Acer Aspire 7715z Service Guide
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Chapter 4131 ODD Failure If the ODD fails, perform the following actions one at a time to correct the problem. Do not replace a non- defective FRUs: ODD Not Operating Correctly If the ODD exhibits any of the following symptoms it may be faulty: • Audio CDs do not play when loaded • DVDs do not play when loaded • Blank discs do not burn correctly • DVD or CD play breaks up or jumps • Optical drive not found or not active: • Not shown in My Computer or the BIOS setup • LED does not flash when the...
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132Chapter 4 a.Double-click lDE ATA/ATAPI controllers. If a device displays a down arrow, right-click on the device and click Enable. b.Double-click DVD/CD-ROM drives. If the device displays a down arrow, right-click on the device and click Enable. c.Check that there are no yellow exclamation marks against the items in l D E ATA / ATA P I c o n t r o l l e r s. If a device has an exclamation mark, right-click on the device and uninstall and reinstall the driver. d.Check that there are no yellow...
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Chapter 4133 b.Double-click IDE ATA/ATAPI controllers, then right-click ATA Device 0. c.Click Properties and select the Advanced Settings tab. Ensure that the Enable DMA box is checked and click OK. d.Repeat for the other ATA Devices shown if applicable. Drive Not Detected If Windows cannot detect the drive, perform the following actions one at a time to correct the problem. 1.Restart the computer and press F2 to enter the BIOS Utility. 2.Check that the drive is detected in the ATAPI Model Name field...
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134Chapter 4 Wireless Function Failure If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace a non- defective FRUs: Thermal Unit Failure If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:
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Chapter 4135 External Mouse Failure If an external Mouse fails, perform the following actions one at a time to correct the problem. 1.Try an alternative mouse. 2.If the mouse uses a wireless connection, insert new batteries and confirm there is a good connection. See the mouse user manual. 3.If the mouse uses a USB connection, try an alternate USB port. 4.Try an alternative program to verify mouse operation. Reinstall the program experiencing mouse failure. 5.Restart the computer. 6.Remove any recently...
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136Chapter 4 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following: 1.Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2.If no error is detected, do not replace any FRU. 3.If any...
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Chapter 4137 Post Codes These tables describe the POST codes and descriptions during the POST. Sec: NO_EVICTION_MODE_DEBUG EQU 1 (CommonPlatform\sec\Ia32\SecCore.inc) Memory: DEBUG_BIOS equ 1 (Chipset\Alviso\MemoryInitAsm\IA32\IMEMORY.INC) CodeDescription 0xC2 MTRR setup 0xC3 Enable cache 0xC4 Establish cache tags 0xC5 Enter NEM, Place the BSP in No Fill mode, set CR0.CD = 1, CR0.NW = 0. 0xCF Cache Init Finished CodeDescription 0xA0 First memory check point 0x01 Enable MCHBAR 0x02 Check for DRAM...
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138Chapter 4 BDS & Specific action: 0x27 Enable DRAM Channel I/O Buffers 0x28 Enable all clocks on populated rows 0x29 Perform JEDEC memory initialization for all memory rows 0x30 Perform steps required after memory init 0x31 Program DRAM throttling and throttling event registers 0x32 Setup DRAM control register for normal operation and enable 0x33 Enable RCOMP 0x34 Clear DRAM initialization bit in the SB 0x35 Initialization Sequence Completed, program graphic clocks 0xAF Disable access to the XMM...
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Chapter 4139 0xF8 Report that ExitBootServices () has been called 0xF9 Runtime driver set virtual address map CodeDescription
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140Chapter 4 Each PEIM entry point used in 80_PORT Each Driver entry point used in 80_PORT CodeDescription 0x00 0x01 PEI_EVENT_LOG 0x02 PEI_OEM_SERVICE 0x03 PEI_SIO_INIT 0x04 PEI_MONO_STATUS_CODE 0x05 PEI_CPU_IO_PCI_CFG 0x06 PEI_CPU_IO 0x07 PEI_PCI_CFG 0x08 PEI_CPU_PEIM 0x09 PEI_PLATFORM_STAGE1 0x0A PEI_VARIABLE 0x0B PEI_SB_INIT 0x0C PEI_CAPSULE 0x0D PEI_PLATFORM_STAGE2 0x0E PEI_SB_SMBUS_ARP_DISABLED 0x0F PEI_HOST_TO_SYSTEM 0x10 PEI_MEMORY_INIT 0x11 PEI_S3_RESUME 0x12 PEI_CLOCK_GEN 0x13 PEI_OP_PRESENCE...