Dell Y727H Laptop User Manual


 
25
Using Support Tools
Enter system setup and ensure that the boot •
sequence information is correct (see the
Service Manual on the Dell Support website
at support.dell.com).
No timer tick interrupt — A chip on the system
board might be malfunctioning or motherboard
failure (see the Service Manual on the Dell
Support website at support.dell.com).
USB over current error — Disconnect the USB
device. Your USB device needs more power for
it to function properly. Use an external power
source to connect the USB device, or if your
device has two USB cables, connect both of
them.
NOTICE - Hard Drive SELF MONITORING SYSTEM
has reported that a parameter has exceeded its
normal operating range. Dell recommends that
you back up your data regularly. A parameter
out of range may or may not indicate a potential
hard drive problem — S.M.A.R.T error, possible
hard disk drive failure. (see “Contacting Dell” on
page 34 for assistance).
Hardware Troubleshooter
If a device is either not detected during
the operating system setup or is detected
but incorrectly configured, you can use the
Hardware Troubleshooter to resolve the
incompatibility.
To start the Hardware Troubleshooter:
Click 1. Start
Help and Support.
Type 2. hardware troubleshooter in
the search field and press <Enter> to start
the search.
In the search results, select the option that 3.
best describes the problem and follow the
remaining troubleshooting steps.