ThinkPad X301 Service and Troubleshooting Guide - Lenovo

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Computer screen problems Problem: Incorrect characters appear on the screen. Solution: 1. Make sure that the operating system and the application program are installed correctly. 2. If they are installed and configured correctly, have the computer serviced. Problem: Missing, discolored, or bright dots appear on the screen every time I turn on my computer. Solution: This is an intrinsic characteristic of the TFT technology. Your computer’s display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. Problem: The screen is blank. Solution: 1. Do the following: v Press Fn+F7 to bring up the image. Note: If you use the Fn+F7 key combination to apply a presentation scheme, press Fn+F7 at least three times in three seconds. v If you are using the AC adapter, or using the battery, and the battery status indicator is on (is green), press Fn+Home to make the screen brighter. v If the sleep (standby) status indicator is on (is green), press Fn to resume from the sleep (standby) mode. 2. If the problem persists, do the Solution in the following Problem. 24 ThinkPad ® X301 Service and Troubleshooting Guide
Problem: The screen is unreadable or distorted. Solution: Make sure that: v The screen resolution and color quality are correctly set. v The display device driver is installed correctly. v The monitor type is correct. To check these settings, do as follows: For Windows Vista: 1. Right-click on the desktop, click Personalize, then click Display Settings. 2. Check whether the screen resolution and color quality are correctly set. 3. Click Advanced Settings. 4. Click the Adapter tab. 5. Make sure that the correct device driver name is shown in the adapter information window. Note: The device driver name depends on the video chip that has been installed on your computer. 6. Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the ″Device status″ box and make sure that the device is working properly. If not, click the Troubleshoot button. 7. Click the Monitor tab. 8. Make sure that the information is correct. 9. Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the ″Device status″ box and make sure the device is working properly. If not, click the Troubleshoot button. Chapter 3. Solving computer problems 25
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Page 4 and 5: Note Before using this information
Page 6 and 7: European Union EMC Directive confor
Page 8 and 9: Protect the cables from being damag
Page 10 and 11: Regulatory Notice supplements this
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Page 14 and 15: Note: Not all such appliances cause
Page 16 and 17: 3. Squeeze excess liquid from the s
Page 18 and 19: How can I contact the Customer Supp
Page 20 and 21: 5. If the diagnostic program return
Page 22 and 23: Message Solution 021x: Keyboard err
Page 24 and 25: Message Solution The power-on passw
Page 26 and 27: If one of the following error code
Page 28 and 29: Memory problems Problem: Your memor
Page 30 and 31: Sleep (standby) or hibernation prob
Page 34 and 35: Solution (continued): For Windows X
Page 36 and 37: Hard disk drive (HDD) or solid stat
Page 38 and 39: Problem: When you start up your com
Page 40 and 41: Restoring the factory contents The
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Page 44 and 45: 4. Slide and hold the battery latch
Page 46 and 47: Upgrading the hard disk drive or so
Page 48 and 49: 6. Insert the drive into the drive
Page 50 and 51: 5. Loosen the screws ▌1▐ that h
Page 52 and 53: 8. Reinstall the cover of the memor
Page 54 and 55: 3. Pull out the second battery as s
Page 58 and 59: v Lenovo hardware repair - If the p
Page 60 and 61: Country or Region Telephone Number
Page 62 and 63: Country or Region Telephone Number
Page 66 and 67: Types of warranty service 1. Custom
Page 70 and 71: v The Customer Support Center. For
Page 72 and 73: Specifications Wireless features v
Page 76 and 77: information contained in this docum
Page 78 and 79: Standard EN 55022. The limits for C
Page 80 and 81: ENERGY STAR model information ENERG
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7. Clear the Allow this device to b
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troubleshooting 12 AC adapter 27 ba
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ThinkPad X301 Service and Troubleshooting Guide - Lenovo

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