Default Htc one x Touch Screen problem

Htc one x touch screen stops randomly ( i rooted it long time ago and flashed ARHD 33.1 , was working perfectly , like for a whole month , and suddenly yesterday it stopped working.. ) Help ?

I'm gonna try doing the RUU thing and get it back to stock.. recommendations ?

Thanks

Here's the info

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(bootloader) version: 0.5a
(bootloader) version-bootloader: 1.72.0000
(bootloader) version-baseband: 5.1204.167.31
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 4.18.401.2
(bootloader) serialno: ***
(bootloader) imei: ***
(bootloader) product: endeavoru
(bootloader) platform: HBOOT-T30S
(bootloader) modelid: PJ4610000
(bootloader) cidnum: HTC__001
Could you give me link for RUU ?