Navigating the BIOS Utility

There are six menu options Information, Main, Advanced, Security, Power, Boot, and Exit. Follow these instructions To choose a menu, use the left and right arrow keys. To choose an item, use the up and down arrow keys. To change the value of a parameter, press F5 or F6. A plus sign indicates the item has sub-items. Press Enter to expand this item. Press Esc while you are in any of the menu options to go to the Exit menu. In any menu, you can load default settings by pressing F9. You can also...

Memory

DEBUG_BIOS equ 1 Check for DRAM initialization interrupt and reset fail Verify all DIMMs are DDR or DDR2 and unbuffered Detect an improper warm reset and handle Detect if ECC SO-DIMMs are present in the system Verify all DIMMs are single or double sided and not asymmetric Verify all DIMMs are x8 or x16 width Find a common CAS latency between the DIMMS and the MCH Determine the memory frequency and CAS latency to program Determine the smallest common TRAS for all DIMMs Determine the smallest...

Disassembly Process

The disassembly process is divided into the following sections External components disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. Observe the order of the sequence to avoid damage to any of the hardware components. For example, if you want to remove the Mainboard, you must first remove the Keyboard, and LCD Module then disassemble the inside assembly frame in that order.

External Mouse Failure

If an external Mouse fails, perform the following actions one at a time to correct the problem. 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. 6. Remove any recently added hardware and associated software. 7. Remove any recently added...

Removing the HDD Module

Slide the HDD in the direction of the arrow to disconnect the HDD from the interface connector. 4. Lift the hard disk drive module out of the bay. NOTE To prevent damage to the device, avoid pressing down on it or placing heavy objects on top of it. 5. Remove the four 4 screws two each side securing the hard disk to the carrier.

BIOS Setup Utility

The BIOS Setup Utility is a hardware configuration program built into your computer's BIOS Basic Input Output System . Your computer is already properly configured and optimized, and you do not need to run this utility. However, if you encounter configuration problems, you may need to run Setup. Please also refer to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST when Press lt F2 gt to enter Setup message is prompted on the bottom of screen ....

Using Boot Sequence Selector

Boot Sequence Selector allows the boot order to be changes without accessing the BIOS. To use Boot Sequence Selector, perform the following steps 2. Execute BS.exe to display the usage screen. F loppy gt IHardDisk gt MardDiskl gt f CD-R K 3 gt LfiN 3 gt Floppy 3 gt MardDiskl 3. Select the desired boot sequence by entering the corresponding sequence, for example, enter BS2 to change the boot sequence to HDD CD ROM LAN Floppy.

Replacing the LCD Brackets

Replace two 2 brackets to the LCD Panel. 2. Secure the LCD Panel using four 4 screws. 3. Connect the LVDS cable to the LCD Panel and reattach the clear connector tape. CAUTION Align the cable with the camera module. If the cable is misaligned, the camera module may shift causing the camera to sit in the wrong location. 4. Lay the cable across the LCD Panel in the area indicated between the green lines. Press down to adhere the cable.

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 On Issue on page 104 2. Visually check them for...

Replacing the LCD Module

Antenna Under Lcd Module

Place the LCD Module on the Lower Cover. 2. Secure the LCD Module using two 2 screws. 3. Run the black antenna cable through the cable channel and pull it through the casing as shown. 3. Run the black antenna cable through the cable channel and pull it through the casing as shown. 4. Run the white antenna cable through the cable channel and pull it through the casing as shown. 4. Run the white antenna cable through the cable channel and pull it through the casing as shown. 5. Turn the device...

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 error is detected,...

Replacing the WLAN Antennas

Place the antenna pad in the bracket. 3. Adhere the foil tabs to the white antenna cable. 4. Place the antenna pad in the bracket. 6. Adhere the foil tabs to the black antenna cable. 5. Run the cable along the cable channel, which is highlighted between the green lines. 6. Adhere the foil tabs to the black antenna cable. 1. Replace the Microphone set and fold over the foil tab. 2. Run the cable along the cable channel while adhereing the foil tabs. The cable channel is highlighted between...

Replacing the DIMM Module

Line the DIMMcard up with the slot. 2. Push the DIMM card down until there is an audible 3. Replace the DIMM cover by first lining up the guide 4, hooks on the top edge. 5. Secure the DIMM cover using one 1 screw. Press down on the cover to lock all guide hooks. The cover should be flush with the device. 5. Secure the DIMM cover using one 1 screw.

Random Loss of BIOS Settings

If the computer is experiencing intermittent loss of BIOS information, perform the following actions one at a time to correct the problem. 1. If the computer is more than one year old, replace the CMOS battery. 2. Run a complete virus scan using up-to-date software to ensure the computer is virus free. 3. If the computer is experiencing HDD or ODD BIOS information loss, disconnect and reconnect the power and data cables between devices. If the BIOS settings are still lost, replace the cables....

