Difference between revisions of "Known Problems"

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(added more known problems)
(removed problems that were solved a long time ago, added new problems)
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*[[Problem with Pixel Error|Problem with dead pixels or subpixels on TFT display panels]] (any model with a TFT panel)
 
*[[Problem with Pixel Error|Problem with dead pixels or subpixels on TFT display panels]] (any model with a TFT panel)
 
*[[Problem with broken inverter]] (any model with an inverter)
 
*[[Problem with broken inverter]] (any model with an inverter)
*[[Problem with garbled screen]] (A3x, T30, T4x, R32, R40, R5x)
 
 
*[[Problem with key and trackpoint markings on the display]]
 
*[[Problem with key and trackpoint markings on the display]]
 
*[[Problem with red display shadow|Problem with slow response rate of red subpixels on TFT display panels]]
 
*[[Problem with red display shadow|Problem with slow response rate of red subpixels on TFT display panels]]
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*[https://forum.thinkpads.com/viewtopic.php?t=101400 Problem with dead audio codec chip] (A31, A31p)
 
*[https://forum.thinkpads.com/viewtopic.php?t=101400 Problem with dead audio codec chip] (A31, A31p)
 
*[[Problem with failing memory slot|Problem with loose solder joints on a RAM slot]] (T20, T21, T30, X3x)
 
*[[Problem with failing memory slot|Problem with loose solder joints on a RAM slot]] (T20, T21, T30, X3x)
 +
*[[Problem with garbled screen|Problem with corrupted/garbled graphics caused by loose/fractured solder joints on GPU chip]] (A3x, T30, T4x, R32, R40, R5x)
 
*[[Problem with USB 2.0|Problem with loose southbridge chips]] (T4x, R5x, X40)
 
*[[Problem with USB 2.0|Problem with loose southbridge chips]] (T4x, R5x, X40)
 
*[https://forum.thinkpads.com/viewtopic.php?t=83881 Problem with dead southbridge caused by inadequate short-circuit protection] (X40)
 
*[https://forum.thinkpads.com/viewtopic.php?t=83881 Problem with dead southbridge caused by inadequate short-circuit protection] (X40)
 +
*[https://forum.thinkpads.com/viewtopic.php?t=93849 Problem with faulty VRAM chips] (T60p, T60, R60, R60i, Z61m, Z61p)
 
*[https://forum.thinkpads.com/viewtopic.php?t=100554 Problem with faulty NVIDIA GPU caused by inadequate solder bump material] (T61p, T61, R61, R61i)
 
*[https://forum.thinkpads.com/viewtopic.php?t=100554 Problem with faulty NVIDIA GPU caused by inadequate solder bump material] (T61p, T61, R61, R61i)
 
*[https://forum.thinkpads.com/viewtopic.php?t=75571 Problem with dead VGA port] (X61, X61s, X61 Tablet)
 
*[https://forum.thinkpads.com/viewtopic.php?t=75571 Problem with dead VGA port] (X61, X61s, X61 Tablet)
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===Power-related===
 
===Power-related===
 
*[[Problem with ThinkPad 600 batteries|Problem with premature battery death]] (600 series)
 
*[[Problem with ThinkPad 600 batteries|Problem with premature battery death]] (600 series)
 +
*[[Problem with high pitch noises]] (some models)
 
*[[Damage in 56W AC-Adapter, plastic housing melted|Problem with damaged 56 W AC adapters]]
 
*[[Damage in 56W AC-Adapter, plastic housing melted|Problem with damaged 56 W AC adapters]]
*[[High-pitch noise from AC-Adapter]]
+
 
 +
===External-related===
 +
*[https://forum.thinkpads.com/viewtopic.php?f=28&t=42006 Problem with cracks forming on palmrest or keyboard bezel] (T2x)
 +
*Problem with hairline cracks forming nearby hinges (R3x)
 +
*[[Problem with Bending / Twisting|Problem with malformed casing caused by bending/twisting]] (T4x, X4x)
 +
*[[Problem with hot surfaces]]
 +
*[https://forum.thinkpads.com/viewtopic.php?t=105764 Problem with broken left hinge] (SLx00 series)
 +
*[https://forum.thinkpads.com/viewtopic.php?t=120094 Problem with stiff left hinge caused by broken magnesium frame in display lid] (W500, T500)
 +
*[http://forum.notebookreview.com/threads/thinkpads-are-so-tough-anyone-have-this-happen.630506/#post-8140167 Problem with hairline cracks forming on palmrest] (T400s, T410s)
  
