Acer 49.49C02.001 manual Undetermined Problems, Dimm

Page 74

Undetermined Problems

The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, whether a short circuit is suspected, or whether the system is inoperative.

Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU). NOTE: Verify that all attached devices are supported by the computer.

NOTE: Verify that the power supply being used at the time of the failure is operating correctly. (See “Power System Check” on page 59):

1.Power-off the computer.

2.Visually check them for damage. If any problems are found, replace the FRU.

3.Remove or disconnect all of the following devices:

Non-Acer devices

Printer, mouse, and other external devices

Battery pack

Hard disk drive

DIMM

CD-ROM/Diskette drive Module

PC Cards

4.Power-on the computer.

5.Determine if the problem has changed.

6.If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.

7.If the problem remains, replace the following FRU one at a time. Do not replace a non-defective FRU:

6System board LCD assembly

68

Chapter 4

Page 73 Page 75
Image 74
Page 73 Page 75
Contents Service Guide TravelMateCopyright DisclaimerConventions Preface Table of Contents SW4 Settings Chapter TroubleshootingChapter Jumper and Connector Locations Appendix C Online Support Information 101 Index 103System Specifications FeaturesVideo performance System Block Diagram CPUBoard Layout Top ViewBottom View Icon Port Connects to PanelLeft Panel Rear Panel Bottom Panel DockMate V mini docking stationRight Panel Indicators Icon Function DescriptionHot Keys Hot Key Icon Function DescriptionHardware Specifications and Configurations Memory Combinations Floppy Disk Drive Interface DVD-ROM Interface Video Memory Video Resolutions ModeVideo Interface Parallel PortIrDA Port Serial PortUSB Port Pcmcia PortBattery DC-AC LCD InverterAC Adapter Environmental Requirements Power ManagementMechanical Specification Memory Address Size Function Memory Address MapAddress Map Address FunctionInterrupt Channel Function IRQ Assignment MapDMA Channel Assignment DMA Channel FunctionBios Setup Utility Navigating the Bios UtilitySystem Information Parameter Description FormatBasic System Settings UuidStartup Configuration Parameter Description OptionsOnboard Device Configuration Setting the Boot Drive SequenceSystem Security System SecuritySetting a Password Load Default Settings Removing a PasswordFlash Utility Executing Flash ProgramThermal and Fan Utility System Utility DiskettePanel ID Utility Main Board Data UtilitySystem Diagnostic Diskette DiskRunning PQA Diagnostics Program Diag Result Diag Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart Is a S S E M B L Y FLO W C H a R T O F TMScrew List Removing the Battery Pack Removing the External Dimm Module Removing the External Modem Combo Card Removing the CD-ROM/DVD-ROM Module Removing the Hard Disk Drive Module Removing the Floppy Disk Drive Module Disassembling the Main Unit Removing the KeyboardRemoving the LCD Module Removing the TouchPad ModuleRemoving the CPU Removing the RTC Separating the Lower Case from the Upper CaseRemoving the Fan Removing the DC-DC Charger BoardRemoving the Audio Jack Cover Removing the Modem Power CableRemoving the System Board Removing the Pcmcia SocketRemoving the LCD Bezel Removing the Speaker Assembly ModuleDisassembling the LCD Module Removing the Inverter Board Removing the LCD BracketRemoving the LED Board Removing the MicrophoneRemoving the Left and Right Hinges Troubleshooting Symptoms Verified Go ToExternal CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory CheckCheck the Battery Pack Touchpad CheckPower-On Self-Test Post Error Message Error Messages FRU/Action in Sequence Index of Error MessagesError Message List No beep Error Messages FRU/Action in Sequence LCDIndicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related SymptomsSpeaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related SymptomsModem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Intermittent Problems Undetermined Problems DimmIndex of AFlash Bios Error Message Error Message Action in SequenceIndex of PQA Diagnostic Error Code, Message Error Code Message Action in SequenceTop View PCB 99202-SBSW4 Settings SettingBottom View Chapter FRU Field Replaceable Unit List Chapter Picture Partname Description Processor MemoryPicture Partname Description LCDSpeaker to LED Speaker Assembly Assy Speaker MIC Cable Microphone WM-60A LCD Assembly Assy LCD Module LCD Bracket R Brkt -R CPT SUS MODULE15 Hitachi HDD FDD Mechanical Parts Middle Cover CVR Middle KU2-1518 Picture Partname Description Touchpad Picture Partname Description Keyboard CablePower MiscellaneousScrews OthersExt Model Number DefinitionsModel ModuleAppendix a Test Compatible Components Specifications Windows 95 Environment TestWindows 98 Environment Test Windows 2000 Environment Test Windows NT Environment Test 100 Online Support Information 102 Index Online Support Information Page 106

49.49C02.001 specifications

The Acer 49.49C02.001 is a remarkable addition to Acer's lineup of high-performance displays, tailored for gamers and professionals alike. This monitor is characterized by its expansive 49-inch curved screen, which creates an immersive viewing experience that draws the user in. The display features a super ultra-wide 32:9 aspect ratio, providing ample screen real estate for multitasking or fully immersing oneself in gaming.

One of the standout features of the Acer 49.49C02.001 is its QHD resolution, with a 3840 x 1080 pixel configuration. This high resolution ensures that images and videos are rendered with stunning clarity and detail, eliminating any blurriness that can often accompany lower resolution displays. The monitor's VA panel technology contributes to its superior contrast ratios, providing vivid colors and deep blacks that enhance the overall viewing experience.

For gamers, the Acer 49.49C02.001 integrates a 144Hz refresh rate, which is essential for achieving smooth gameplay. The high refresh rate minimizes motion blur and provides a seamless visual experience during fast-paced action, making it an ideal choice for first-person shooters and racing games. Additionally, the monitor supports AMD FreeSync technology, which synchronizes the refresh rate of the display with the graphics card, reducing screen tearing and stuttering during gameplay.

In terms of connectivity, the monitor is equipped with multiple input options, including HDMI and DisplayPort, allowing for easy connections to various devices such as gaming consoles and PCs. The inclusion of USB ports also facilitates the connection of peripherals, ensuring that users have everything they need at their fingertips.

The ergonomic design of the Acer 49.49C02.001 is another significant highlight. With height and tilt adjustments, users can customize the monitor's position for optimal comfort during long hours of use. The sleek and modern design complements any setup, whether for gaming, work, or entertainment.

Moreover, the monitor comes with Acer's BlueLightShield and Flickerless technologies, which reduce eye strain during extended use. This combination of features and technologies makes the Acer 49.49C02.001 a versatile and powerful display, suitable for a wide range of applications, from gaming marathons to professional graphic design work. Overall, Acer's commitment to quality and innovation is evident in this striking monitor.
Top Page Image Contents