IBM 2274, User Manual

Page 1: ...User Guide...

Page 2: ...ypographical errors Changes are periodically made to the information herein these changes will be made in later editions IBM may make improvements and or changes in the product s and or program s at a...

Page 3: ...rom problems 31 Quick step guide 32 Some simple questions to ask first 37 Solving hardware problems 47 Solving software problems 50 Solving monitor problems 53 Solving audio multimedia and modem probl...

Page 4: ...Adding and removing hardware 101 Preparing to work with the computer 102 Removing and replacing the cover 104 Adding and removing drives 108 Adding and removing adapter cards 111 Identifying system b...

Page 5: ...Chapter 1 Safety Notices...

Page 6: ...2...

Page 7: ...he information may also warn you about possible problems you could encounter Attention This symbol is used when there is important information that can help you avoid damage to the hardware or softwar...

Page 8: ...to click or double click Bold font is also used in headings table titles and numbered lists Example Example font is used to show text that you need to type from your keyboard Italic Italic font is us...

Page 9: ...y connected to the building wiring serious electrical shock could result Continued protection against electrical shock For continued protection against the risk of electrical shock follow these steps...

Page 10: ...connect your computer 1 Turn off the computer and any external devices such as a monitor or printer that have their own power switches 2 Attach a signal cable to each external device such as a monitor...

Page 11: ...m and CD ROM DVD ROM drive ensures that during normal operation there is no exposure to laser radiation above Class 1 level Please note that the CD ROM DVD ROM drive does not contain any user adjustab...

Page 12: ...than those specified herein might result in hazardous radiation exposure Removing the covers of the CD ROM DVD ROM drive could result in exposure to hazardous laser radiation There are no serviceable...

Page 13: ...que sur un socle de prise de courant pr sentant la tension ad quate Ne branchez le cordon d alimentation sur le socle de prise de courant qu apr s avoir connect tout autre cordon la machine Inverseme...

Page 14: ...cordons d alimentation sur des socles de prise de courant correctement mis la terre 5 Mettez l ordinateur sous tension ainsi que tout p riph rique connect disposant d un interrupteur d alimentation D...

Page 15: ...de DVD ROM Mais ces unit s sont galement vendues s par ment en tant qu options L unit de CD ROM DVD ROM est un appareil laser Aux Etat Unis l unit de CD ROM DVD ROM est certifi e conforme aux normes...

Page 16: ...er un risque d exposition au rayon laser Pour toute intervention faites appel du personnel qualifi Certaines unit s de CD ROM DVD ROM peuvent contenir une diode laser de classe 3A ou 3B Tenez compte d...

Page 17: ...Chapter 2 Ergonomics...

Page 18: ...14...

Page 19: ...hout stretching or leaning over to one side The system unit is usually kept on the floor under or beside your desk Be sure to place it in an area that will not block the space you need to put your leg...

Page 20: ...a window consider using curtains or blinds to minimize glare from sunlight Also be sure to keep the monitor perpendicular to the windows to reduce glare when the curtains or blinds are open Try to av...

Page 21: ...with a wristrest and you choose to use it do not rest your hands on the wristrest or desktop while you are typing Instead use the wristrest only when resting If you prefer not to use the wristrest yo...

Page 22: ...18 Arranging a comfortable and productive work area...

Page 23: ...Chapter 3 Using your IBM PC...

Page 24: ...20...

Page 25: ...rowser Some of the Rapid Access Buttons are preset to support important functions on your computer Mute Volume and the CD DVD controls these cannot be changed There are seven Rapid Access Buttons acro...

Page 26: ...Keyboard Customization screens Using the IBM ScrollPointTM II mouse The ScrollPoint II mouse has the following controls Primary mouse button Use this button to select or start a program or menu item Q...

Page 27: ...ct Settings and then click Control Panel 3 Double click Mouse The Mouse Properties window opens 4 Click on the applicable tab and follow the instructions on the screen To learn more about the ScrollPo...

Page 28: ...program is preinstalled on your computer and is accessible from the Windows desktop It provides the following Start up This selection provides topics about setting up your computer How do I This sele...

Page 29: ...The titles vary by model and by country or region To locate the programs installed on your hard disk do the following 1 From the Windows desktop click Start 2 Select Programs You see a listing of prog...

