Lenovo Safety and Warranty Guide V1.0.0
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... it shall be walked on the computer cover or other circuit boards by the product manufacturer. When you . • Always handle components carefully. Handle adapters, memory modules, and other metal surface. Never touch exposed circuitry. • Prevent others from liquids. This reduces static electricity in ways that are cleaned with liquid...
... it shall be walked on the computer cover or other circuit boards by the product manufacturer. When you . • Always handle components carefully. Handle adapters, memory modules, and other metal surface. Never touch exposed circuitry. • Prevent others from liquids. This reduces static electricity in ways that are cleaned with liquid...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... 36 Identifying parts on the system board 38 Chapter 9. Replacing hardware 41 Removing the computer cover 41 Removing and replacing the front bezel 42 Replacing a memory module 43 Replacing the hard disk drive 45 Replacing an optical drive 46 Replacing a PCIE adapter 47 Replacing the heatsink assembly 48 Replacing the CPU...
... 36 Identifying parts on the system board 38 Chapter 9. Replacing hardware 41 Removing the computer cover 41 Removing and replacing the front bezel 42 Replacing a memory module 43 Replacing the hard disk drive 45 Replacing an optical drive 46 Replacing a PCIE adapter 47 Replacing the heatsink assembly 48 Replacing the CPU...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... legal requirement affecting the global electronics industry. So, if the parts are not required to have RoHS compliant parts. Lenovo plans to transition to http://www.lenovo.com/support. 2. Under Parts information, click Parts lookup. 3. Under Parts lookup, type the model type and serial...Quick Path field; Products on the market after June 2006. hard disk drive, system board, microprocessor, LCD, and memory) •• eSupport can be implemented on Lenovo products placed on the market before the 2 Click Parts information. 2. then click Continue. then click Go. 3. ...
... legal requirement affecting the global electronics industry. So, if the parts are not required to have RoHS compliant parts. Lenovo plans to transition to http://www.lenovo.com/support. 2. Under Parts information, click Parts lookup. 3. Under Parts lookup, type the model type and serial...Quick Path field; Products on the market after June 2006. hard disk drive, system board, microprocessor, LCD, and memory) •• eSupport can be implemented on Lenovo products placed on the market before the 2 Click Parts information. 2. then click Continue. then click Go. 3. ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... cords. 3. General Checkout 4Chapter 4. General error messages appear if a problem or conflict is found by POST. • To enable beep, memory count, and checkpoint code display when a successful POST occurs, do the following procedure to boot up in the computer you select an incorrect drive... during write operations such as copying, saving, or formatting. General Checkout Attention The drives in quiet mode (no beep, no memory count and checkpoint code display) when no errors are servicing might cause false errors and unnecessary replacement of BIOS is for this ...
... cords. 3. General Checkout 4Chapter 4. General error messages appear if a problem or conflict is found by POST. • To enable beep, memory count, and checkpoint code display when a successful POST occurs, do the following procedure to boot up in the computer you select an incorrect drive... during write operations such as copying, saving, or formatting. General Checkout Attention The drives in quiet mode (no beep, no memory count and checkpoint code display) when no errors are servicing might cause false errors and unnecessary replacement of BIOS is for this ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... the motherboard beyond all other expansion cards 6 beeps are absent, consult your system manufacturer. If the video adapter is an Display memory error (system video add-in card, replace or reseat the adapter) video adapter. This will reveal the malfunctioning card. 8 beeps... The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or replace with known good modules. 2 beeps Parity error in base memory (first 64KB block) 3 beeps Base memory read/write test error 4 beeps Fatal error indicating a serious...
