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manual ThinkCentre E93 Hardware Maintenance Manual
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E93
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Troubleshooting
Specifications
Install
Error codes
Wireless LAN problem
Problem determination tips
Diagnostics
USB Setup
Hard disk drive boot error
Replacing the battery
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ThinkCentre E93 Hardware Maintenance Manual
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Contents
ThinkCentre E93 Hardware Maintenance Manual
Second Edition November Copyright Lenovo
Contents
Appendix A. Notices 175
Important safety information
About this manual
ThinkCentre E93 Hardware Maintenance Manual
Electrical safety
Safety information
General safety
ThinkCentre E93 Hardware Maintenance Manual
Safety inspection guide
Handling electrostatic discharge-sensitive devices
To avoid a shock hazard
Safety notices multi-lingual translations
Grounding requirements
To Connect To Disconnect
≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs
Safety information
Perigo
Cuidado
Para Conectar Para Desconectar
Perigo
Safety information
ThinkCentre E93 Hardware Maintenance Manual
Safety information
Connexion Déconnexion
≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs
Vorsicht
Achtung
Arbeitsschutzrichtlinien beim Anheben der Maschine beachten
ThinkCentre E93 Hardware Maintenance Manual
Safety information
Pericolo
Per collegarsi Per scollegarsi
Prestare attenzione nel sollevare lapparecchiatura
ThinkCentre E93 Hardware Maintenance Manual
Peligro
No debe
Adopte procedimientos seguros al levantar el equipo
ThinkCentre E93 Hardware Maintenance Manual
For machine type 10AR
Specifications
General information
Lenovo programs
Accessing Lenovo programs on the Windows 7 operating system
For machine type 10AQ
Program Control Panel section Green text in Control Panel
Accessing Lenovo programs from Control Panel
Program Icon name
Lenovo Support Web site
Problem determination tips
General checkout
ThinkCentre E93 Hardware Maintenance Manual
Symptom Action
Troubleshooting and diagnostics
Basic troubleshooting
Troubleshooting procedure
Click Settings Click Control Panel
System Protection System Restore
Troubleshooting
Audio problems
No audio in Windows
Sound comes from one external speaker only
CD or DVD does not work
CD problems
No audio in DOS applications or games
DVD problems
Black screen instead of DVD video
DVD movie will not play
No audio or intermittent audio while playing DVD movie
Intermittent problems
Hard disk drive problems
Playback is very slow or choppy
Invalid disc or no disc found message
Keyboard, mouse, or pointing device problems
All or some keys on the keyboard do not work
Optical mouse
Mouse or pointing device does not work
Click Hardware and Sound Click Devices and Printers
Monitor problems
Wireless keyboard does not work
Pointer on the screen does not move smoothly with the mouse
Fingerprint reader does not work
Wrong characters appear on the screen
Image appears to be flickering
Networking problems
Ethernet problems
Image is discolored
Your computer cannot connect to the network
Adapter stops working for no apparent reason
Wake on LAN feature is not working
Click Start Control Panel Click Hardware and Sound
Option problems
Wireless LAN problem
Wireless WAN problem
Bluetooth problem
Performance and lockup problems
An option that was just installed does not work
An option that previously worked does not work now
Insufficient free hard disk drive space
Click Disk Cleanup
Click Programs Click Turn Windows features on or off
Click Disk Cleanup Click Clean up system files
Programs and Features area, click the Clean up button
Printer problems
Serial port problems
Insufficient memory
Click Defragment Now, then click Continue
Software problems
Software does not work as expected
USB problems
Diagnostics
Lenovo Solution Center
Using the Setup Utility program
Starting the Setup Utility program
Viewing and changing settings
Using passwords
Password considerations
Power-on password
Administrator password
Hard Disk Password
Erasing lost or forgotten passwords clearing Cmos
USB Setup
Enabling or disabling a device
Sata Controller
Enabling ErP compliance mode
Selecting a startup device
Selecting a temporary startup device
Selecting or changing the startup device sequence
ICE performance mode
ICE thermal alert
Exiting the Setup Utility program
Symptom-to-FRU Index
Hard disk drive boot error
Power supply problems
Beep symptoms
Post error codes
Beep Symptom FRU/Action
Post Error code Post Error message Description/Action
Short beeps and then 1 long beep Dram memory
No operating system found. Press any key
Miscellaneous error conditions
Message/Symptom FRU/Action
Undetermined problems
ThinkCentre E93 Hardware Maintenance Manual
Front connector, control, and indicator locations
Locations
Locating connectors on the rear of your computer
Rear connector locations
