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seeksmartguide comTo disassemble keyboard PCBs 1. Using gentle force, press a click to release the PCB from the click. A click can be caught in the slit behind of it, or can be deformed if too much force is used. When a click is caught in the slit, return it to original position with a tweezers. MSM6567-15 To mute circuit Mute Circuit The mute circuit removes noise from the sound signal just before the signal fades away. The circuit detects amplitude of the decaying sound signal by amplifing it by 1000 times, and transistor T6 flows the signal into the ground when the amplitude decays almost zero. Parts Name Specification N.R.Yen Unit Price PCB Ass'y M5508-MA1M 2011 6979 LSI MSM6567-15GS-K-109 1,060 2105 2219 IC S-8053ANO 2114 1799 IC M5218APR 2114 2891 IC LA4598 2220 1387 Transistor 2SC1740SQ-TP-T 2 10 2250 0168 Transistor 2SA854-SR-TP-T 1 10 2252 0168 Transistor. Parts Name Specification N.R.Yen Unit Price 2819 0395 Ceramic capacitor RT-HE40TKSL100F-T 2 20 2830 6436 Mylar capacitor AMZV-473K50-T 2 20 2845 3220 Ferrite beads EXC-ELDR35V-T 1 10 3025 0658 EMI filter ELK-AH103EB 3 10 3501 7049 DC jack HEC2305-01-330 3612 0711 Miniature jack YKB21-5101. Trademarks and Copyrights are property of their respective owners. Enabling these cookies, you help us to offer you a better experience. Page Count: 3 At A Glance. 61 - Note 61 - Note Keyboard. Manual Product Manuals.WK-7600; WK-6600; CTK-7200; CTK-6250; CTK-6200; Standard Keyboards. CTK-5200; CTK-4400; CTK-4200; WK-240; WK-225; Casio CTK - 450 Service Manual PDF Download Casio CTK-450 Service Manual covers Repair Guide, Casio CTK450 Service Manual covers following topics: How to repair your Casio CTK-450 ELECTRONIC KEYBOARD. Casio CTK-511 manual, keyboard, price, review - Casio CTK-411; Casio CTK-431; casio ctk 511 manual; keyboard. At A Glance. 61 - Note Keyboard. Manual Product Manuals. Search Fixya. Browse Categories Answer Questions. Skip to main content.http://www.w3.org/2000/svg" xml

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Please do not offer the downloaded file for sell only use it for personal usage. Looking for other manual? For this no need registration. May be help you to repair. You could suffer a fatal electrical shock. Instead, contact your nearest service center. Note! To open downloaded files you need acrobat reader or similar pdf reader program. In addition, Also some files are djvu so you need djvu viewer to open them. These free programs can be found on this page: needed progs If you use opera you have to disable opera turbo function to download file. If you cannot download this file, try it with CHROME or FIREFOX browser. Translate this page: Relevant INSTRUMENT forum topics: Casio BC-1HG tolto beallitasa kisebb aramra? Udv! Ami ra van irva, azt is adja le, de 4x AA aksit nem biztos, hogy tolteni szeretnek 4x490 mA-al, mert nem biztos, hogy hasznal neki.Ismeri valaki ezt a toltot. Le lehetne venni a toltoaramat, mondjuk legalabb a felere. Kivulrol mintha nem lehetne. Udv: formasu Similar manuals: You can write in English language into the forum (not only in Hungarian). Please check your inbox, and if you can’t find it, check your spam folder to make sure it didn't end up there. Please also check your spam folder.http://www.nakakinpump.kr/fckeditor/upload/dallmeier-dms-180-manual.xml NOOK for PC (US only) -.Oberon Game Zone (except US, Canada, Hong Kong, Korea) -. Acer Accessory S tore (Belgium, France, Germany, Italy, Netherlands, S pain, Sweden, UK only) -. Acer Iden tity Card -. Acer Registration -. Netflix shortcut (US only) Battery indicator In dicates the computer's battery status. - Charging: The light shows amber when the battery is ch arging. - Fully charged: The light shows blu e when in AC mode. 6 Click buttons (left and right) The lef t and right buttons function like the left and right mouse bu ttons. 