Page 30: ...he AutoPlay feature will always start AutoPlay enabled CDs or DVDs If there are no AutoPlay enabled programs on a DVD video disc the AutoPlay feature will start the DVD video Updating programs IBM Upd...

Page 31: ...Chapter 4 Troubleshooting...

Page 32: ...28...

Page 33: ...ls of the IBM Personal Computer The computer you purchased may not have some of the hardware discussed in these sections If your computer did not come with the hardware described some of the troublesh...

Page 34: ...ecovering from problems 4 When you see the Main Menu use the arrow keys to select System Utilities 5 On the System Utilities menu select Run Diagnostics 6 From the menu bar select Diagnostics and sele...

Page 35: ...e problems on page 47 No did not add new hardware or software Refer to Some simple questions to ask first on page 32 Remove the new hardware and restart the computer There may be a problem with the ne...

Page 36: ...be available for all computers 3 Make sure the system unit and monitor cables are correctly and securely connected Make sure the system unit and monitor power cords are plugged into electrical outlets...

Page 37: ...ctly the system will beep several times in a 2 long beeps 3 short beeps sequence Reinstall the memory modules If you hear a beep sequence other than the 2 long 3 short beeps or if the memory modules a...

Page 38: ...scrolling blinking or flashing You may have selected a monitor setting that your monitor does not support Follow these steps to reconfigure your monitor a Restart the computer If necessary turn off t...

Page 39: ...e computer again Your computer may take a little longer than usual to restart The colors displayed are wrong Make sure the monitor cable is correctly and securely connected to the system unit The Setu...

Page 40: ...y connected to the new video adapter card and b the BIOS is configured to use the adapter card as the primary video adapter For information on using the Setup Utility to view or modify BIOS settings s...

Page 41: ...enabled press the On Off button on the front of the system unit 2 Make sure that the system unit and monitor power cords are securely plugged into electrical outlets 3 Make sure that the cables are c...

Page 42: ...e drive correctly 3 Make sure the CD is clean and not scratched 4 Try to use a diskette CD DVD or Zip disk that you know is good If it works the first diskette CD DVD or Zip disk may be damaged If you...

Page 43: ...emoving hardware 7 Make sure the correct diskette drive is selected and the diskette drive is enabled in the Setup Utility For information on using the Setup Utility see Starting the Setup Utility on...

Page 44: ...hed to the back of the hard disk drive in the system unit 4 Insert the Product Recovery and Diagnostics CD ROM into the CD or DVD drive and press Ctrl Alt Delete Follow the instructions on the screen...

Page 45: ...s window click the Device Manager tab 5 Double click the CD ROM or DVD ROM list item and then double click the listed CD ROM option 6 In the Properties window click the Settings tab 7 Under Options cl...

Page 46: ...apid Access Customization Keyboard program to help diagnose problems with Rapid Access Buttons To access the program and start the help system a From the Windows desktop click Start b Select Settings...

Page 47: ...e from the system unit c Turn the mouse upside down Unlock the retainer on the bottom of the mouse by turning it counterclockwise On some models you may have to turn it clockwise instead Now turn the...

Page 48: ...4 Make sure no one is using the telephone while you are communicating with another computer 5 If you have call waiting make sure it is disabled 6 If some communications programs work but others do no...

Page 49: ...ame with the operating system 6 Make sure the paper and the cartridge containing the print material ink ribbon or toner are loaded correctly 7 Turn off the printer and computer and wait 15 seconds The...

Page 50: ...on page 74 11If you have other devices connected to the parallel port disconnect them and connect only the printer Try to print again 12Avoid using a printer cable that is more than 6 feet long For a...

Page 51: ...specified time Windows periodically accesses the hard disk drive for memory swapping and this activity resets the timer Windows might access the hard disk drive for a short time after you last touched...

Page 52: ...setting 2 Enter the Setup Utility and select Power Management Ensure that the Power Switch 4 sec parameter is set to Standby The phone rings and the computer comes out of Standby but a fax isn t rece...

Page 53: ...re and software required to receive voice messages You pressed the system On Off button but the computer has not turned off Press the On Off button on the front of the system unit and hold it for 4 se...