Connector Description
Locating major FRUs and CRUs
Locating major FRUs and CRUs
Number FRU description Self-service CRU Optional-service CRU
Looking up FRU information
Locations of the parts and connectors on the system board
Locating parts on the system board
Locating internal drives
Drive bay locations
Front connector, control, and indicator locations
12 13
Connector Description
Locating major FRUs and CRUs
System board Microprocessor
Locating parts on the system board
Locating internal drives
ThinkCentre E93 Hardware Maintenance Manual
Installing or replacing hardware
Installing external options
Replacing FRUs machine type 10AR
Handling static-sensitive devices
ThinkCentre E93 Hardware Maintenance Manual
Removing the computer cover
Removing the computer cover
Removing and reinstalling the front bezel
Removing the front bezel
Replacing the hard disk drive
What to do next
Removing the hard disk drive
Installing the hard disk drive
Replacing the solid-state drive
Removing the solid-state drive from the storage converter
Replacing the optical drive
Removing the optical drive
Installing the optical drive
Replacing the slim card reader
Removing the slim card reader bracket
Installing the new slim card reader into the bracket
Replacing the front audio and USB assembly
Removing the front audio and USB assembly
Replacing the power supply assembly
Removing the screws for the power supply assembly
Replacing the system fan
Removing the system fan
Replacing the heat sink and fan assembly
Installing the system fan
Removing the heat sink and fan assembly
Replacing the microprocessor
Accessing the microprocessor
Installing the microprocessor
Installing or replacing a PCI card
Removing the screw that secures the PCI card latch
Removing a PCI card
Installing a PCI card
Replacing the battery
Reinstalling the screw that secures the PCI card latch
Installing or replacing a memory module
Removing the old battery
Udimm Dimm
Replacing the system board
Opening the retaining clips
Removing the eight screws that secure the system board
Installing the socket cover
Replacing the Wi-Fi units
Removing the Wi-Fi adapter card
Disconnecting the Bluetooth cable
Removing the Wi-Fi card module
Removing the Wi-Fi antenna cables
Installing the Wi-Fi units
Removing the Wi-Fi card module
Installing the Wi-Fi card module
Installing or removing the rear Wi-Fi antenna
Installing the rear Wi-Fi antenna
Removing the rear Wi-Fi antenna
Installing the rear Wi-Fi antenna
Installing or removing the front Wi-Fi antenna
Installing the front Wi-Fi antenna
Connect the front antenna cable to the Wi-Fi card module
Completing the parts replacement
Removing the front Wi-Fi antenna
Reinstalling the computer cover
ThinkCentre E93 Hardware Maintenance Manual
Replacing FRUs machine type 10AQ
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Removing the computer cover
Replacing FRUs machine type 10AQ
Accessing the system board components and drives
Pivoting the drive bay assembly upward
Removing the heat sink fan duct
Removing the heat sink and fan assembly
Installing the heat sink fan duct
Pivoting the drive bay assembly
Replacing the solid-state drive in the hard disk drive bay
Removing the solid-state drive from the storage converter
Removing the solid-state drive bracket
Installing the solid-state drive into the bracket
Replacing the system fan
Removing the system fan
Replacing the optical drive
Slide the optical drive out of the front of the computer
Installing a new optical drive
Installing the screws that secure the new optical drive
Removing the slim card reader bracket
Installing the new slim card reader into the bracket
Replacing the front audio and USB assembly
Replacing the power supply assembly
Removing the heat sink fan duct
Installing the power supply assembly
Replacing the microprocessor
Accessing the microprocessor
Installing the microprocessor
Installing or replacing a PCI card
Installing a PCI card
Replacing the battery
Installing or replacing a memory module
Removing a memory module
Replacing the system board
Removing the eight screws that secure the system board
Installing the socket cover
Replacing the Wi-Fi units
Removing the Wi-Fi card module
Installing the Wi-Fi units
Connecting the Wi-Fi antenna cables
Installing or removing the rear Wi-Fi antenna
Removing the rear Wi-Fi antenna
Installing or removing the front Wi-Fi antenna
Removing the front Wi-Fi antenna
Completing the parts replacement
Reinstalling the computer cover
Additional service information
Updating flashing the Bios from a disc
Click Download Drivers & Software Click Use Quick Path
Updating flashing the Bios from your operating system
Recovering from a POST/BIOS update failure
Power management
Automatic configuration and power interface Acpi Bios
Automatic Power-on features
Click Hardware and Sound Power Options
Appendix A. Notices
175
Television output notice
European conformance CE mark Trademarks
Index
177
Administrator Considerations