7 T ouch pad T ouch-sensitive poin ting device which functions like a computer mo use. 8 S pe akers Deliver ster eo audio outpu t. 9 Microphone Internal microphone for sound recording. T able 1-1. T op View No Icon Item Description Only one card can operate at any given time. NOTE: Insert a pa per clip to the emergency eject ho le to eject the optical drive tray when the computer is off. 6 Kensington lock slot Connects to a Kensington-comp atible computer security lock. NOTE: Wrap the computer security lock cable around an immovable ob ject such as a table or handle of a locked drawer. Insert the lock into the notch and turn the key to secure the lock. Some keyless models are also available. Hard disk bay Houses the comput er's hard disk (secured with screws). 4 Battery lock Locks the ba ttery in position. T hese two bu ttons are the equivalent of t he left and right buttons on a mouse. T appi ng on the T ouch pad is the same as clicking the left button. T able 1-6. T ouchp ad Function Main T ouc hPad (1) Right Button (2) Left Button (3) Execute T ap twic e (at the sam e speed as double-clicking a mouse button). Quickly click twice. Select T ap once. Click once. Drag T ap twic e (at the sam e speed as double-clicking a mouse button); rest your finger on the T ouchPad on the second t ap and drag the cursor. Click and hold, then use finger on the T ouchpad to drag the cursor. Access context menu Click once.http://afreecountry.com/?q=node/4089 NOTE: When using the T ouchPad, keep it - and fingers - dry and clean. The T ouchPad is sensitive to finger movement; hence, the ligh ter the touc h, the better the respon se. T apping too hard will not increase the T ouchPad’s responsiveness. 1 2 3 It is indicated by small characters located on the upper right corner of the key cap s. T o simplify the keyboard legend, cursor-contr ol key symbols ar e not printed on the keys. (T ab le 1-8) T able 1-7. Keyboard Lock Keys Lock key Description Caps Lock When Caps Lock is on, all alp habetic characters typed ar e in uppercase. Num Lock When Num Lock is on, the embedded keyp ad is in numeric mode. Use this mode when doing a lot of numer ic data entry. A better solution would be to connect an external keypad. Scroll Lock does not work with some applications. T able 1-8. Embedded Numeric Keyp ad Desired access Num Lock on Num Lock off Number keys on embedd ed keyp ad T ype numbers in a normal manner. Cursor-control keys on embedded keyp ad Hold while using cursor-control keys. Hold while using cursor-control keys. T ype the letters in a normal manner. It can also be used with other keys to provide a variety of functions.USB port 9 Card Reader USB port 12 Mini card RJ45 Conn. Off (G3) All devices in the system ar e turned off completely. All devices in the system are tu rned off completely. System saves all system states and data onto the disc prio r to power off the whole system.Either the infrared or the serial po rt may assert IRQ3 or IRQ4. If configuration problems occur, the setup utility may need to be run. Refer to T roubleshooting when a problem arises. T o activate the utility, press F2 during POST ( power-on self-tes t) when prompted at the bottom of screen. The default p arameter o f F12 Boot Menu is set to Disabled. T o change the boot device without entering BIOS Setup Utility, set the parameter to Enabled.http://elipseradiologiadigital.com/images/casio-ce-2350-manual.pdf T o chan ge the boot de vice without ente ring the BIOS S ETUP, press F12 during POST to enter the multi-boo t menu. Navigating the BIOS Utility 0 Six menu optio ns are: -. Information -? Main -? Security -? Boot -? Exit T o navigate through the following: -. Menu - use the left an d right arrow keys -. Item - use the up and down arrow ke ys -. Change param eter value - press F5 or F6. -? Exit - Press Esc -? Load default settings - press F9. Navigation keys appear at the bottom o f the screen. Read parameter help carefully whe n making changes to paramete r values. Parameter help is found in the Item S pecific Help area of the screen. NOTE: NOTE: System infor mation is subject to specif ic models. Actual values may dif fer by model.If Power-on Password aut hentication is enabled, the BIOS password can only be cleared by initiating th e Crisis Disk Recovery procedure. Refer to BIOS Recovery by Crisis Disk. Shows if password is