Page 54: ...the online help files that came with the operating system 4 Make sure the monitor cable is correctly and securely connected to the system unit 5 If another monitor is available connect it to your sys...

Page 55: ...it If the problem is corrected something may be wrong with your monitor Flickering or unsteady picture on monitor screen 1 Select display settings for a lower resolution fewer colors or a higher refre...

Page 56: ...and securely connected to the system unit 3 Make sure the system unit and monitor power cords are securely plugged into electrical outlets 4 Make sure the system and monitor are turned on The power l...

Page 57: ...sound in Windows 1 Check your computer s volume controls See the Help files that came with the operating system for information about setting volume 2 Make sure your speakers are connected properly I...

Page 58: ...ke sure that the joystick or gamepad is properly connected to the computer 2 You may need to recalibrate the joystick or gamepad You can recalibrate a joystick or gamepad in the Joystick section of th...

Page 59: ...ther you must include the proper modem initialization string For most programs the initialization string AT F will work Baud rate 115 200 Kbps or the maximum setting offered by your communications sof...

Page 60: ...ake sure the telephone line is correctly connected to your computer For instructions on connecting your computer to the telephone network refer to the Setup Poster 2 Make sure no one is using the tele...

Page 61: ...rs 2 Make sure that the disc surface is clean and not scratched 3 Check all cable connections to and from the speakers Playback is very slow or choppy 1 Disable any background programs such as AntiVir...

Page 62: ...off the Non Maskable Interrupt NMI and proceed to boot the system 2 Press any other key to reboot the system 111 I O Parity Error Load the Setup default settings and reboot the system For more informa...

Page 63: ...in this table and do the corresponding action 2 Enter the Setup Utility and change the required settings For information on the Setup Utility options see the Setup Utility help on page 71 164 Memory s...

Page 64: ...be defective 303 PS 2 Keyboard Interface Error 1 Plug in the keyboard properly and reboot the system 2 If the error still shows after doing option 1 change your keyboard It may be defective 648 Flopp...

Page 65: ...e power cable is properly plugged in 4 If the error still shows after doing steps 1 to 3 the diskette drive may be defective 662 Onboard Floppy Drive Conflict s 1 Remove all the add on cards in the sy...

Page 66: ...al port I O address and IRQ or disable it Change the add on card serial port I O address and IRQ then reboot the system For information on using the Setup Utility see Starting the Setup Utility on pag...

Page 67: ...e Setup Utility on page 74 1780 IDE Primary Channel Master Drive Error 1 Make sure the IDE signal cable is properly connected to the drive and to the system board 2 Make sure the drive power cable is...

Page 68: ...DE Secondary Channel Master Drive Error 1 Make sure the IDE signal cable is properly connected to the drive and to the system board 2 Make sure the drive power cable is properly connected 3 Enter the...

Page 69: ...nP ISA Card s Disabled 1 Enter the Setup Utility and set the Reset Resource Assignments to Yes then reboot the system 2 If the error message reappears determine which onboard device is least necessary...

Page 70: ...Memory Resource Conflict s 1 Enter the Setup Utility and set the Reset Resource Assignments to Yes then reboot the system For information on using the Setup Utility see Starting the Setup Utility on...

Page 71: ...For information on using the Setup Utility see Starting the Setup Utility on page 74 8601 8603 PS 2 Pointing Device Interface Error 1 Make sure that the mouse is plugged in the PS 2 mouse port then re...

Page 72: ...uration files you should copy the original directory structure When you reinstall the files you must put them into the original directory structure If you do not the computer may not work properly To...

Page 73: ...e information about selecting startup devices in the Setup Utility see the Setup Utility help Reinstalling device drivers When you reinstall device drivers you are changing the current configuration o...

Page 74: ...ce subfolder contains an inf file you can use the Add New Hardware program In the Add New Hardware program when prompted for the device driver you want to install select Have Disk and Browse Then sele...

Page 75: ...Chapter 5 Setup Utility...

Page 76: ...72...

Page 77: ...ing the Setup Utility The Setup Utility lets you view and change configuration settings for hardware installed in your computer You might need to use the Setup Utility if you upgrade the hardware in y...

Page 78: ...se they contain information about the system Other options let you control how your computer operates For example you can use the Setup Utility to Create or change a power on password Reduce energy co...

