Member Avatar for shuv4u

I have a HP540 laptop. The laptop works fine when it is in safe mode. However when it is switched on in normal mode, it works for a minute and then it gets switched off. I have removed unnecessary softwares by going into msconfig>startup. It did not helped. Tried to UPDATE the BIOS, but could not find the right version for my system. My correct BIOS version is F.02 released in 2008. I have alternatively formatted my complete laptop hard disk; But that has also not helped. Please help me. Suggest, what more can be done.

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Short, practical diagnostic guidance that complements the software-focused suggestions from @rubuvman and by shifting attention to hardware, drivers, and low-level diagnostics.

Recommended diagnostic flow:

  1. Power and charging: run the machine from AC only (and separately from battery only) using a known-good charger if possible; inspect the DC jack and adapter for looseness, heat, or frayed wiring.
  2. Cooling and thermal checks: examine vents and the fan; remove dust, verify the fan spins freely, and watch for sudden fan stop or loud bearings. Thermal shutoffs are common when a laptop is healthy in a minimal environment but fails under normal load.
  3. Memory and storage isolation: reseat RAM modules, test one stick at a time, and run a dedicated memory tester for several passes. Also run SMART/self-tests on the drive or boot from a USB diagnostic tool to see whether the shutdown happens outside the installed OS.
  4. Driver and OS isolation (low-level): booting an independent environment (live USB) rules out corrupt installed drivers or OS services. If the system stays up under that environment, focus on clean, vendor-provided chipset/graphics drivers and a minimal driver set.
  5. Manufacturer diagnostics and logs: run the vendor’s hardware diagnostics from pre-boot and review kernel/power error entries and crash dumps in the system event logs for consistent clues.

Notes and cautions: power-delivery faults, failing capacitors, or GPU/motherboard defects can produce the exact symptom described and usually require component repair or replacement. Static-safety and careful handling are important when opening the case. Useful artifacts for later troubleshooting are persistent error codes in pre-boot diagnostics, repeated SMART errors, memtest failures, and Event Viewer “kernel-power” style entries. If those tests are inconclusive, escalation to a service technician or authorized repair is often the practical next step.

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Member Avatar for rubberman

Safe mode disables some services (optional ones mostly) that may be causing problems when running in normal mode. FWIW, you do NOT want to always run in safe mode. Have you looked in add/remove programs in the control panel? Also, what version of Windows are you running, and have you tried booting the recovery partition and use that to fix what it may think is wrong?

Member Avatar for CimmerianX

msconfig is the correct method. Use it and disable all services, reboot and test. Turn on one chuck of services, reboot and test.... rinse and repeat until your laptop shuts down. when it does, the culprit service or program is located in the last chuck you enabled Continue whittling down.

Also, use malwarebytes and run a full scan as well.

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