requir ed during system boot Disabled or Enabled Item Specific Help Install or Change the password and the length of password must be less than one words.Setting a Password 0 Perform the following to set a new user or sup ervisor passwords: 1. Use the ? and ?? keys to highlight the Set Supervisor Password p arameter and pr ess Enter. The Set Supervisor Password dialog box appears (Figur e 2-4). NOTE: NOTE: T o change an existing password, refe r to Changing a Pas sword. Figure 2-4. Setting a Password: Set Supervisor Pass word 2. T y pe a new password in the Enter New Password field and press Enter.Removing a Password 0 Perform the following: 1. Use the ? and ? keys to highlight Set Supervisor Password and press Enter. The Set Supervisor Password dialog box appears (F igure 2-7): Figure 2-7. Removing a Password: Set Superv isor Password 2. T y pe current passwor d in Enter Current Password field and press Enter.Computer will set Supervisor Password p arameter to Clear. 4. Press F10 to save changes and exit the BIOS Setup U tility. Changing a Password 0 1. Use the ? and ?? keys to highlight Set Supervisor Password and press Enter. The Set Supervisor Password dialog box appears (F igure 2-8). Figure 2-8. Set Supervisor Password 2. T y pe current passwor d in Enter Current Password field and press Enter. 3. T y pe new password in Enter New Password field and pr ess Enter. 4. Retype ne w password in Confirm New Password field and press Enter. 5. If new password and confirm ne w password str ings match, The Setup Notice dialog is shown (Figure 2-9). If it is not shown, go to step 6. Figure 2-9. Setup Notice a. Press Enter to ret urn to the BIOS Setup Utility Security menu. b. The Supervisor Password parame ter is shown as Set. c. Press F10 to save changes an d exit BIOS Setup Utility. 6. If current password and new p assword strings do not match, the Setup Warning dialog is shown (Figure 2-10). If it is not shown, go to step 7. Figure 2-10. Changing a Password: Invalid Password Setup Warning Passwords do not match.If new password and conf irm new password strings do not m atch, the Setup Warning dialog is shown (Figure 2-1 1). Figure 2-1 1. Changing a Password: Passwords Do Not Match a. Press Enter to ret urn to the BIOS Setup Utility Security menu. b. The Supervisor Password parame ter is shown as Clear. c. T o try to change the password again, repeat steps 1 through 4. Bootable devices includ e the: -. USB diskette drives -. Onboard hard disk drive -. DVD drive in the module bay Use.Figure 2-12. BIOS Boot Item Specific Help Use or to select a device, then press to move it down the list, or to move it up the list.Figure 2-13. BIOS Exit T able 2-5 describes the p arameters in Figure 2- 13. T able 2-5. Exit Parameters Parameter Description Exit Saving Changes Exit BIOS utility and save setup item changes to system. Exit Discarding Changes Exit BIOS utility wit hout saving setup item changes to system. Load Setup Default s Load default values for all setup items. Discard Changes Load previous values of all setup items. Save Changes Save setup item changes to system. Item Specific Help Exit System Setup and save your changes to CMOS.New versions of system programs -. New features or options -. Restore a BIOS when it becomes corrupted. Use the Flash utility to update the system BIOS Flash ROM. NOTE: NOTE: If a Crisis Recovery Disc is not available, cr eate one before BIOS Flash utility is used. Refer to BIOS Recovery by Crisis Disk. NOTE: NOTE: Do not install memory relat ed drivers (XMS, EMS, DPMI) when BIOS Flash is used. NOTE: NOTE: Use AC adaptor power s upply when running BI OS Flash utility. If battery pack does not contain power to fin ish loading B IOS Flash, do not boot sys tem. Perform the following to run BIOS Flash. 