Acer Z3751, Z3750, Z5750, Z5751 manual Quantity Color Torque Part Number

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4.Remove the graphics card assembly from the mainboard.

5.Remove the screw securing the graphics card bracket.

Quantity	Color	Torque	Part Number

1	Chrome	4.5 +/- 0.3 kgf-cm	86.00B75.240

6.Disconnect the graphics card from the riser board.

A circuit board that is >10 cm2 has been highlighted with a yellow rectangle as shown in the above image. Follow local regulations for disposing this type of circuit board.

44	Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide

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Contents Information, go to http//csd.acer.com.tw Date Chapter Updates Revision HistoryCopyright Conventions Service Guide Coverage Page Table of Contents Online Support Information 149 Index 151 System Features Component DescriptionPhysical Specifications Aspect DescriptionSystem Tour Icon ComponentLeft View Right and Rear Views Hardware Specifications Processor Specification Intel Core Intel PentiumSpecification ChipsetsSata Hlds GT31NPlds DS-8A5SH Hlds CT21NWireless LAN Ccfl LvdsLG LM230WF1 TLA5 LF LG LM215WF1Page Cmos Setup Utility System UtilitiesAccessing the Setup Utility Navigating through the Setup Utility Key FunctionProduct Information Field DescriptionField Description Value Standard Cmos FeaturesAll, But Keyboard Enabled Advanced Bios FeaturesDisabled Advanced Chipset Features AMD-VAuto PcieIntegrated Peripherals Native IDES3 STR Power Management SetupLast State PC Health Status 5VSB VbatFrequency/Voltage Control DIMM/PCIBios Security Features To set a system password Load Default Settings Save & Exit SetupExit Without Saving Page Disassembly Tools Pre-disassembly ProcedureRemoving the Computer Stand Disassembly ProceduresQuantity Color Torque Part Number Removing the I/O Cable Cover Removing the Rear Cover Removing the I/O Cable Plate Removing the B-CAS Card BracketRemoving the Optical Disc Drive Quantity Color Torque Part Number Removing the Scaler Board Quantity Color Torque Part Number Removing the USB/Audio Board Quantity Color Torque Part Number Removing the Speakers Remove the screws securing the scaler board cover Removing the Wall Mount Plate Removing the Inverter Board Remove the screws securing the inverter board Removing the Graphics Card Quantity Color Torque Part Number Removing the Hard Disk Drive Remove the screw securing the hard drive Removing the Power Supply Unit Remove the screw securing the PSU Removing the Heat Sink Fan HSF Assembly Removing the Processor Removing the Memory Modules Removing the Mainboard Remove the screws securing the mainboard Removing the I/O Shield Removing the Side BezelPage Removing the Front Bezel Page Removing the Capacitive LED Board Removing the Bluetooth Module Removing the Light Bars Removing the Power Button Removing the Webcam ModuleRemoving the Speaker Mesh Cover Assembly Removing the Touchscreen Control Board Removing the LCD Panel Removing the LCD Panel Brackets Removing the LCD Lvds CableRemoving the System Cables Power System Check Hardware Diagnostic ProcedureSystem External Inspection Viewing Bios Checkpoints Boot Block Initialization Code CheckpointsSystem Internal Inspection Checkpoint DescriptionBoot Block Recovery Code Checkpoints Post Code Checkpoints Memory test. Display total memory in the system Post Error Messages DIM Code CheckpointsMemory Message DescriptionStorage Device Message Description Virus-related Cmos Message Displayed DescriptionIndex of Symptom-to-FRU Error Messages Hard Disk Drive-related Symptoms Symptom/Error Action/FRU Optical Disc Drive-related Symptoms Symptom/Error Action/FRUReal-Time Clock-related Symptoms Symptom/Error Action/FRU Audio-related Symptoms Symptom/Error Action/FRUModem-related Symptoms Symptom/Error Action/FRU Video and Monitor-related Symptoms Symptom/Error Action/FRUKeyboard-related Symptoms Symptom/Error Action/FRU Printer-related Symptoms Symptom/Error Action/FRUPower Supply-related Symptoms Symptom/Error Action/FRU Beep Codes Beep Status Possible CausesCreating the Bios Crisis Recovery Disk Bios RecoveryPerforming a Bios Recovery Clearing Cmos To clear the Cmos dataBlock Diagram System ArchitectureMainboard Layout Code ComponentBAT1 CpufanDIMM4 DIMM2Page Field Replaceable Unit FRU List Exploded Diagram Page Category Part Name Part Number FRU ListBoards Wireless antennas ProcessorMemory Heat sink fanHard drive Optical drive SpeakersCase / Cover / Bracket / Assembly LCD panelAssembly Hinge Power Cage BracketHinge Cover IO CoverCables Power supply unit AC power cordPart Name CategoryKeyboard Portuguese Keyboard 105KEY LITE-ON SK-9621 USB Silver Romanian Keyboard 105KEY LITE-ON SK-9621 USB SilverSlovak Keyboard 105KEY LITE-ON SK-9621 USB Silver Slovenian Keyboard 105KEY LITE-ON SK-9621 USB SilverKeyboard 105KEY LITE-ON SK-9660 RF2.4 Silver ARABIC/FRENCH Keyboard 105KEY LITE-ON SK-9660 RF2.4 SilverBelgium Keyboard 105KEY LITE-ON SK-9660 RF2.4 Silver CZECH/SLOVAK Keyboard 105KEY LITE-ON SK-9660 RF2.4 SilverScrews MouseMiscellaneous Page Model Definitions and Configurations Aspire Z3750 / Z3751 / Z5750 / Z5751 Model Configurations Common model featuresPFC PRC USB USB/A1 VGA U2GBI U1GBI Bsmi USB USB/A1 W7HP Nbdrw S1.SE EMEA00 Type KitDTX AIO 007 2G*2/1000G*1/NSM8XS/B23 DVI/DSUB Dtxa ATX Aspire Z3750 / Z3751 / Z5750 / Z5751 Service Guide 114 Device Name Vendor W37G HdmiTC-37MPK VGA/HDMI HSDPA/UMTS/EDGE/GPRS/GSMUSB ODD USB HDDData Approved Vendor Lists AVLs Aspire AZ3750 AVLComponent Vendor Type Description Part Number U1GBIII13W3EA HgstWCC4H Hgst WCC4H NBDCB4XSHlds NBDCB4XS NBDRW4XSDVI/DSUB ATX ATX BKT Rohs DVI/DSUB ATX ATX BKT Rohs 4 Layer Cost DownDVI/DSUB ATX BKT Rohs 4 Layer Cost Down DVI/DSUB ATXLPL D21.5WUXGA AUO D21.5WUXGAUSB/A1 Keyboard Lite-On SK-9621 USB 105KS Silver UK KB.USB0B.304 Component Vendor Type Description Part Number Component Vendor Type Description Part Number Aspire AZ3751 AVL Hgst WCC4H DVI/DSUB ATX ATX BKT Rohs AUO D21.5WUXGA Continuation Component Vendor Type Description Part Number Component Vendor Type Description Part Number Aspire AZ5750 AVL U1GBIII10Hgst WCC4H DVI/DSUB ATX ATX BKT Rohs D23FHD LPL D23FHDContinuation Component Vendor Type Description Part Number Component Vendor Type Description Part Number Aspire AZ5751 AVL Memory Hynix WCC4H DVI/DSUB ATX ATX BKT Rohs D23FHD Continuation Component Vendor Type Description Part Number Component Vendor Type Description Part Number Online Support Information Page Index Page Light bar/capacitive LED function cable Beep codes 82 checkpoints 70 error messages