs contain embedded regional codes that prevent them from playing outside 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). When this limit is reached, last change is hard-coded on DVD drive, and is permanent. Refer to DVD player software help for details. HP warranty does not cover expense of correcting this situation. “System Error: Unable to read drive” message. Make sure disk is clean, undamaged, and inserted correctly. Clean with soft cloth or replace as needed. Wait 5 to 10 seconds after closing tray before pressing Play. CD/DVD drive. Motherboard. Make sure CD/DVD drive is installed properly. No DVD or CD-RW software on notebook. If software was removed, use the 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. Check settings in Control Panel. Keyboard. Motherboard. Try reinserting ribbon cable in connector on motherboard. Embedded numeric keypad does not work. Avoid touching touch pad while booting or resuming. Keyboard. Motherboard. PS/2 keyboard and mouse with Y-adapter do not work. Check devices separately. Y-adapter. Motherboard. Restart notebook. Press Fn+F8 to activate numeric keypad, and Lock key to turn on number lock. PS/2 device. 3-12 Troubleshooting and Diagnostics Service Manual
Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Touch pad General problems. Reset notebook (see page 1-21). Check settings in Control Panel. Make sure touch pad is enabled in Mouse Properties. By default, touch pad is disabled if external PS/2 mouse is connected, Use BIOS Setup to check settings. Avoid touching touch pad while booting or resuming. Top case. Motherboard. Special touch pad features not working. In Mouse Properties, select Synaptics PS/2 TouchPad driver. (Driver is installed from \hp\drivers ouchpad.) Top case. Motherboard. Click button does not work. Top case. Motherboard. Memory Out of memory error. Make sure C drive has adequate free space. Delete temporary and unneeded files. Use memory troubleshooter in Windows Help. Not all third-party memory cards have been tested for use with notebook. SDRAM module. Notebook does not boot after adding SDRAM. Use only DDR-266 SDRAM modules. SDRAM module. Audio No sound audible. Increase sound volume. Check whether sound is enabled (mute button and software controls). Check for sound resource conflicts in Device Manager. Test audio with e-Diagtools diagnostics. Top case. Speaker assembly. Switchboard PCA. Motherboard. Check operation using headphones or external speakers (switchboard PCA). Make sure speaker assembly cable is connected. Sound does not record. Use an external microphone (internal microphone normally not included). Check software controls. Test audio with e-Diagtools diagnostics. Switchboard PCA. Motherboard. Service Manual Troubleshooting and Diagnostics 3-13
Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Serial/Parallel/USB General problems. Check connections. Restart notebook. Use troubleshooters in Windows Help. Check settings in Control Panel. Check port settings in Device Manager. Test ports with e-Diagtools diagnostics. 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. Motherboard. Modem General problems. Check settings in Control Panel. Open hardware Device Manager. If modem is disabled, try to enable. If modem has a conflict, try disabling another device. Use analog telephone line (2, 3, or 4 wires), not PBX or digital line. In a hotel, ask for data line. Try disabling error correction and data compression. Test modem with e-Diagtools diagnostics. Motherboard. 3-14 Troubleshooting and Diagnostics Service Manual
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). If green light next to LAN port does not light, LAN cable may not be connected to network or network may be down. Use networking troubleshooter in Windows Help. Check settings in Control Panel. 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 meters (330 feet). Test LAN with e-Diagtools diagnostics. Motherboard. Infrared General problems. Infrared is disabled and no drivers installed as shipped. (Drivers are included.) Make sure line between 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. Open Hardware Device Manager. Try to enable the infrared port. Remove any PC cards from notebook (possible IRQ conflict). For fast-IrDA, check for DMA conflict with ECP parallel port. Motherboard. Service Manual Troubleshooting and Diagnostics 3-15
Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Wireless General problems. Check TCP/IP setup in Control Panel. Check SSID, channel, and encryption settings. Mini-PCI card. Antenna PCAs. Motherboard. Make sure all cables are properly connected to mini- PCI card and motherboard. Check for damaged coaxial cables or connectors. One-Touch button problems Buttons not working properly. Make sure correct applications are associated with buttons in One-Touch tab of Keyboard in Control Panel. Keyboard cover. Switchboard 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 Panel. PCMCIA General problems. Restart notebook. Try card in another computer. If card requires an IRQ, make sure one is available. In Device Manager, refresh device list and check for conflicts. Download current drivers from card manufacturer’s Web site. PCMCIA socket. Motherboard. Using a flashlight, look for bent pins inside the PCMCIA socket. For model XE4500, if only one slot is affected, replace PCMCIA socket. If both slots are affected, replace motherboard. AC adapter Does not power notebook. Make sure AC adapter has correct power rating. Try another AC adapter, if available. AC adapter. Motherboard. AC adapter cannot be repaired and must be replaced. Motherboard Evidence of spilled liquid. Declared to be caused by customer abuse. Bent or broken connectors, or burnt component. Declared to be caused by customer abuse. Motherboard cracked. Declared to be caused by customer abuse. Miscellaneous Clock loses time Plug in AC adapter for 24 hours to charge CMOS battery. CMOS battery. Motherboard. Charge CMOS battery. Notebook gets abnormally hot. Always set notebook on a flat surface, so air can flow freely around and underneath it Make sure air vents are not blocked. Games and other programs that drive CPU usage toward 100% can contribute. Heatsink. Check heatsink for damage or proper fan operation. Check thermal contact between CPU and heatsink. Replace thermal pad if needed. 3-16 Troubleshooting and Diagnostics Service Manual
Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Notebook pauses or runs sluggishly. May be normal Windows behavior (background processing can affect response time). Certain operations (such as virus scanning or file browsers) can affect performance. Press Ctrl+Alt+Del to see if an application is not responding. Restart notebook. If hard disk has spun down to conserve power, it can take several seconds to spin up (you can hear this). Use Control Panel to modify hard disk power settings. Check for overheating—see previous symptom. If notebook’s hard drive frequently runs (as indicated by hard drive light on front of notebook) while notebook appears to be paused or running slowly, consider installing additional SDRAM. Make sure hard drive has adequate free space. Delete temporary and unneeded files. CPU module. Motherboard. If notebook slows after period of continuous activity, check heatsink—see previous symptom. Notebook still on but stops responding. Press Ctrl+Alt+Del and end any application not responding. Reset notebook (see page 1-21). Accessories Port replicator problems. Check notebook’s power supply. Check settings in BIOS Setup. Port replicator. Motherboard. Port replicator is not repairable, and must be exchanged. Service Manual Troubleshooting and Diagnostics 3-17