1. Prepar e a bootab le USB HDD. 2. Copy Flash utilities to bootable USB HDD. 3. Boot system from bootab le USB HDD. NOTE: NOTE: BIOS Flash utility has auto execution function. See BIOS Recovery by Crisis Disk. Clearing HDD Passwords 0 This section provides details ab out removing an HDD password from the BIOS. If the HDD password is incorrectly entered three times, an error is generated. (Figu re 2-14). Figure 2-14. Password Error St atus Dialog T o reset the H DD password, perform the followi ngs: 1. Press Enter to continue. The Select Item dialog is shown. (Fig ure 2-15) Figure 2-15. Select Item Dialog 2. Use the ? and ?? keys to highlight Enter Unlock Password and press Enter. The Enter Unlock Password dialog is shown. (Figure 2-16). Figure 2-16. Enter Unlock Password Dialog NOTE: NOTE: A key code is generated fo r use with unlocking utility. Make note of this code. 3. On a separate, compatib le device, boot to DOS. Harddisk Security Primary Master TOSHLBA MK3252GSX Lock Select Item Enter Unlock Password System continue Enter Unlock Password (Key:54591747)? Example: UnlockHD 54591747 The command genera tes a password which can be used for unlockin g the HDD. Password: 41499389 Figure 2-17. Unlock Password 5. On original de vice, enter password in Enter Unlock Password dialog ( Figure 2-16 ). Clean BIOS Password 3. The on screen message shows functio n success or failure.T o use the Boot Sequence Selector, pe rform the following: 1. At a DOS prompt, enter bs and a boot sequence ID number.T o use the Boot Manager, perform the following: NOTE: NOTE: The F12 Boot Me nu option mu st be set to Enabled in the BIOS Setup Utility ’s Main screen. (refer to Main ) T o use the Boot Manager, perform the following steps: 1. S tart the computer. 2. Press F12 when prompted during POST procedur e. The Boot M anager dialog is shown. (Figure 2-21) Figure 2-21. Boot Manager Dialog 3. Use the ? and ?? keys to highligh t a boot device. 4. Press Enter to select an option and co ntinue the boot procedure. Using DMITools 0 The DMI (Desktop Manag ement Interf ace) T ool copies BIOS information to EEPROM (Electrically Erasable Program mable Read-Only Memory). Used in th e DMI pool for hardware management.Updating EEPROM 3. Reboot computer when pr ocess has completed.General Information 0 The product previews seen in the following proc edures may not repre sent the final product color or configuration. Cable paths and positi o ning may also diff er from the actual model. During the removal and inst alla tion of component s, make sure all available cable channels and clips are used and that the cables are installed in the same p osition. All prerequisites must be p erformed prior to performing main tenance. Recommended Equipment 0 The following tools are suggested to perfo rm maintenance on the noteboo k: -. Wrist groun ding strap and conducti ve mat -. Flat screwdr iver -. Philips screwdriver It provides information on wh at components ne ed to be removed and installed during servicing. Figure 3-1. Maintenance Flow Observe the order of the sequence to avoid damag e to any of the hardware components. Perform the f ollowing prior to performing any maintena nce procedur es: 1. Remove po wer from system and pe ripherals. 2. Remove a ll cables from s ystem. Figure 3-2. AC Adapter Outlet 3. Place system on a st able work su rface. Battery Pack Installation 0 1. Align batte ry cove r to slots (E) on lower cover and press to secur e. Figure 3-4. Lower Cover Slot s 2. Slide battery lock (A) into lock position (Figure 3-3).ID Size Quantity Screw T ype C M2.45x8 2 A B C D D DDD ID Size Quantity Screw T ype D M2.45x8 1 E M2x3 Ni 4 E E F A C Figure 3-1 1. DIMM Module 3. Slide module (A) from mainb oard connector (C). 4. Repeat steps 1 an d 2 for remaining DIMM modules. DIMM Module Installation 0 1. Slide modu le (A ) into mainboard connector (C). 2. Press down on DIMM module (A) until clips (B) lock in place. 3. Install lower logic door.Figure 3-12. WLAN Module WLAN Module Installation 0 1. Insert module (A) into mainboa rd connector (E). 2. Install and secure screw (D) to module. 3. Connect antenna cable (B) to WLAN module. 4. Install lower logic door. ID Size Quantity Screw T ype DM 2 x 3 1 A E B D F Figure 3-13. RTC Battery NOTE: NOTE: Follow local regulations for ba ttery disposal. RTC Battery Installation 0 1. Install battery ( A) into mainbo ard connector. 2. Press down to secure. 3. Install lower logic door. A B Figure 3-14. ODD Module 3. Remove two (2) screw s (D) from b racket. 