Communication

Acer Crystal Eye webcam, with 640 x 480 resolution, supporting enhanced Acer PrimaLite technology WLAN Acer InviLink Nplify 802.11b g n Wi-Fi CERTIFIED , supporting Acer SignalUp wireless technology WLAN Acer InviLink 802.11b g Wi-Fi CERTIFIED , supporting Acer SignalUp wireless technology WWAN UMTS HSPA at 850 900 1900 2100 MHz and quad-band GSM GPRS EDGE 850 900 1800 1900 MHz , upgradeable to 7.2 Mb s HSDPA and 5.7 Mb s HSUPA, supporting receiver diversity and equalizing at 2100 MHz for 3G...

Replacing the Touchpad Board

Place the Touchpad Board in the device, while pressing down on the FFC to adhere it to the Upper Cover. 2. Secure the Touchpad Board using two 2 screws. 2. Secure the Touchpad Board using two 2 screws. 2. Secure the Upper Cover using seven 7 screws. 2. Secure the Upper Cover using seven 7 screws. 3. Reconnect the following cables to the Mainboard. 3. Reconnect the following cables to the Mainboard. 3. Turn the Keyboard over and slide it in the direction of the arrow. Press down around the...

FRU Field Replaceable Unit List

This chapter gives you the FRU Field Replaceable Unit listing in global configurations of NAV50. Refer to this chapter whenever ordering for parts to repair or for RMA Return Merchandise Authorization . Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available on your regional web or channel. For whatever reasons a part number change is made, it will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may...

Lock Keys and embedded numeric keypad

The keyboard has three lock keys which you can toggle on and off. The keyboard has three lock keys which you can toggle on and off. When Caps Lock is on, all alphabetic characters typed are in uppercase. When Num Lock is on, the embedded keypad is in numeric mode. The keys function as a calculator complete with the arithmetic operators , -, , and . Use this mode when you need to do a lot of numeric data entry. A better solution would be to connect an external keypad. Scroll Lock lt Fn gt lt F12...

BuiltIn Keyboard Failure

Screen Shots Ofbios Settings

If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs If sound problems are experienced, perform the following actions one at a time to correct the problem. 2. Navigate to Starts Control Panels System and Maintenance System Device Manager. Check the Device Manager to determine that The device is properly installed. There are no red Xs or yellow exclamation marks. There are no device conflicts. No hardware is listed...

LCD Module Disassembly Process

IMPORTANT Cable paths and positioning may not represent the actual model. During the removal and replacement of components, ensure all available cable channels and clips are used and that the cables are replaced in the same position. NOTE The product previews seen in the disassembly procedures may not represent the final product color or configuration. The following procedure outlines the steps to disassemble the LCD Module on models with 3G functionality. Models that do not support 3G do not...

Disassembly Requirements

To disassemble the computer, you need the following tools Wrist grounding strap and conductive mat for preventing electrostatic discharge NOTE The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch when putting back the components.

Enter New Password Confirm New Password

Type a password in the Enter New Password field. The password length can not exceeds 8 alphanumeric characters A-Z, a-z, 0-9, not case sensitive . Retype the password in the Confirm New Password field. IMPORTANT Be very careful when typing your password because the characters do not appear on the screen. 3. Press Enter. After setting the password, the computer sets the User Password parameter to Set. 4. If desired, you can opt to enable the Password on boot parameter. 5. When you are done,...

Common Problems

Use the following procedure as a guide for computer problems. NOTE The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Obtain the failing symptoms in as much detail as possible. 2. Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation. 3. Use the following table with the verified symptom to determine which...

LCD Module Disassembly Flowchart

See Removing the LCD Module on page 69. 2. Remove the two 2 screw caps and two 2 screws from the LCD Bezel. 3. Carefully pry the LCD Bezel from the LCD Assembly using both hands. If necessary, use a plastic pry to release the corners of the bezel. When all the guide hooks have been released, lift the bezel clear of the assembly.

Replacing the Hard Disk Drive Module

Insert the HDD in to the HDD Carrier and secure the Carrier to the HDD by replacing the four 4 screws. 2. Insert the HDD Module into the Lower Cover as 3. Slide the HDD Module in the direction of the arrow to shown. connect the interface. 4. Replace the HDD door by lining up the guide hooks 5. Remove the three 3 screws from the HDD Cover. as shown.

Removing a Password

Use the t and i keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set Password box appears Enter Current Password Enter New Password Confirm New Password 2. Type the current password in the Enter Current Password field and press Enter. 3. Press Enter twice without typing anything in the Enter New Password and Confirm New Password fields. The computer then sets the Supervisor Password parameter to Clear. 4. When you have changed the settings, press u to save...