 
==Software Problems==
 
==Software Problems==
 
===Display-related===
 
===Display-related===
*[[Problem with unusable console | Console unusable]] (all models with an S3 Savage display controller)
+
*[[Problem with DVI throughput|Problem with DVI throughput on port replicators and docks]] <tt>(models from 2000-2004)</tt>
*[[Problem with DVI throughput | DVI throughput on port replicators and docks]] <tt>(models from 2000-2004)</tt>
+
*[[Problems with fglrx |Problem with ATI proprietary fglrx display driver]] (all models with an ATI display controller)
*[[Problems with fglrx | Problems with ATI proprietary fglrx display driver]] (all models with an ATI display controller)
+
*[[Problem with video related system lockup|Problem with system lockups related to video adapter]] (all models with an S3 display controller)
*[https://bugs.freedesktop.org/show_bug.cgi?id=2187 Radeon 7500 "DynamicClocks" randomly hangs] (T4x, Xorg-X11 bug report)
+
*[[Problem with video output switching]]
*[[Problem with black X | Unmovable square black X in X]] (T2x)
+
*[[Problem with LCD brightness buttons|Problem with LCD brightness controls not working or causes crashes]] (some models with ACPI)
*[[Problem with video related system lockup | System Lockups related to video adapter]] (T2x)
+
*[[Problem with video related system lockup II | System Lockups related to video adapter T42]] (T42, T42p)
+
*[[Problem with video blanks after lid close and open | Video blanks after closing and opening lid]] (X41)
+
*[[Problem with ati driver in xorg 6.9.x | System lockup soon after starting xorg 6.9.x ]] (T4x)
+
*[[Problem with video output switching | Video output switching]]
+
*[[Problem with LCD brightness buttons | Video brightness up keys don't work or cause crashes]]
+
  
 
===Storage-related===
 
===Storage-related===
*[[Problem with APS harddisk parking|APS harddisk parking]] (all models with APS)
+
*[[Problem with APS harddisk parking]] (all models with APS)
*[[Problem with too large harddrive|BIOS hangs with harddrive sized over 8G]] (560)
+
*[[Problem with too large harddrive]] (560)
*[[Problem with non-ThinkPad hard disks|Non-ThinkPad hard disks]] (T43, T43p, R52, X41)
+
*[[Problem with non-ThinkPad hard disks]] (T43, T43p, R52, X41)
*[[How to put SATA in old ThinkPads#over-validated input|SATA performance limited to UDMA 2]] (all models with a I/O controller capable of only IDE)
+
*[[How to put SATA in old ThinkPads#over-validated input|Problem with SATA performance limited to UDMA 2]] (all models with a I/O controller capable of only IDE)
  
 
===Network-related===
 
===Network-related===
*[[Problem with 3Com 10/100 Ethernet card not being recognized|3Com 10/100 Ethernet card not recognized]] (all models with this card)
+
*[[Problem with error 01C9 - More than one Ethernet devices]] (A31, A31p, T23, T30, X22, X23, X24, X30)
*[[Cisco Aironet Wireless 802.11b]] fails to work with certain firmware versions
+
*[[Problem with e1000: EEPROM Checksum Is Not Valid]] (any model with the 82573L LAN controller)
*[[Problem with error 01C9 - More than one Ethernet devices | Error 01C9: More than one Ethernet Devices are found (Atheros WLAN MiniPCI)]] (A31, A31p, T23, T30, X22, X23, X24, X30)
+
*[[Problem with 3945ABG: Internal wifi cannot associate with AP]] (any model with the 3945ABG WLAN card)
*[[Problem with e1000: EEPROM Checksum Is Not Valid]] <tt>(T60, X60, may be others)</tt>
+
*[[Need to disable V90/V92/56K modem speed]] (any model with a Conexant SmartV.92 Softmodem DSP)
*[[Problem with 3945ABG: Internal wifi cannot associate with AP]] <tt>(T60, probably others)</tt>
+
*[[Need to disable V90/V92/56K modem speed]] ([[IBM_Integrated_Bluetooth_III_with_56K_Modem_(BMDC-2)|BMDC-2]] on X40)
+
  