4. Remove bracket (E). Figure 3-15. ODD Module B D E Figure 3-16. ODD Module 6. Press down on latch (H) to unlock bezel (F) from module (A) (Figur e 3-17). 7. Remove bezel (F) from module.Figure 3-18. Keyboard Locks 2. Unlock keyboard locks (Figure 3-19). Figure 3-19. Keyboard Locks CAUTION. Use caution when removing keyb oard. Keyboard is att ached to mainboard by Flexible Printed Circuits (FPC) cable.Figure 3-20. Keyboard 5. Remove ke yboard. Keyboard Installation 0 1. Place keyboard facedown onto p almrest (Figure 3-20). 2. Connect FPC cable (A) to mainboar d connector (B). 3. Place keyb oard faceup. 4. Align botto m edge of ke yboard with palmrest. 5. Install keyboard fla nges into slot s on upper cover (Figure 3-21). Figure 3-21. Keyboard 6. Press firmly to lock. 7. Install lower logic door. A B Figure 3-22. Lower Cover 2. Place computer on surface, face up. 3. Disconnect the following cables: -.Figure 3-23. Upper Cover 5. S tarting at ODD module slot (K), sep arate upper and lower covers. Figure 3-24. Upper Cover 6. Work along edges until up per and lower cover ar e separated.Figure 3-25. Upper Cover Upper Cover Installation 0 1. Align upper cove r to lower cover. 2. Press along edges to secure all latches. 3. Install and secure se ven (7) screws (J) to upper cover ( F igure 3-23 ). 4. Connect the following cables ( Figure 3-23 ): -.Figure 3-26. Power Board 3. Guide FFC cable (D) through upper cover opening ( E). Figure 3-27. Power Board FFC cable 4. Lif t board from upper cover. A C D E ID Size Quantity Screw T ype CM 2 x 3 1 Figure 3-28. Speakers Speakers Installation 0 1. Install speakers into upper cover. 2. Install and secu re following screws: -.ID Size Quantity Screw T ype CM 2 x 3 4 A B C C Figure 3-29. USB Module 4. Remove module (A) from lower cover. USB Module Installation 0 1. Align modu le (A) to pin s (E) on lower cover. 2. Install module (A). 3. Connect FFC cable (B) to mainboard con nector (D). 4. Install and secure screw (C) to m odule (A). 5. Install upper cover. ID Size Quantity Screw T ype CM 2 x 3 1 E E A B C D Figure 3-30. ODD Board ODD Board Installation 0 1. Align modu le (A) to pin s (E) on lower cover. 2. Install module (A). 3. Connect FFC cable (F) to mainboard conne ctor (C). 4. Install and secure screw (D) to m odule (A). 5. Install upper cover. ID Size Quantity Screw T ype D M2.5x5 1 A F C D E E L VDS cable (G) from mainboard connector (H) -. USB module cable (B) from mainboard con nector (D) -. ODD board cable (F) from mainboa rd connector (C) 2. Remove f o llowing screws: -.Mainboard A E G H B D F C J K P Figure 3-32. Mainboard CAUTION. DC-IN cable is connected to mainboard. Use cau tion when removin g mainboard. 4. Disconnect DC-IN cabl e (M) from mainboard conn ector (N) (Figure 3-33). Figure 3-33. DC-IN cable 5. Remove mainboard. M N CAUTION: ! Use caution when installing mainboard. Forced installation may damage lef t side connectors. 3. Install board by slid ing connectors at left sid e of board at a slight angle into slot s on left side of lower cover (Figure 3-34). Figure 3-34. Mainboard 4. Install and secure following screws ( Figure 3-31 ): -.L VDS cable (G) to mainboard connect o r (H) white marker (P) side up -. USB module cable (B) to mainboard conn ector (D) -. ODD board cable (F) to mainbo ard connector (C) 6. Install upper cover. ID Size Quantity Screw T ype J,K M2.5x5 4 Figure 3-35. F AN Module FAN Module Installation 0 1. Install module (A) on mainboard. 2. Secure module with adhesive strip(D). 3. Connect cable (B) to mainboa rd connector (C). 4. Install mainboar d. A D B C Thermal module may be hot. 1. Remove four (4) scr ews (B) from m odule (A). The following thermal grea se types are approved for use: -. N302 I-Co nnosseur -. Honeywell The following thermal p ads are appro ved for use: -. Eapus XR-PE 1. Remove all traces of thermal grease from CPU using a lint-free cloth or cotton swab and Isopropyl Alcohol, Acetone, o r other approved cleaning agent. 2. Apply small amo unt of thermal grease to cente r of CPU (B) ( Figure 3-37 ).Figure 3-37. CPU in Socket CPU Installation 0 1. Align CPU m arker (B) w ith socket ma rker (C) and install CPU in socket. 