Nav Fru List

FOXCONN WIRELESS LAN ATHEROS HB93 1X2 BGN HM FOXCONN WIRELSS LAN ATHEROS HB95 1X1 BG HM FOXCONN WIRELESS LAN BROADCOM 4312H BG HM FOXCONN BROADCOM BCM970010 MEDIA PROCESSOR MINI-CARD LINK W H.264 VC1 MPEG2 FOXCONN QUARTICS QV1721 MEDIA CO-PROCESSOR MINI-CARD TTH130.00 W UPPER CASE ASSY FOR W BT, INCL.TP TP MYLAR -BLUE UPPER CASE ASSY FOR W O BT, INCL.TP TP MYLAR -BLUE UPPER CASE ASSY FOR W BT, INCL.TP TP MYLAR -SILVER UPPER CASE ASSY FOR W O BT, INCL.TP TP MYLAR -SILVER UPPER CASE ASSY FOR W...

Right View

Acer Aspire Ao751h Sim Slot

Accepts Secure Digital SD , MultiMediaCard MMC , Memory Stick MS , Memory Stick PRO MS PRO , xD-Picture Card xD . Note Push to remove install the card. Only one card can operate at any given time. Connects to line-out audio devices e.g., speakers, headphones . Accepts input from external microphones. Connects to USB 2.0 devices e.g., USB mouse . Connects to a Kensington-compatible computer security lock. Connects to an Ethernet 10 100-based network. Note The battery shown is for reference only....

Using DMITools

The DMI Desktop Management Interface Tool copies BIOS information to eeprom to be used in the DMI pool for hardware management. When the BIOS displays Verifying DMI pool data it is checking the table correlates with the hardware before sending to the operating system Windows, etc. . To update the DMI Pool, perform the following steps 2. Execute dmitools.exe. The following messages show dmitools usage DMITOOLS R WP WS WU STRING dmitools r gt Read dmi string from bios dmitools wm xxxx gt Write...

Changing a Password

Insydeh20 Utility

Use the t and i keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set Password box appears. Enter Current Password Enter New Password Confirm New Password 2. Type the current password in the Enter Current Password field and press Enter. 3. Type a password in the Enter New Password field. Retype the password in the Confirm New Password field. 4. Press Enter. After setting the password, the computer sets the User Password parameter to Set. 5. If desired, you...

BIOS Recovery by Crisis Disk

BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous BIOS flashing process failed. The system provides a function hotkey Fn Esc, for enable BIOS Recovery process when system is powered on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery present. If this function is enabled, the...

Clearing Password Check and BIOS Recovery

Travelmate 7730 Gap Jumper

This section provide you the standard operating procedures of clearing password and BIOS recovery for NAV50. NAV50 provides one Hardware Open Gap on main board for clearing password check, and one Hotkey for enabling BIOS Recovery. Clearing Password Check Hardware Open Gap Description Steps for Clearing BIOS Password Check If users set BIOS Password Supervisor Password and or User Password for a security reason, BIOS will ask the password during systems POST or when systems enter to BIOS Setup...

Hardware Specifications and Configurations

Intel Pineview-M N450, N470 Processor Intel 945GSE Express chipset On die 512-kB, 8-way L2 cache ENE KB926 for Keyboard Controller, Battery management Unit, and RTC. Realtek ALC272X-GR for High Definition Audio Codec. Atheros AR8132 for 10 100 LAN. ENE UB6252 card reader support MS, MS Pro, SD, MMC, xD Throttling 50 On 95 C OFF 80 C OS shut down at 100 C H W shut down at 90 C 512MB or 1GB DDR2 RAM if 2Gb die support is available DDR II 533Mhz SDRAM memory interface design 9.5mm height, 2.5 HDD...

Removing the Keyboard

Pila Bios Acer Aspire 5920

See Removing the Battery Pack on page 42. 2. Turn the computer rightside up and open the lid to the full extent. 3. Unlock the center securing latch by pressing down with a plastic tool. IMPORTANT The use of metal tools may damage the outer casing. Use only plastic tools. 4. Grasp the Keyboard and lift upward in the center as shown. 5. Turn the Keyboard over and open Keyboard FPC securing latch. lift the Keyboard clear of the device. lift the Keyboard clear of the device. 1. See Removing the...

Removing the Camera Board

Acer Aspire One 532h Lcd Connector

See Removing the LCD Bezel on page 72. CAUTION Do not use excessive force when handling the Web Camera Board. 2. Disconnect the cable from the Web Camera Board as shown. 3. Detach the Web Camera Board while being careful not to handle the board with excessive force. 1. See Removing the Camera Board on page 73. 2. Remove the four 4 securing screws from the LCD Panel. 3. Remove the LVDS foil tab and pull the LVDS cable away from the channel as shown. 3. Remove the LVDS foil tab and pull the...

Information

Insydeh20 Setup Utility Rev

The Information screen displays a summary of your computer hardware information. H Help m Select Item I 5g9 Change Values flj Setup Default EEHIxit JH Select Menu BEBtEM Select SubMenu BjHM Save and Exit H Help m Select Item I 5g9 Change Values flj Setup Default EEHIxit JH Select Menu BEBtEM Select SubMenu BjHM Save and Exit NOTE The system information is subject to different models. NOTE The system information is subject to different models. This field shows the CPU type and speed of the...