Can’t Entry Isp Mode - Acer H236HL Service Manual

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6 . 6 Troubleshooting.
6.6.1 Can't Entry ISP Mode!!
(1) Check the cables and ISP JIG are connected fluently.
(2) Click the usb driver installed correct.
(3) AC off the monitor for a while and retry it.
(4) Change ISP JIG or cable.
(5) Change PC.