2. Lock CPU from socket by rot ating screw (D) right 180?. 3. Install thermal module. A B D C Figure 3-38. WLAN Module Cable A C WLAN cable (A) 4. Remove fou r (4) screw s (E) from lower cover. Figure 3-39. Cables and Screws on Lower Cover 5. Remove LCD module from lower cover. Figure 3-40. LCD Module A D E E WLAN cable (A) -? microphone cable (D ) 4. Place computer on surface, face side down. 5. Guide WLAN antenna cable ( A) through opening (C) on lower cover ( Figure 3-38 ). 6. Install mainboar d. ID Size Quantity Screw T ype E M2.5x5 4 Figure 3-41. LCD Bezel 2. Remove screws (A) from LC D bezel. 3. S tarting form bottom edge of bezel, pull bezel up and away fr om LCD cover. Figure 3-42. LCD Bezel A A CAUTION: ! Make sure cables do no t get caught underneath beze l, it may cause damage to cables. 2. Install and secure screws (A) to LCD cover ( Figure 3-42 ). 3. Install screw caps (A). 4. Install LCD module. ID Size Quantity Screw T ype E M2.5x6 Ni 2 Figure 3-43. Camera Module Camera Module Installation 0 1. Align and install camera module (A) with guide p ins (D) on L CD cover. 2. Install cable (B) to connector (C). 3. Install LCD Bezel. B C A D Figure 3-44. LCD Panel LCD Panel Installation 0 1. Align and install LCD panel (C) to guide pins (B) on LCD cover. 2. Install and secure fo ur (4 ) screws (A) to LCD cover. 3. Install LCD bezel. ID Size Quantity Screw T ype A M2.5x5 4 A A A A B B B B Figure 3-45. L VDS cable 2. Peel back adhesive (B) from L VDS cable (C) (Figure 3-46). 3. Disconnect LCDS cable (C) from p anel connector (D). Figure 3-46. L VDS Cable A C B D Figure 3-47. LCD Brackets 2. Remove bracket s from panel. A A B B Figure 3-48. LCD Brackets 3. Install LCD panel. ID Size Quantity Screw T ype AM 2 x 3 6 WLAN antenna cable (B) -.Figure 3-49. LCD Cover WLAN Antenna Cables and Microphone Set Installation 0 1. Install into cable guides an d on LCD cover following cables: -. WLAN antenna cable (B) -.NOTE: NOTE: The diagnostic test s are in tended for Acer pr od ucts only. Non-Acer produ cts, prototype cards, or modified options can give false er rors and invalid system responses. 1. Obtain as much det ailed information as po ssible about the problem. 2. If possible, verify the symptoms by re-creating the failure through diag nostic tests or repeating the operatio n that led to the problem. 3. Use T able 4-1 with the verified symptom to determine the solution. 4. If the Issue is still not resolved, Refer to Online Support Information. T able 4-1. T roubleshooting Symptoms (V erified) Power On Iss ues No Display Issues LCD Failure Keyboard Failure T ouchpad Failure Internal S peaker Failure Microphon e Failure ODD Failure USB Failure Wireless Function Failure 2 in 1 Card Fucntion Failure Thermal Unit Failure Other Functions Failure Intermittent Problems Undetermined Problems Plug the computer directly into a known serviceable el ectrical outlet. 4. Disconnect the power and open the casing to check the Thermal Unit (Refer to Thermal Unit Failure ) and fan airways ar e free of obstructions. 5. Remove all external and non-esse ntial hardwa re connected to the computer that a re not necessary to boot the computer to the failure point. 6. Remove any recently installed sof tware. 7. If the Issue is still not resolved, refer to Online Support Information.Reference Product pages for specific model p rocedures. 2. Make s ure the comp uter has pow er by checking for one of the following: -. Fans start up -? S t atus LEDs illuminate If no power, R efer to Power On Issues. 3. Drain stored power by removi ng the power cabl e and ba ttery.DDR R AM m odu l e Co nnec t i t well If the computer boot s co rrectly, add the devices one by one until the failure point is discovered. 9. Reseat the memory modules. 10. Remove the drives (Refer to Maintenance Flowchart ). 1 1. If the Issue is still not res olved, refer to Online Support Information. If extensive pixel damage is present (dif ferent colored spots in the same locations on the screen), the LCD is faulty and should be replac ed. (Refer to Maintenanc e Flowchart ) NOTE: NOTE: Make sure that the computer is n ot running on battery al one as this may reduce disp lay brightness. 