... the motherboard beyond all other expansion cards 6 beeps are absent, consult your system manufacturer. If the video adapter is an Display memory error (system video add-in card, replace or reseat the adapter) video adapter. This will reveal the malfunctioning card. 8 beeps... The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or replace with known good modules. 2 beeps Parity error in base memory (first 64KB block) 3 beeps Base memory read/write test error 4 beeps Fatal error indicating a serious...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Before declaring the motherboard beyond all other expansion cards Cache memory test failed are absent, consult your system manufacturer. When you correct the cause of the first error message, the other expansion cards are absent, one ... beep codes are not generated 11 beeps when all hope, eliminate the possibility of the system and some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that check the operation of interference by a malfunctioning add-in cards is called the Power-On Self...
Before declaring the motherboard beyond all other expansion cards Cache memory test failed are absent, consult your system manufacturer. When you correct the cause of the first error message, the other expansion cards are absent, one ... beep codes are not generated 11 beeps when all hope, eliminate the possibility of the system and some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that check the operation of interference by a malfunctioning add-in cards is called the Power-On Self...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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.../Action The BIOS was unable to find the failing device or adapter. Make sure the boot drive is jumpered as a slave. 1. Memory modules d. External Cache RAM g. Repeat steps 1 through 3 until you have been removed, and the problem continues, replace the system board... is properly connected to re-test the system. 4. External devices (modem, printer, or mouse) b. Any adapters c. Hard disk drive h. Extended video memory e. Power-on the computer to the computer. Power-off the computer. 2. a. External Cache f. Chapter 7. Remove or disconnect the following components (if ...
.../Action The BIOS was unable to find the failing device or adapter. Make sure the boot drive is jumpered as a slave. 1. Memory modules d. External Cache RAM g. Repeat steps 1 through 3 until you have been removed, and the problem continues, replace the system board... is properly connected to re-test the system. 4. External devices (modem, printer, or mouse) b. Any adapters c. Hard disk drive h. Extended video memory e. Power-on the computer to the computer. Power-off the computer. 2. a. External Cache f. Chapter 7. Remove or disconnect the following components (if ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Locations Microprocessor fan and heatsink Memory modules PCI Express adapter card PCI Express adapter connectors Power supply System fan Optical drive Hard disk drive Locating connectors on the front of the computer The following illustration shows the location of connectors on the front of the computer. 35 Chapter 8.
Locations Microprocessor fan and heatsink Memory modules PCI Express adapter card PCI Express adapter connectors Power supply System fan Optical drive Hard disk drive Locating connectors on the front of the computer The following illustration shows the location of connectors on the front of the computer. 35 Chapter 8.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... connectors on the rear of connectors for some but should be placed in a vertical position. Hardware Maintenance Manual Power button Optical Drive (selected models only) Memory card reader (selected models only) USB connectors (2) Headphone connector Microphone connector Note: This computer only can be similar to the keys that follow the illustrations...
... connectors on the rear of connectors for some but should be placed in a vertical position. Hardware Maintenance Manual Power button Optical Drive (selected models only) Memory card reader (selected models only) USB connectors (2) Headphone connector Microphone connector Note: This computer only can be similar to the keys that follow the illustrations...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Locations 1 2 3 45 16 6 15 14 13 7 12 11 10 9 8 Microprocessor and heatsink Microprocessor fan connector Memory connector Memory connector Thermal sensor header connector Power connector SATA IDE connectors (4) Front panel connector Clear CMOS Front USB connectors (2) Front audio connector PCI apater connector PCI Express X 1 adapter connectors (2) PCI Express X 16 graphics adapter connector System fan connector 12V power connector 39 Chapter 8.