Page 79: ...tart button on your Windows desktop 3 Click the Shut Down option 4 From the Shut Down Windows window click Restart the computer and then click the Yes button 5 When the IBM logo screen appears press t...

Page 80: ...ears Configuration Setup Utility Select Option Enter Select F10 Save Move F1 General Help ESC Exit System Summary Product Data Devices and I O Ports Start Options Date and Time System Security Advance...

Page 81: ...Keys Function Use these arrow keys to highlight an option on the menu Press the Enter key to choose the option Use these arrow keys to make a selection and change an option s setting On some menus yo...

Page 82: ...setting of a particular parameter highlight the setting then use the left or right arrow key to change the setting Refer to the Setup Utility help for details on the configurable parameters in each me...

Page 83: ...p responding Exiting Setup Press Esc to return to the main menu when you have finished viewing settings and making changes From this location you can exit Setup and save your changes or exit without s...

Page 84: ...80 Using the Setup Utility...

Page 85: ...Chapter 6 HelpWare support and services...

Page 86: ...82...

Page 87: ...rranty period expires HelpWare will still be there to support you with services available for purchase Read on to find out when and what methods of support are available at no additional charge and wh...

Page 88: ...the instructions in the Troubleshooting section on page 27 Just match the description or error codes with your question and follow the instructions to solve the problem Online documentation Your comp...

Page 89: ...tor you must first install the program from the Software Selections CD ROM that came with your computer IBM Update Connector This program allows you to connect to the IBM PC HelpCenter to receive upda...

Page 90: ...ut about many other things For the United States Canada Australia and New Zealand you can visit the IBM PC support Internet site at this URL http www ibm com pc For other countries use the following U...

Page 91: ...provide a wide variety of services like electronic mail newsgroups and special forums These companies provide IBM forums where customers can receive technical support and information about IBM product...

Page 92: ...arges for some calls and not for others This section contains information about which calls you will be charged for and which calls you will not You will be required to register your computer to recei...

Page 93: ...computer needs to be serviced please provide the servicer with the IBM Product Recovery and Diagnostics CD ROM that came with your computer This will help the servicer to complete the required servic...

Page 94: ...file created in the Windows version is automatically saved in C PCDR detailed txt For information on how to use the PC Doctor diagnostics please refer to the Troubleshooting with the Product Recovery...

Page 95: ...e a major credit card number for support You will not be billed if it is determined that your call is covered under the Limited Warranty Please be at your computer when you call If your country is not...

Page 96: ...bourg 298 977 5058 8am midnight CET New Zealand 0800 446 149 9am 9pm EST Australia 365 days a year The Netherlands 020 504 0530 8am midnight CET Norway 2 305 0304 8am midnight CET Portugal 01 791 5147...

Page 97: ...dditional services see How and when do I purchase additional support How and when do I purchase additional support Purchasing additional HelpWare services During and after the warranty period for your...

Page 98: ...s not available in Australia or New Zealand Single incident The single incident option allows you to pay a flat fee for each individual problem you need to resolve United States For installing and con...

Page 99: ...ncident pack In the United States Canada Australia and New Zealand the 10 incident pack allows you to purchase a block of problem resolutions at a discount from the single incident price The 10 incide...

Page 100: ...tomated fax system In the United States 1 Call 1 800 426 3395 2 Select option 1 3 Select option 1 4 Enter one of the following document numbers For a brochure enter 11690 and press the key For a suppo...

Page 101: ...requested but it will not be billed if you return the defective part to IBM within 30 days of your receipt of the new part If the part is not returned within 30 days your card will be charged the ful...

Page 102: ...98 International W arranty Service not available...

Page 103: ...Chapter 7 Adding and removing hardware...

Page 104: ...100...

Page 105: ...off the computer and any attached devices that have their own power switches 2 Unplug all power cables from electrical outlets 3 Disconnect all communication cables such as modem or network cables fro...

Page 106: ...Removing and replacing the cover Removing and replacing the cover Removing the cover 1 Remove the four screws that secure the cover 2 Slide back the cover about an inch and pull up to remove it comple...

Page 107: ...orking inside the system unit periodically touch an unpainted metal portion of the chassis to minimize the chance of damage to the components by static electricity Replacing the cover 1 Set down the c...

