LCD is blank when booting with an external analog (VGA) monitor connected - ThinkPad


The boot display and BIOS Setup screens are blank when booted with an external analog(VGA) monitor connected

Affected configurations

Any of the following systems maybe affected by this symptom:

  • ThinkPad G41 with Intel Graphics, ThinkPad G50
  • ThinkPad X40, X41, X41 Tablet
  • ThinkPad T40 with an SXGA+ panel, T40p, T41 with an SXGA+ panel, T42 with an SXGA+ panel, T43 with Intel Graphics
  • ThinkPad R50e, R51 with Intel Graphics, R52 with Intel Graphics
  • ThinkPad R60 with Intel Graphics, R60e, R61 with Intel Graphics, R61e, R61i with Intel Graphics
  • ThinkPad T60 with Intel Graphics and an XGA panel, T61, T61p
  • \ThinkPad X60, X60s, X60 Tablet, X61, X61s, X61 Tablet
  • ThinkPad Z60m with Intel Graphics, Z60t, Z61e, Z61m with Intel Graphics , Z61t

Select ThinkPad LCD as Boot Display Device in BIOS Setup in order to activate ThinkPad LCD. The affected systems do not support simultaneous displays.

  • Alias ID: MIGR-73009
  • Document ID: HT004056
  • Last Updated :17 Jun 2014
  • © 2015 Lenovo