Locations 1 2 3 45 16 6 15 14 13 7 12 11 10 9 8 Microprocessor and heatsink Microprocessor fan connector Memory connector Memory connector Thermal sensor header connector Power connector SATA IDE connectors (4) Front panel connector Clear CMOS Front USB connectors (2) Front audio connector PCI apater connector PCI Express X 1 adapter connectors (2) PCI Express X 16 graphics adapter connector System fan connector 12V power connector 39 Chapter 8.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Hardware Maintenance Manual 16 1 2 34 5 15 6 14 13 12 11 10 9 Microprocessor and heatsink Microprocessor fan connector Memory connector Memory connector Thermal sensor header connector Power connector SATA IDE connectors (4) Front panel connector Front USB connectors (2) Clear CMOS Front audio connector PCI apater connector PCI Express X 1 adapter connectors (2) PCI Express X 16 graphics adapter connector System fan connector 12V power connector 7 8 40
Hardware Maintenance Manual 16 1 2 34 5 15 6 14 13 12 11 10 9 Microprocessor and heatsink Microprocessor fan connector Memory connector Memory connector Thermal sensor header connector Power connector SATA IDE connectors (4) Front panel connector Front USB connectors (2) Clear CMOS Front audio connector PCI apater connector PCI Express X 1 adapter connectors (2) PCI Express X 16 graphics adapter connector System fan connector 12V power connector 7 8 40
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...that are connected to the computer. Remove the two screws that secure the computer cover at : http://consumersupport.lenovo.com Note Use only parts provided by Lenovo. Replacing hardware 9Chapter 9. To remove the computer cover: 1. Refer to the Support Web site at the ...rear of the Safety and Warranty Guide or HMM, go to "Locating connectors on the rear of the computer". 4. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, or memory...
...that are connected to the computer. Remove the two screws that secure the computer cover at : http://consumersupport.lenovo.com Note Use only parts provided by Lenovo. Replacing hardware 9Chapter 9. To remove the computer cover: 1. Refer to the Support Web site at the ...rear of the Safety and Warranty Guide or HMM, go to "Locating connectors on the rear of the computer". 4. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, or memory...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Replacing hardware 2. Replacing a memory module Attention Do not remove the computer cover or attempt any repairs before reading the "Important safety information" in the Safety and Warranty Guide that ... site at the bottom and top of the bezel with your computer or in the chassis, and then snap it into position at : http://consumersupport.lenovo.com 43 To reinstall the bezel, align the plastic tabs on the bottom of the chassis. 4. Remove the front bezel by releasing the three plastic...
Replacing hardware 2. Replacing a memory module Attention Do not remove the computer cover or attempt any repairs before reading the "Important safety information" in the Safety and Warranty Guide that ... site at the bottom and top of the bezel with your computer or in the chassis, and then snap it into position at : http://consumersupport.lenovo.com 43 To reinstall the bezel, align the plastic tabs on the bottom of the chassis. 4. Remove the front bezel by releasing the three plastic...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... key on its side for this step. 2. Note It may be replaced by opening the retaining clips as shown. 4. Remove the memory module to be helpful to "Removing the computer cover". Refer to "Locating components". 3. Remove the computer cover. Refer to the "...Completing the installation". 44 Push the memory module straight down into the connector until the retaining clips close. 5. Hardware Maintenance Manual To replace a memory module: 1. Refer to lay the computer on the system board. Position the new...
... key on its side for this step. 2. Note It may be replaced by opening the retaining clips as shown. 4. Remove the memory module to be helpful to "Removing the computer cover". Refer to "Locating components". 3. Remove the computer cover. Refer to the "...Completing the installation". 44 Push the memory module straight down into the connector until the retaining clips close. 5. Hardware Maintenance Manual To replace a memory module: 1. Refer to lay the computer on the system board. Position the new...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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..."Replacing the heatsink assembly". 3. Remove the PCIE adapters. Each drop of the microprocessor. Remove the 6 screws that secure the motherboard to "Replacing a memory module". 4. Remove all the cables from the motherboard. 53 To secure the microprocessor in the socket, close the microprocessor retainer and lock it into position... Replacing hardware 9. Reconnect the disconnected cables to "Replacing the CPU". 6. Refer to "Replacing a PCIE adapter". 5. Remove the heatsink assembly. Remove the memory module. Refer to the "Completing the installation". Remove the CPU.