Page 108: ...rives Adding and removing drives To install a drive in the upper drive bay 1 Turn off the computer 2 Remove the system cover 3 Open the front cover 4 Push back and remove the plastic bay cover 5 Inser...

Page 109: ...Adding and removing drives 105 Adding and removing hardware 6 Align the screw holes and secure the drive with four screws 7 Connect the power and signal cables...

Page 110: ...y reverse the steps for installing a drive in that bay To install a drive in the lower drive bay 1 Disconnect the cables from the existing drive 2 Remove the 3 5 inch drive bay from the housing by pre...

Page 111: ...the drive bay carefully insert a 3 5 inch disk drive then secure it with four screws on the sides 4 Reinstall the drive bay into the housing as in the following figure a Align the drive bay with the...

Page 112: ...plug the other end of the cord into a properly grounded electrical outlet To remove the drive To remove a drive from a specific bay reverse the steps for installing a drive in that bay Adding and rem...

Page 113: ...Adding and removing hardware 3 Remove the screw that secures the adapter card slot cover Then remove the slot cover 4 Align and insert the adapter card into the adapter card connector 5 Secure the car...

Page 114: ...he system unit and plug the other end of the cord into a properly grounded electrical outlet If after you turn on your computer you receive a message asking you to insert the Windows CD to search for...

Page 115: ...em comes with a system board that looks like the figure shown below This figure is followed by a list of labeled components and their corresponding functions Number Description Number Description BT1...

Page 116: ...68 MB of system memory into these sockets CN2 PS 2 keyboard and mouse connectors CN14 Diskette drive connector CN3 USB connectors CN15 Front panel USB connector CN4 Parallel and serial connectors CN16...

Page 117: ...ate the system memory socket where you want to install the memory module 4 Press back the clips on both ends of the socket to open them 5 Insert the memory module by lining up the notches in the base...

Page 118: ...ables to the back of the system unit Then reconnect the power cord to the back of the system unit and plug the other end of the cord into a properly grounded electrical outlet To remove a DIMM To remo...

Page 119: ...1 4 Firmly press the center tab to release the battery 5 Lift the battery from the holder with your fingers 6 Slide the new battery into the holder with the side up and then press it down until it cli...

Page 120: ...r computer you will probably get a message that your CMOS has changed Use the Setup Utility to select Load Default Setting See Starting the Setup Utility on page 74 for information on how to enter Set...

Page 121: ...Appendix A Warranties and Notices...

Page 122: ...118...

Page 123: ...United States Puerto Rico and Canada Part 1 General Terms This Statement of Limited Warranty includes Part 1 General Terms and Part 2 Country Unique Terms The terms of Part 2 may replace or modify th...

Page 124: ...exchange service for the Machine without charge under the type of service designated for the Machine and will manage and install engineering changes that apply to the Machine If a Machine does not fu...

Page 125: ...JURISDICTION TO JURISDICTION SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF EXPRESS OR IMPLIED WARRANTIES SO THE ABOVE EXCLUSION OR LIMITATION MAY NOT APPLY TO YOU IN THAT EVENT SUCH W...

Page 126: ...uivalent to the item replaced The replacement assumes the warranty service status of the replaced item Any feature conversion or upgrade IBM or your reseller services must be installed on a Machine wh...

Page 127: ...r reseller is responsible for any of your confidential proprietary or personal information contained in a Machine which you return to IBM or your reseller for any reason You should remove all such inf...

Page 128: ...ECORDS OR DATA 3 SPECIAL INCIDENTAL OR INDIRECT DAMAGES OR FOR ANY ECONOMIC CONSEQUENTIAL DAMAGES INCLUDING LOST PROFITS OR SAVINGS EVEN IF IBM ITS SUPPLIERS OR YOUR RESELLER IS INFORMED OF THEIR POSS...

Page 129: ...f Installation The date on your sales receipt is the Date of Installation unless IBM or your reseller informs you otherwise During the warranty period IBM or your reseller if approved by IBM to provid...

Page 130: ...PLIED WARRANTIES OR CONDITIONS OR MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE THESE WARRANTIES GIVE YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM JURISDICTION T...

