HP Presario CQ43-100 Resolving Start Up and No Boot Problems Checklist
HP Presario CQ43-100 Manual
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- HP Presario CQ43-100 | Resolving Start Up and No Boot Problems Checklist - Page 1
notebook. Connect a different battery and disconnect AC power adapter, then restart notebook. If there is no power available at the notebook, contact HP HP for technical assistance. There are no other user-initiated troubleshooting problem is the built-in LCD display or graphics newer notebooks, - HP Presario CQ43-100 | Resolving Start Up and No Boot Problems Checklist - Page 2
the computer starts into Windows normally, you should install the latest updates and patches to prevent other start-up problems. Run HP Support Assistant from www.hp.com/go/helpandsupport for latest updates. Run Windows Update from www.update.microsoft.com for latest Microsoft updates. Run the
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Resolving Start Up and No Boot Problems Checklist
If computer does not start normally, use this checklist to identify specific symptoms and take the
recommended corrective actions to resolve the problems.
Perform a Hard Reset
Do these actions first to clear all temporary setting before troubleshooting the problem.
1.
Disconnect
all peripheral devices and remove all USB devices and media cards.
2.
Disconnect
the AC power adapter,
remove
the battery, and then
press and hold
the
power button for at least 15 seconds.
3.
Reconnect
the AC power adapter (do not connect the battery),
press
the Power button
and
look
for the LEDs to blink or glow, and
listen
for the sound of a disk drive and fan
turning.
Perform each recommended corrective action and then attempt to restart the computer.
Symptom 1: LED lights do not glow, display is black, no fan or drive sounds are
heard, and computer does not start
If LEDs do not glow when AC power adapter is attached and power button is pressed, there is no
power available to the notebook.
Check AC adapter wiring and power connection to the notebook.
Connect a different AC power adapter and remove battery. then restart notebook.
Connect a different battery and disconnect AC power adapter, then restart notebook.
If there is no power available at the notebook, contact HP to purchase a replacement
battery or AC adapter.
Symptom 2: LEDs blink or computer beeps but does not start
Blinking LEDs or beep tones indicate a hardware failure during the pre-start up testing.
Count number of blinking LEDs or beeping tones to help with diagnostics testing.
Contact HP for technical assistance. There are no other user-initiated troubleshooting
actions until error codes are resolved.
Symptom 3: LEDs glow, fan noise may be heard briefly, display remains black, and
computer fails to startup or boot
Usually occurs if a component is installed incorrectly, or there is a device conflict or failure.
Connect an external monitor to check if the problem is the built-in LCD display or graphics
card.
Remove all CD/DVDs, SD cards, USB devices, peripherals and do a
Hard Reset
.
If memory or hard drive components were replaced, reinstall original components.
Remove memory modules and replace one-at-a-time.
Remove and reseat hard drive.
If possible, turn on power, press
F10
to enter
BIOS
mode, and run
Memory Test
and
Hard Drive Test
.
On newer notebooks, turn on power, press
Esc
to enter
UEFI
mode, and run
Memory
Test
and
Hard Drive Test
.
If possible, turn on power, press
F8
to enter
Windows Advanced Boot Options
, and
select
Repair Computer
option, or enter
Safe Mode
and run
Memory Diagnostics
.