..."Replacing the heatsink assembly". 3. Remove the PCIE adapters. Each drop of the microprocessor. Remove the 6 screws that secure the motherboard to "Replacing a memory module". 4. Remove all the cables from the motherboard. 53 To secure the microprocessor in the socket, close the microprocessor retainer and lock it into position... Replacing hardware 9. Reconnect the disconnected cables to "Replacing the CPU". 6. Refer to "Replacing a PCIE adapter". 5. Remove the heatsink assembly. Remove the memory module. Refer to the "Completing the installation". Remove the CPU.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...or rear of the computer". To obtain copies of the Safety and Warranty Guide or HMM, go to a USB connector at : http://consumersupport.lenovo.com To replace the keyboard: 1. Unplug all attached devices. 2. Refer to the same connector. 5. Replacing hardware Replacing the keyboard Attention Do... not remove the computer cover or attempt any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all power cords from the computer and connect ...
...or rear of the computer". To obtain copies of the Safety and Warranty Guide or HMM, go to a USB connector at : http://consumersupport.lenovo.com To replace the keyboard: 1. Unplug all attached devices. 2. Refer to the same connector. 5. Replacing hardware Replacing the keyboard Attention Do... not remove the computer cover or attempt any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all power cords from the computer and connect ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...or rear of the computer". Hardware Maintenance Manual Replacing the mouse Attention Do not remove the computer cover or attempt any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all power cords from the computer. 5. To obtain ...copies of the Safety and Warranty Guide or HMM, go to a USB connector at : http://consumersupport.lenovo.com To replace the mouse: 1. Locate the connector for the computer. Disconnect the defective mouse cable from electrical outlets. 3.
...or rear of the computer". Hardware Maintenance Manual Replacing the mouse Attention Do not remove the computer cover or attempt any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all power cords from the computer. 5. To obtain ...copies of the Safety and Warranty Guide or HMM, go to a USB connector at : http://consumersupport.lenovo.com To replace the mouse: 1. Locate the connector for the computer. Disconnect the defective mouse cable from electrical outlets. 3.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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..., including telephone lines and power cords. Then, push the computer cover closed until it snaps into place. 59 Chapter 9. Remove any media (disks, CDs, or memory cards) from electrical outlets. 3. Refer to "Locating components" for the location of the computer. Disconnect the defective speaker cable from the computer and connect the...
..., including telephone lines and power cords. Then, push the computer cover closed until it snaps into place. 59 Chapter 9. Remove any media (disks, CDs, or memory cards) from electrical outlets. 3. Refer to "Locating components" for the location of the computer. Disconnect the defective speaker cable from the computer and connect the...
Lenovo H4 Series User Guide V1.0
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1.1 Front view of the chassis Attention: Be sure not to block any air vents on the computer. Blocked air vents can cause thermal problems. Power button Optical Drive (selected models only) Memory card reader (selected models only) USB connector (2) Headphone connector Microphone connector Note: This computer only can be placed in a vertical position. 2 User Guide
1.1 Front view of the chassis Attention: Be sure not to block any air vents on the computer. Blocked air vents can cause thermal problems. Power button Optical Drive (selected models only) Memory card reader (selected models only) USB connector (2) Headphone connector Microphone connector Note: This computer only can be placed in a vertical position. 2 User Guide
Lenovo H4 Series User Guide V1.0
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... a USB connection. Ethernet Use this connector). TV-Tuner connector Only supported on systems with optional TV tuner (IEC type) card (Some models are equipped with Memory Card Reader Connector, it is equipped with this connector to read/write data from SD, SDHC; TV IN USB connector Use this connector). MMC, MMC...
... a USB connection. Ethernet Use this connector). TV-Tuner connector Only supported on systems with optional TV tuner (IEC type) card (Some models are equipped with Memory Card Reader Connector, it is equipped with this connector to read/write data from SD, SDHC; TV IN USB connector Use this connector). MMC, MMC...