Asus ZB551KL Training & Trouble Shouting Manual page 41

Touch Can't Work (1)
• Check Touch Panel and Touch connector
are corrected connected
• VREG_LVS1_1P8V without ~1.8V
- Check U1101
• VREG_L19_2P85V without ~2.8V
- Check U1101
TP12003 (TS_RST_N) keep at LOW
- Check TS_RST_N short to GND ?