2. Adjust the brightness to its hi ghest level. Refer to the User Manual for in structions on adjusting the settin gs. If the display is too dim at the highest brightnes s setting, the LCD is faulty and should be re placed. (Refer to Maintenance F lowchart ) 3. Check the display resolut ion is correctly configured: -. Readjust if necessary. 4. Roll back the video driver to the previou s version if updated. 5. Remove and reinstall th e video driver. 6. Check the Device Manager to determin e that: -. The device is prope rly installe d. There are no red Xs or yellow e xclamation marks -. There are no device conflict s -. No hardware is listed under Other Devices 7. If the Issue is still not resolved, refer to Online Support Information. 8. Run the Windows Memory Diagnostic from the oper ating system DVD and follow the on-screen pr ompts. 9. If the Issue is still not resolved, refer to Online Support Information. Control Panel ? System and Maintenance. System ? Device Manager. Check the Device Manag er to determine that: -. The device is properly installe d -. There are no red Xs or yellow exclamation ma rks -. There are no device conflict s -.Click the volume icon on the taskbar -. Drag the slider to 50. Confirm that the volume is not muted. -? Click Mixer to verify that other audio applications a re set to 50 and not mut ed. 6. Navigate to Sta r t. Control Panel ? Hardware and Sound ? Sound. Confirm that S p eakers are selecte d as the default audio de vice (green check mark ). NOTE: NOTE: If S peakers does not show, right-click on the Playback tab and se lect Show Disabled Devices (clear by default). 7. Select S peakers and click Configure to start Speaker Setup. Follow the on -screen prompts to configure the speakers. 8. Remove any recently insta lled hardware or software. 9. Restore system and file settings from a known go od date using System Restore. 10. If the issue is remains, repeat step 9, selecting an earlier time and date. 1 1. Reinstall th e Operating System. 12. If the Issue is still not res olved, refer to Online Support Information. Navigate to Sta rt. Control Panel ? Hardware and Sound. Sound and select the Recording tab. 2. Right click on the Recording tab a nd select Show Disabled Devices (clear by default). The microphone a ppears on the Recording tab. 3. Right click on the microphone and select Enable. 4. Select the microphone then click Prope rties. Select the Levels tab. 5. Increase the volume to th e maximum setting and click OK. 6. T est the microphone hardwa re: -. Select the microphone and click Configure. -? Select Set up microphone. -? Select the microphone t ype from the list and click Next. -? Follow the on-screen prompt s to complete the test. 7. If the Issue is still not resolved, refer to Online Support Information.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 o r jumps -.Access failure screen is shown -. The ODD is noisy Perform the following, one at a time: 1. Boot th e computer a nd retry the operation. 2. Use an differ ent disc. 3. Navigate to Sta r t ? Computer. Check that the ODD device is shown in the Devices with Removable Storage panel. 4. Navigate to Sta r t. Control Panel ? System and Maintenance. If a device has an exclamation mark, un install and reinst all the driver. 9. If the exclamation ma rker is not re moved from t he item in the lists, remove any re cently installed sof tware and retr ying the operation. Discs Do Not Play 0 If discs do n ot play when in serted in to the drive, per form the following: 1. Check that the disc is correctly seated in th e drive tr ay and that the label on the disc is visible. 2. Check that the media is clean and scr atch free. 3. T ry an alte rnate disc in th e drive. 4. Confirm that AutoPlay is enabled: -. Navigate to St a rt. Af ter Changes remaining reaches ze ro, the region cannot be cha nged even when Windows is reinstalled or the drive is moved to another co mputer. -? Navigate to St a rt. Control Panel ? System and Maintenance.Navigate to St a rt.