(In fact, it went into sleep mode twice while writing this post.) The most critical issue on my week old L520 is that it goes into sleep mode seemingly randomly even while I'm doing work. Lenovo ThinkPad L R/SL :: L520 - Goes To Sleep Mode Randomly While Doing Work May 28, 2011

Dell Inspiron N5010 :: Touchpad Suddenly Stops Working But Right Click Option Continues To Work.

Dell XPS 15 :: Touchpad Left Button Only Work If Pressed 2 To 3 Times And Battery Failure Message.

Lenovo Y40 P/Y/Z Series :: ELan Touchpad Two Finger Right Click Doesn't Work In Windows 8.1 64bit.

Lenovo Yoga Flex :: Mouse And Touchpad Continue To Work In Tablet Mode On S1.

Lenovo P/Y/Z Series :: Y510P Touchpad Doesn't Work - Cursor Not Even Display On Screen.

Dell Inspiron 15R :: Touchpad Is Disabled But Orange Light Indicator Doesn't Work.

Dell Latitude 3440 :: Touchpad Doesn't Work After Switching Users.

Dell Inspiron N5110 :: Touchpad Doesn't Work When Computer Is Plugged In.

Dell Inspiron 1318 :: How To Make Touchpad Scroll Function Work.

Dell XPS M1330 :: Left And Right Click Touchpad Buttons No Longer Work.

Dell Inspiron 15z :: Touchpad Does Not Work But Buttons Are Working Fine.

Acer Aspire ES1-512-C5YW :: Cannot Get The Scroll Function To Work On Touchpad.

Dell Inspiron N1510 :: Touchpad / Keyboard Do Not Work - Error 24.

Dell Inspiron 3537 :: Touchpad Doesn't Work After Suspension.

HP/Compaq :: Dv5t - Touchpad Will Stop Working And Then Continue To Work.

Acer Aspire E :: Touchpad Does Not Work On Power Up.

Lenovo P/Y/Z Series :: Z710 Touchpad Hot Key Doesn't Work.

Dell Inspiron 15r :: Touchpad Doesn't Work While A Key Is Pressed.

Dell Latitude E6430 :: Touchpad Doesn't Work.

Dell Inspiron N5010 :: Touchpad Scrolling Does Not Work?.

Lenovo 11e E/Edge :: ThinkPad AMD Touchpad Sometimes Work And Sometime Won't.

HP 14-d008au OS/Software :: Touchpad Driver Won't Work?.

Dell XPS 12 :: Touchpad On UltraBook Will Not Work.

HP/Compaq :: Synaptic Touchpad Does Not Work.

Acer Aspire Switch 10 :: Dock Connection - Keyboard Will Not Work After Sleep Mode.

Dell Latitude E6410 :: Sleep And Hibernate Functions Not Work Well - Power Management?.

Acer Aspire E5-521-219J :: Touchpad Looses Gestures And Scrolling After Sleep?.

Lenovo ThinkPad L R/SL :: L520 - Goes To Sleep Mode Randomly While Doing Work.

After a restart, the touchpad works properly again. It does not happen always but still often enough to be annoying. Sometimes when the laptop wakes up from sleep, the touchpad stops responding completely. I have VGN-Z620D running Vista, and there is a problem with the touchpad. Sony :: Touchpad Does Not Work After Sleep Jul 13, 2009

Mouse not working after sleep