 
===Power-related===
 
===Power-related===
*[[Problems with ACPI suspend-to-ram|ACPI suspend-to-ram]] <tt>(ACPI sleep troubles)</tt>
+
*[[Problems with ACPI suspend-to-ram]] (ACPI sleep troubles)
**[[Problem with display remaining black after resume|Blank display after resume]] <tt>(various models)</tt>
+
**[[Problem with display remaining black after resume]] (various models)
**[[Problem with high power drain in ACPI sleep | High power drain in ACPI sleep]] <tt>(various models)</tt>
+
**[[Problem with high power drain in ACPI sleep]] (various models)
**[[Problem with LCD backlight remaining on during ACPI sleep | LCD backlight remaining on during ACPI sleep]] <tt>(various models)</tt>
+
**[[Problem with LCD backlight remaining on during ACPI sleep]] (various models)
*[[Problem with fan noise | Fan noise]] <tt>(TP T4x/p, TP R5x/p)</tt>
+
*[[Problem with fan noise|Problem with fan noise]] (some models)
*[[Problem with checking battery status | Checking battery status causes mouse to jerk around]] <tt>(R31)</tt>
+
*[[Problem with checking battery status|Problem with checking battery status causes mouse to jerk around]] (R31)
*[[Battery drains despite seemingly being charged]] <tt>(A/C adapter issues)</tt>
+
*[[Problem with CPU frequency scaling|Problem with CPU locked to lowest frequency under AC power only]] (any model with SpeedStep or Cool'n'Quiet)
*[[Problem with high pitch noises | High pitch noises]] <tt>(several models)</tt>
+
*[[Problem with system turning itself on|Problem with immediate restarts from suspend, hibernate, and halt]] (some models)
*[[Problem with CPU frequency scaling | CPU frequency scaling locks up when on AC power only]] <tt>(several models)</tt>
+
*[[Problem with system turning itself on | Immediate restarts from suspend, hibernate, and halt]] <tt>(several models)</tt>
+
  
 
===Audio-related===
 
===Audio-related===
*[[Problem with broken sound on ThinkPad 600 | Broken sound on ThinkPad 600/E]] <tt>(TP 600/E/X, 770Z)</tt>
+
*[[Problem with audio clipping|Problem with audio clipping caused by excessive sound amplification]] (any model with an AD1981A or AD1981B AC'97 codec)
*[[Problem with audio jacks | Audio jacks not working properly]] <tt>(TP T43)</tt>
+
*[[Problem with ALSA audio output | No audio heard with kernel 2.6.11+/ALSA]] <tt>(TP T43, T40)</tt>
+
*[[Problem with audio clipping|Audio clipping]] <tt>(TP T43, R52)</tt>
+
*[[Problem with no sound on ThinkPad R60e | No Sound on ThinkPad R60e and T60]] <tt>(R60e, T60)</tt>
+
  
 
===BIOS/UEFI-related===
 
===BIOS/UEFI-related===
 
*[[Problem with unauthorized MiniPCI network card|"Unauthorized" MiniPCI Wireless Network card error (Error 1802)]] (models with MiniPCI, MiniPCIe, and M.2 slots)
 
*[[Problem with unauthorized MiniPCI network card|"Unauthorized" MiniPCI Wireless Network card error (Error 1802)]] (models with MiniPCI, MiniPCIe, and M.2 slots)
*[[Problem with lm-sensors]] (570E, 770X/Z, 600E/X, 240, X20)
 
*[[Problem with disabled VT]] (X60, X60s, X60 Tablet, Z61t, Z61e, Z61m, Z61p)
 
 
*[[Embedded Controller Firmware#Firmware_issues|Firmware issues]]
 
*[[Embedded Controller Firmware#Firmware_issues|Firmware issues]]
  
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*[[Problems accessing cdrom drive]] (T400)
 
*[[Problems accessing cdrom drive]] (T400)
 
*[[Problem with Overheating then reboot since Ubuntu 11.10]] (T500)
 
*[[Problem with Overheating then reboot since Ubuntu 11.10]] (T500)
 
==Casing Problems==
 
*[https://forum.thinkpads.com/viewtopic.php?f=28&t=42006 Problem with cracks forming on palmrest or keyboard bezel] (T2x)
 
*Problem with hairline cracks forming nearby hinges (R3x)
 
*[[Problem with Bending / Twisting|Problem with malformed casing caused by bending/twisting]] (T4x, X4x)
 
*[[Problem with hot surfaces]]
 
*[https://forum.thinkpads.com/viewtopic.php?t=105764 Problem with broken left hinge] (SLx00 series)
 
*[http://forum.notebookreview.com/threads/thinkpads-are-so-tough-anyone-have-this-happen.630506/#post-8140167 Problem with hairline cracks forming on palmrest] (T400s, T410s)
 

Revision as of 11:30, 7 January 2020

This page provides information regarding known problems with certain ThinkPad models.

A complete fix or a work-around for a problem, may not be possible in some circumstances.

Hardware Problems

Display-related

Storage-related

Motherboard-related

Power-related

External-related

Software Problems

Display-related

Storage-related

Network-related

Power-related

Audio-related

BIOS/UEFI-related

External-related