Page 131: ...l removed items are genuine and unaltered The replacement may not be new but will be in good working order and at least functionally equivalent to the item replaced The replacement assumes the warrant...

Page 132: ...transit in those cases where IBM is responsible for the transportation charges Neither IBM nor your reseller is responsible for any of your confidential proprietary or personal information contained...

Page 133: ...e collectively responsible UNDER NO CIRCUMSTANCES IS IBM LIABLE FOR ANY OF THE FOLLOWING 1 THIRD PARTY CLAIM AGAINST YOU FOR DAMAGES OTHER THAN THOSE UNDER THE FIRST ITEM LISTED ABOVE 2 LOSS OF OR DAM...

Page 134: ...ade Practices Act 1974 IBM s liability is limited to the repair or replacement of the goods or the supply of equivalent goods Where that condition or warranty relates to right to sell quiet possession...

Page 135: ...ions in this Section are subject to the limitations in that Act EUROPE MIDDLE EAST AFRICA EMEA EUROPE MIDDLE EAST AFRICA EMEA EUROPE MIDDLE EAST AFRICA EMEA EUROPE MIDDLE EAST AFRICA EMEA The followin...

Page 136: ...Republic of Macedonia FYROM Moldova Poland Romania Russia Slovak Republic Slovenia and Ukraine The following terms apply to the country specified EGYPT Limitation of liability The following replaces...

Page 137: ...ill be at IBM s expense Production status The following paragraph replaces this Section Each Machine is newly manufactured It may incorporate in addition to new parts re used parts as well Limitation...

Page 138: ...licability of suppliers and resellers unchanged The following paragraph is added at the end of this Section IBM s entire liability and your sole remedy whether in contract or in tort in respect of any...

Page 139: ...aces this Section IBM fulfils customer orders for IBM Machines as newly manufactured in accordance with IBM s production standards UNITED KINGDOM Limitation of liability The following replaces items 1...

Page 140: ...se available in all countries in which IBM operates Any reference to an IBM product program or service is not intended to state or imply that only IBM s product program or service may be used Any func...

Page 141: ...EVENT WILL IBM BE LIABLE TO ANY PARTY FOR ANY DIRECT INDIRECT SPECIAL OR OTHER CONSEQUENTIAL DAMAGES FOR ANY USE OF ANY OTHER WEB SITE INCLUDING WITHOUT LIMITATION ANY LOST PROFITS BUSINESS INTERRUPTI...

Page 142: ...d telephone company requirements If your IBM PC has a built in modem the following Federal Communications Commission FCC and telephone company requirements apply 1 The modem adapter card is located in...

Page 143: ...laint with the FCC 4 Your telephone company may make changes in its facilities equipment operations or procedures that could affect the proper operation of your equipment If they do you may be given a...

Page 144: ...sed in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equip...

Page 145: ...received including interference that may cause undesired operation Responsible Party International Business Machines Corporation New Orchard Road Armonk NY 10504 Telephone 1 919 543 2193 This Class B...

Page 146: ...Notices IBM cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non recommended modification of the product including the fitting of non IBM option ca...

Page 147: ...les risques d lectrocution 9 unit de DVD ROM 11 12 unit s de CD ROM et de DVD ROM 11 12 contact IBM HelpCenter 88 D Diagnosing 29 DVD 25 solving problems 57 E ergonomics 15 17 chair 16 keyboard positi...

Page 148: ...nitor positioning 16 solving problems 50 multimedia solving problems 53 56 N Norton AntiVirus 26 notices 136 O online information and software handling CDs and DVDs 25 installing programs 25 P power b...

Page 149: ...CC and telephone company 138 FCC statement 140 replacement parts safety information 5 S safety information 5 8 CD ROM and DVD ROM drive 7 8 connecting your computer 6 DVD ROM drive 7 8 grounding your...

Page 150: ...m error 58 59 162 equipment configuration error 59 164 memory size changed 59 1755 hard disk drive s write protected 6 2 1762 onboard secondary IDE channel I O address conflict s 6 3 178 IDE primary s...

Page 151: ...43 printer 45 monitor problems 50 52 adjustments 52 blank screen 52 cursor only displayed 5 2 discolored screen 50 flicker 51 fonts 51 no cursor 52 poor picture shape 50 unreadable screen 52 unsteady...

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