Known Problems

Information on known problems with certain ThinkPad models.

Display Problems

• Console unusable (X22)
• Dead pixels on TFT displays (all models)
• DVI throughput on port replicators and docks (models from 2000-2004)
• Garbled Screen
• Key and Trackpoint markings on display
• Red shadow on display (TP T41p)
• Red tinted display (TP 23)
• Unmovable square black X in X (TP T2x)
• System Lockups related to video adapter (TP T2x)
• X/Radeon makes Fn+F7 not function (Xorg-X11 bug report)
• Radeon 7500 "DynamicClocks" randomly hangs (TP T4x, Xorg-X11 bug report)

Network Problems

• 3Com 10/100 Ethernet card not recognized (models with that card)
• Cisco Aironet Wireless 802.11b fails to work with certain firmware versions

Power Management, AC-adapter or Battery Problems

• 600 series Battery dying prematurely (TP 600/E/X)
• AC-Adapter damaged, plastic housing melted (240, 390, i and s models)
• Blank display after resume (various models)
• Fan noise (TP T4x/p, TP R5x/p)
• High power drain in ACPI sleep (various models)
• LCD backlight remaining on during ACPI sleep (various models)

Sound Problems

• Broken sound on ThinkPad 600/E (TP 600/E/X, 770Z)

Misc Problems

• Casing malformed by bending/twising (X41)
• Dock USB Ports (T30)
• Clicking Hard Drive (T4x models and other models which ship with Hitachi's 5k80 hard drive)
• High pitch noises (several models)
• lm_sensors kills ThinkPads (TP 570E, 770X/Z, 600E/X, 240, X20)
• USB 2.0 problems (T4x)
• SATA and Linux (T43, X41, R52)